Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM1000000028AC2
Model Year Start: 2023 Model: GR Corolla Prod Date Range: [11/2022 - 08/2023]
Title: NETWORKING: CAN COMMUNICATION SYSTEM (for Gasoline Model): Check Bus 5 Line; 2023 MY Corolla Corolla Hatchback GR Corolla [11/2022 - 08/2023]

Check Bus 5 Line

DESCRIPTION

Symptom

Trouble Area

There are ECUs or sensors that display a communication stop on the bus diagnostic screen. Or, there are ECUs or sensors that display communication stop history on the "Detail" screen.

  • CAN main bus line, CAN branch line or connector
  • Central gateway ECU (network gateway ECU)
  • Air conditioning amplifier assembly
  • Certification ECU (smart key ECU assembly)

    (w/ Smart Key System)

  • Main body ECU (multiplex network body ECU)
  • No. 12 CAN junction connector

    (except G16E-GTS)

  • No. 17 CAN junction connector

WIRING DIAGRAM

except G16E-GTS
for G16E-GTS

CAUTION / NOTICE / HINT

CAUTION:

When performing the confirmation driving pattern, obey all speed limits and traffic laws.

NOTICE:

  • Because the order of diagnosis is important to allow correct diagnosis, make sure to begin troubleshooting using How to Proceed with Troubleshooting when CAN communication system related DTCs are output.

    Click here 2023 MY Corolla Corolla Hatchback GR Corolla [11/2022 - 08/2023]; NETWORKING: CAN COMMUNICATION SYSTEM (for Gasoline Model): HOW TO PROCEED WITH TROUBLESHOOTING

  • Before measuring the resistance of the CAN bus, turn the ignition switch off and leave the vehicle for 1 minute or more without operating the key or any switches, or opening or closing the doors. After that, disconnect the cable from the negative (-) battery terminal and leave the vehicle for 1 minute or more before measuring the resistance.
  • After the ignition switch is turned off, there may be a waiting time before disconnecting the negative (-) battery terminal.

    Click here 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 -        ]; SETUP: WHEN DISCONNECTING OR RECONNECTING BATTERY TERMINAL: BEFORE DISCONNECTING BATTERY

  • When disconnecting and reconnecting the battery.

    HINT:

    When disconnecting and reconnecting the battery, there is an automatic learning function that completes learning when the respective system is used.

    Click here 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [11/2022 -        ]; SETUP: WHEN DISCONNECTING OR RECONNECTING BATTERY TERMINAL: AUTOMATIC LEARNING CHART

  • Some parts must be initialized and set when replacing or removing and installing parts.

    Click here 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [11/2022 - 03/2023]; SETUP: WHEN REPLACING OR REMOVING/INSTALLING PARTS: WORK PROCEDURE 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [03/2023 - 08/2023]; SETUP: WHEN REPLACING OR REMOVING/INSTALLING PARTS: WORK PROCEDURE

  • After performing repairs, perform the DTC check procedure and confirm that the DTCs are not output again.

    DTC check procedure: Turn the ignition switch to ON and wait for 1 minute or more. Then operate the suspected malfunctioning system and drive the vehicle at 60 km/h (37 mph) or more for 5 minutes or more.

  • After the repair, perform the CAN bus check and check that all the ECUs and sensors connected to the CAN communication system are displayed as normal.

    Click here 2023 MY Corolla Corolla Hatchback GR Corolla [11/2022 - 03/2023]; NETWORKING: CAN COMMUNICATION SYSTEM (for Gasoline Model): DIAGNOSIS SYSTEM 2023 MY Corolla Corolla Hatchback GR Corolla [03/2023 - 08/2023]; NETWORKING: CAN COMMUNICATION SYSTEM (for Gasoline Model): DIAGNOSIS SYSTEM

  • Before replacing the main body ECU (multiplex network body ECU) or certification ECU (smart key ECU assembly), refer to Registration.

    Click here 2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [11/2022 -        ]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, Gasoline Model): REGISTRATION

HINT:

  • Before disconnecting related connectors for inspection, push in on each connector body to check that the connector is not loose or disconnected.
  • When a connector is disconnected, check that the terminals and connector body are not cracked, deformed or corroded.

PROCEDURE

1.

CHECK FOR OPEN IN CAN MAIN BUS LINES

(a) Disconnect the cable from the negative (-) battery terminal.

(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

I173-7 (CA5H) - I173-8 (CA5L)

Cable disconnected from negative (-) battery terminal

Below 70 Ω

*a

Component with harness connected

(Central Gateway ECU (Network Gateway ECU))

NG

GO TO STEP 65

OK

2.

CHECK FOR SHORT IN CAN BUS LINES

(a) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

I173-7 (CA5H) - I173-8 (CA5L)

Cable disconnected from negative (-) battery terminal

54 Ω or higher

*a

Component with harness connected

(Central Gateway ECU (Network Gateway ECU))

NG

GO TO STEP 45

OK

3.

CHECK FOR SHORT TO +B IN CAN BUS LINE

(a) Measure the resistance according to the value(s) in the table below.

*1

DLC3

-

-

*a

Component with harness connected

(Central Gateway ECU (Network Gateway ECU))

-

-

Standard Resistance:

Tester Connection

Condition

Specified Condition

I173-7 (CA5H) - I26-16 (BAT)

Cable disconnected from negative (-) battery terminal

6 kΩ or higher

I173-8 (CA5L) - I26-16 (BAT)

NG

GO TO STEP 25

OK

4.

CHECK FOR SHORT TO GND IN CAN BUS LINE

(a) Measure the resistance according to the value(s) in the table below.

*1

DLC3

-

-

*a

Component with harness connected

(Central Gateway ECU (Network Gateway ECU))

-

-

Standard Resistance:

Tester Connection

Condition

Specified Condition

I173-7 (CA5H) - I26-4 (CG)

Cable disconnected from negative (-) battery terminal

200 Ω or higher

I173-8 (CA5L) - I26-4 (CG)

OK

REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)

NG

5.

CHECK VEHICLE TYPE

(a) Check vehicle type.

Result

Proceed to

except G16E-GTS

A

for G16E-GTS

B

B

GO TO STEP 17

A

6.

CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 17 CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU))

(a) Disconnect the I216 No. 17 CAN junction connector.

(b) Measure the resistance according to the value(s) in the table below.

*1

DLC3

-

-

*a

Front view of wire harness connector

(to No. 17 CAN Junction Connector)

*b

to Central Gateway ECU (Network Gateway ECU)

Standard Resistance:

Tester Connection

Condition

Specified Condition

I216-3 (CANH) - I26-4 (CG)

Cable disconnected from negative (-) battery terminal

200 Ω or higher

I216-7 (CANL) - I26-4 (CG)

NG

GO TO STEP 11

OK

7.

CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 17 CAN JUNCTION CONNECTOR - NO. 12 CAN JUNCTION CONNECTOR)

(a) Measure the resistance according to the value(s) in the table below.

*1

DLC3

-

-

*a

Front view of wire harness connector

(to No. 17 CAN Junction Connector)

*b

to No. 12 CAN Junction Connector

Standard Resistance:

Tester Connection

Condition

Specified Condition

I216-4 (CANH) - I26-4 (CG)

Cable disconnected from negative (-) battery terminal

200 Ω or higher

I216-8 (CANL) - I26-4 (CG)

NG

GO TO STEP 14

OK

8.

CHECK VEHICLE TYPE

(a) Check vehicle type.

Result

Proceed to

w/ Smart Key System

A

w/o Smart Key System

B

B

GO TO STEP 10

A

9.

CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 17 CAN JUNCTION CONNECTOR - CERTIFICATION ECU (SMART KEY ECU ASSEMBLY))

(a) Measure the resistance according to the value(s) in the table below.

*1

DLC3

-

-

*a

Front view of wire harness connector

(to No. 17 CAN Junction Connector)

*b

to Certification ECU (Smart Key ECU Assembly)

Standard Resistance:

Tester Connection

Condition

Specified Condition

I216-1 (CANH) - I26-4 (CG)

Cable disconnected from negative (-) battery terminal

200 Ω or higher

I216-5 (CANL) - I26-4 (CG)

NG

GO TO STEP 12

OK

10.

CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 17 CAN JUNCTION CONNECTOR - AIR CONDITIONING AMPLIFIER ASSEMBLY)

(a) Measure the resistance according to the value(s) in the table below.

*1

DLC3

-

-

*a

Front view of wire harness connector

(to No. 17 CAN Junction Connector)

*b

to Air Conditioning Amplifier Assembly

Standard Resistance:

Tester Connection

Condition

Specified Condition

I216-2 (CANH) - I26-4 (CG)

Cable disconnected from negative (-) battery terminal

200 Ω or higher

I216-6 (CANL) - I26-4 (CG)

OK

REPLACE NO. 17 CAN JUNCTION CONNECTOR

NG

GO TO STEP 13

11.

CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 17 CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU))

(a) Disconnect the I173 central gateway ECU (network gateway ECU) connector.

(b) Measure the resistance according to the value(s) in the table below.

*1

DLC3

-

-

*a

Front view of wire harness connector

(to No. 17 CAN Junction Connector)

*b

to Central Gateway ECU (Network Gateway ECU)

Standard Resistance:

Tester Connection

Condition

Specified Condition

I216-3 (CANH) - I26-4 (CG)

Cable disconnected from negative (-) battery terminal

200 Ω or higher

I216-7 (CANL) - I26-4 (CG)

OK

REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)

NG

REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 17 CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU))

12.

CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 17 CAN JUNCTION CONNECTOR - CERTIFICATION ECU (SMART KEY ECU ASSEMBLY))

(a) Disconnect the I167 certification ECU (smart key ECU assembly) connector.

(b) Measure the resistance according to the value(s) in the table below.

*1

DLC3

-

-

*a

Front view of wire harness connector

(to No. 17 CAN Junction Connector)

*b

to Certification ECU (Smart Key ECU Assembly)

Standard Resistance:

Tester Connection

Condition

Specified Condition

I216-1 (CANH) - I26-4 (CG)

Cable disconnected from negative (-) battery terminal

200 Ω or higher

I216-5 (CANL) - I26-4 (CG)

OK

REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

NG

REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 17 CAN JUNCTION CONNECTOR - CERTIFICATION ECU (SMART KEY ECU ASSEMBLY))

13.

CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 17 CAN JUNCTION CONNECTOR - AIR CONDITIONING AMPLIFIER ASSEMBLY)

(a) Disconnect the I49 air conditioning amplifier assembly connector.

(b) Measure the resistance according to the value(s) in the table below.

*1

DLC3

-

-

*a

Front view of wire harness connector

(to No. 17 CAN Junction Connector)

*b

to Air Conditioning Amplifier Assembly

Standard Resistance:

Tester Connection

Condition

Specified Condition

I216-2 (CANH) - I26-4 (CG)

Cable disconnected from negative (-) battery terminal

200 Ω or higher

I216-6 (CANL) - I26-4 (CG)

OK

REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY

NG

REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 17 CAN JUNCTION CONNECTOR - AIR CONDITIONING AMPLIFIER ASSEMBLY)

14.

CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 12 CAN JUNCTION CONNECTOR - NO. 17 CAN JUNCTION CONNECTOR)

(a) Disconnect the A148 No. 12 CAN junction connector.

(b) Measure the resistance according to the value(s) in the table below.

*1

DLC3

-

-

*a

Front view of wire harness connector

(to No. 12 CAN Junction Connector)

*b

to No. 17 CAN Junction Connector

Standard Resistance:

Tester Connection

Condition

Specified Condition

A148-2 (CANH) - I26-4 (CG)

Cable disconnected from negative (-) battery terminal

200 Ω or higher

A148-6 (CANL) - I26-4 (CG)

NG

REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 12 CAN JUNCTION CONNECTOR - NO. 17 CAN JUNCTION CONNECTOR)

OK

15.

CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 12 CAN JUNCTION CONNECTOR - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU))

(a) Measure the resistance according to the value(s) in the table below.

*1

DLC3

-

-

*a

Front view of wire harness connector

(to No. 12 CAN Junction Connector)

*b

to Main Body ECU (Multiplex Network Body ECU)

Standard Resistance:

Tester Connection

Condition

Specified Condition

A148-1 (CANH) - I26-4 (CG)

Cable disconnected from negative (-) battery terminal

200 Ω or higher

A148-5 (CANL) - I26-4 (CG)

OK

REPLACE NO. 12 CAN JUNCTION CONNECTOR

NG

16.

CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 12 CAN JUNCTION CONNECTOR - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU))

(a) Disconnect the I85 main body ECU (multiplex network body ECU) connector.

(b) Measure the resistance according to the value(s) in the table below.

*1

DLC3

-

-

*a

Front view of wire harness connector

(to No. 12 CAN Junction Connector)

*b

to Main Body ECU (Multiplex Network Body ECU)

Standard Resistance:

Tester Connection

Condition

Specified Condition

A148-1 (CANH) - I26-4 (CG)

Cable disconnected from negative (-) battery terminal

200 Ω or higher

A148-5 (CANL) - I26-4 (CG)

OK

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

NG

REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 12 CAN JUNCTION CONNECTOR - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU))

17.

CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 17 CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU))

(a) Disconnect the I190 No. 17 CAN junction connector.

(b) Measure the resistance according to the value(s) in the table below.

*1

DLC3

-

-

*a

Front view of wire harness connector

(to No. 17 CAN Junction Connector)

*b

to Central Gateway ECU (Network Gateway ECU)

Standard Resistance:

Tester Connection

Condition

Specified Condition

I190-11 (CANH) - I26-4 (CG)

Cable disconnected from negative (-) battery terminal

200 Ω or higher

I190-22 (CANL) - I26-4 (CG)

NG

GO TO STEP 21

OK

18.

CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 17 CAN JUNCTION CONNECTOR - CERTIFICATION ECU (SMART KEY ECU ASSEMBLY))

(a) Measure the resistance according to the value(s) in the table below.

*1

DLC3

-

-

*a

Front view of wire harness connector

(to No. 17 CAN Junction Connector)

*b

to Certification ECU (Smart Key ECU Assembly)

Standard Resistance:

Tester Connection

Condition

Specified Condition

I190-9 (CANH) - I26-4 (CG)

Cable disconnected from negative (-) battery terminal

200 Ω or higher

I190-20 (CANL) - I26-4 (CG)

NG

GO TO STEP 22

OK

19.

CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 17 CAN JUNCTION CONNECTOR - AIR CONDITIONING AMPLIFIER ASSEMBLY)

(a) Measure the resistance according to the value(s) in the table below.

*1

DLC3

-

-

*a

Front view of wire harness connector

(to No. 17 CAN Junction Connector)

*b

to Air Conditioning Amplifier Assembly

Standard Resistance:

Tester Connection

Condition

Specified Condition

I190-10 (CANH) - I26-4 (CG)

Cable disconnected from negative (-) battery terminal

200 Ω or higher

I190-21 (CANL) - I26-4 (CG)

NG

GO TO STEP 23

OK

20.

CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 17 CAN JUNCTION CONNECTOR - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU))

(a) Measure the resistance according to the value(s) in the table below.

*1

DLC3

-

-

*a

Front view of wire harness connector

(to No. 17 CAN Junction Connector)

*b

to Main Body ECU (Multiplex Network Body ECU)

Standard Resistance:

Tester Connection

Condition

Specified Condition

I190-8 (CANH) - I26-4 (CG)

Cable disconnected from negative (-) battery terminal

200 Ω or higher

I190-19 (CANL) - I26-4 (CG)

OK

REPLACE NO. 17 CAN JUNCTION CONNECTOR

NG

GO TO STEP 24

21.

CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 17 CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU))

(a) Disconnect the I173 central gateway ECU (network gateway ECU) connector.

(b) Measure the resistance according to the value(s) in the table below.

*1

DLC3

-

-

*a

Front view of wire harness connector

(to No. 17 CAN Junction Connector)

*b

to Central Gateway ECU (Network Gateway ECU)

Standard Resistance:

Tester Connection

Condition

Specified Condition

I190-11 (CANH) - I26-4 (CG)

Cable disconnected from negative (-) battery terminal

200 Ω or higher

I190-22 (CANL) - I26-4 (CG)

OK

REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)

NG

REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 17 CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU))

22.

CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 17 CAN JUNCTION CONNECTOR - CERTIFICATION ECU (SMART KEY ECU ASSEMBLY))

(a) Disconnect the I167 certification ECU (smart key ECU assembly) connector.

(b) Measure the resistance according to the value(s) in the table below.

*1

DLC3

-

-

*a

Front view of wire harness connector

(to No. 17 CAN Junction Connector)

*b

to Certification ECU (Smart Key ECU Assembly)

Standard Resistance:

Tester Connection

Condition

Specified Condition

I190-9 (CANH) - I26-4 (CG)

Cable disconnected from negative (-) battery terminal

200 Ω or higher

I190-20 (CANL) - I26-4 (CG)

OK

REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

NG

REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 17 CAN JUNCTION CONNECTOR - CERTIFICATION ECU (SMART KEY ECU ASSEMBLY))

23.

CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 17 CAN JUNCTION CONNECTOR - AIR CONDITIONING AMPLIFIER ASSEMBLY)

(a) Disconnect the I49 air conditioning amplifier assembly connector.

(b) Measure the resistance according to the value(s) in the table below.

*1

DLC3

-

-

*a

Front view of wire harness connector

(to No. 17 CAN Junction Connector)

*b

to Air Conditioning Amplifier Assembly

Standard Resistance:

Tester Connection

Condition

Specified Condition

I190-10 (CANH) - I26-4 (CG)

Cable disconnected from negative (-) battery terminal

200 Ω or higher

I190-21 (CANL) - I26-4 (CG)

OK

REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY

NG

REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 17 CAN JUNCTION CONNECTOR - AIR CONDITIONING AMPLIFIER ASSEMBLY)

24.

CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 17 CAN JUNCTION CONNECTOR - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU))

(a) Disconnect the I85 main body ECU (multiplex network body ECU) connector.

(b) Measure the resistance according to the value(s) in the table below.

*1

DLC3

-

-

*a

Front view of wire harness connector

(to No. 17 CAN Junction Connector)

*b

to Main Body ECU (Multiplex Network Body ECU)

Standard Resistance:

Tester Connection

Condition

Specified Condition

I190-8 (CANH) - I26-4 (CG)

Cable disconnected from negative (-) battery terminal

200 Ω or higher

I190-19 (CANL) - I26-4 (CG)

OK

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

NG

REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 17 CAN JUNCTION CONNECTOR - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU))

25.

CHECK VEHICLE TYPE

(a) Check vehicle type.

Result

Proceed to

except G16E-GTS

A

for G16E-GTS

B

B

GO TO STEP 37

A

26.

CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 17 CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU))

(a) Disconnect the I216 No. 17 CAN junction connector.

(b) Measure the resistance according to the value(s) in the table below.

*1

DLC3

-

-

*a

Front view of wire harness connector

(to No. 17 CAN Junction Connector)

*b

to Central Gateway ECU (Network Gateway ECU)

Standard Resistance:

Tester Connection

Condition

Specified Condition

I216-3 (CANH) - I26-16 (BAT)

Cable disconnected from negative (-) battery terminal

6 kΩ or higher

I216-7 (CANL) - I26-16 (BAT)

NG

GO TO STEP 31

OK

27.

CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 17 CAN JUNCTION CONNECTOR - NO. 12 CAN JUNCTION CONNECTOR)

(a) Measure the resistance according to the value(s) in the table below.

*1

DLC3

-

-

*a

Front view of wire harness connector

(to No. 17 CAN Junction Connector)

*b

to No. 12 CAN Junction Connector

Standard Resistance:

Tester Connection

Condition

Specified Condition

I216-4 (CANH) - I26-16 (BAT)

Cable disconnected from negative (-) battery terminal

6 kΩ or higher

I216-8 (CANL) - I26-16 (BAT)

NG

GO TO STEP 34

OK

28.

CHECK VEHICLE TYPE

(a) Check vehicle type.

Result

Proceed to

w/ Smart Key System

A

w/o Smart Key System

B

B

GO TO STEP 30

A

29.

CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 17 CAN JUNCTION CONNECTOR - CERTIFICATION ECU (SMART KEY ECU ASSEMBLY))

(a) Measure the resistance according to the value(s) in the table below.

*1

DLC3

-

-

*a

Front view of wire harness connector

(to No. 17 CAN Junction Connector)

*b

to Certification ECU (Smart Key ECU Assembly)

Standard Resistance:

Tester Connection

Condition

Specified Condition

I216-1 (CANH) - I26-16 (BAT)

Cable disconnected from negative (-) battery terminal

6 kΩ or higher

I216-5 (CANL) - I26-16 (BAT)

NG

GO TO STEP 32

OK

30.

CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 17 CAN JUNCTION CONNECTOR - AIR CONDITIONING AMPLIFIER ASSEMBLY)

(a) Measure the resistance according to the value(s) in the table below.

*1

DLC3

-

-

*a

Front view of wire harness connector

(to No. 17 CAN Junction Connector)

*b

to Air Conditioning Amplifier Assembly

Standard Resistance:

Tester Connection

Condition

Specified Condition

I216-2 (CANH) - I26-16 (BAT)

Cable disconnected from negative (-) battery terminal

6 kΩ or higher

I216-6 (CANL) - I26-16 (BAT)

OK

REPLACE NO. 17 CAN JUNCTION CONNECTOR

NG

GO TO STEP 33

31.

CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 17 CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU))

(a) Disconnect the I173 central gateway ECU (network gateway ECU) connector.

(b) Measure the resistance according to the value(s) in the table below.

*1

DLC3

-

-

*a

Front view of wire harness connector

(to No. 17 CAN Junction Connector)

*b

to Central Gateway ECU (Network Gateway ECU)

Standard Resistance:

Tester Connection

Condition

Specified Condition

I216-3 (CANH) - I26-16 (BAT)

Cable disconnected from negative (-) battery terminal

6 kΩ or higher

I216-7 (CANL) - I26-16 (BAT)

OK

REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)

NG

REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 17 CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU))

32.

CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 17 CAN JUNCTION CONNECTOR - CERTIFICATION ECU (SMART KEY ECU ASSEMBLY))

(a) Disconnect the I167 certification ECU (smart key ECU assembly) connector.

(b) Measure the resistance according to the value(s) in the table below.

*1

DLC3

-

-

*a

Front view of wire harness connector

(to No. 17 CAN Junction Connector)

*b

to Certification ECU (Smart Key ECU Assembly)

Standard Resistance:

Tester Connection

Condition

Specified Condition

I216-1 (CANH) - I26-16 (BAT)

Cable disconnected from negative (-) battery terminal

6 kΩ or higher

I216-5 (CANL) - I26-16 (BAT)

OK

REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

NG

REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 17 CAN JUNCTION CONNECTOR - CERTIFICATION ECU (SMART KEY ECU ASSEMBLY))

33.

CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 17 CAN JUNCTION CONNECTOR - AIR CONDITIONING AMPLIFIER ASSEMBLY)

(a) Disconnect the I49 air conditioning amplifier assembly connector.

(b) Measure the resistance according to the value(s) in the table below.

*1

DLC3

-

-

*a

Front view of wire harness connector

(to No. 17 CAN Junction Connector)

*b

to Air Conditioning Amplifier Assembly

Standard Resistance:

Tester Connection

Condition

Specified Condition

I216-2 (CANH) - I26-16 (BAT)

Cable disconnected from negative (-) battery terminal

6 kΩ or higher

I216-6 (CANL) - I26-16 (BAT)

OK

REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY

NG

REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 17 CAN JUNCTION CONNECTOR - AIR CONDITIONING AMPLIFIER ASSEMBLY)

34.

CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 12 CAN JUNCTION CONNECTOR - NO. 17 CAN JUNCTION CONNECTOR)

(a) Disconnect the A148 No. 12 CAN junction connector.

(b) Measure the resistance according to the value(s) in the table below.

*1

DLC3

-

-

*a

Front view of wire harness connector

(to No. 12 CAN Junction Connector)

*b

to No. 17 CAN Junction Connector

Standard Resistance:

Tester Connection

Condition

Specified Condition

A148-2 (CANH) - I26-16 (BAT)

Cable disconnected from negative (-) battery terminal

6 kΩ or higher

A148-6 (CANL) - I26-16 (BAT)

NG

REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 12 CAN JUNCTION CONNECTOR - NO. 17 CAN JUNCTION CONNECTOR)

OK

35.

CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 12 CAN JUNCTION CONNECTOR - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU))

(a) Measure the resistance according to the value(s) in the table below.

*1

DLC3

-

-

*a

Front view of wire harness connector

(to No. 12 CAN Junction Connector)

*b

to Main Body ECU (Multiplex Network Body ECU)

Standard Resistance:

Tester Connection

Condition

Specified Condition

A148-1 (CANH) - I26-16 (BAT)

Cable disconnected from negative (-) battery terminal

6 kΩ or higher

A148-5 (CANL) - I26-16 (BAT)

OK

REPLACE NO. 12 CAN JUNCTION CONNECTOR

NG

36.

CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 12 CAN JUNCTION CONNECTOR - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU))

(a) Disconnect the I85 main body ECU (multiplex network body ECU) connector.

(b) Measure the resistance according to the value(s) in the table below.

*1

DLC3

-

-

*a

Front view of wire harness connector

(to No. 12 CAN Junction Connector)

*b

to Main Body ECU (Multiplex Network Body ECU)

Standard Resistance:

Tester Connection

Condition

Specified Condition

A148-1 (CANH) - I26-16 (BAT)

Cable disconnected from negative (-) battery terminal

6 kΩ or higher

A148-5 (CANL) - I26-16 (BAT)

OK

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

NG

REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 12 CAN JUNCTION CONNECTOR - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU))

37.

CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 17 CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU))

(a) Disconnect the I190 No. 17 CAN junction connector.

(b) Measure the resistance according to the value(s) in the table below.

*1

DLC3

-

-

*a

Front view of wire harness connector

(to No. 17 CAN Junction Connector)

*b

to Central Gateway ECU (Network Gateway ECU)

Standard Resistance:

Tester Connection

Condition

Specified Condition

I190-11 (CANH) - I26-16 (BAT)

Cable disconnected from negative (-) battery terminal

6 kΩ or higher

I190-22 (CANL) - I26-16 (BAT)

NG

GO TO STEP 41

OK

38.

CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 17 CAN JUNCTION CONNECTOR - CERTIFICATION ECU (SMART KEY ECU ASSEMBLY))

(a) Measure the resistance according to the value(s) in the table below.

*1

DLC3

-

-

*a

Front view of wire harness connector

(to No. 17 CAN Junction Connector)

*b

to Certification ECU (Smart Key ECU Assembly)

Standard Resistance:

Tester Connection

Condition

Specified Condition

I190-9 (CANH) - I26-16 (BAT)

Cable disconnected from negative (-) battery terminal

6 kΩ or higher

I190-20 (CANL) - I26-16 (BAT)

NG

GO TO STEP 42

OK

39.

CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 17 CAN JUNCTION CONNECTOR - AIR CONDITIONING AMPLIFIER ASSEMBLY)

(a) Measure the resistance according to the value(s) in the table below.

*1

DLC3

-

-

*a

Front view of wire harness connector

(to No. 17 CAN Junction Connector)

*b

to Air Conditioning Amplifier Assembly

Standard Resistance:

Tester Connection

Condition

Specified Condition

I190-10 (CANH) - I26-16 (BAT)

Cable disconnected from negative (-) battery terminal

6 kΩ or higher

I190-21 (CANL) - I26-16 (BAT)

NG

GO TO STEP 43

OK

40.

CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 17 CAN JUNCTION CONNECTOR - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU))

(a) Measure the resistance according to the value(s) in the table below.

*1

DLC3

-

-

*a

Front view of wire harness connector

(to No. 17 CAN Junction Connector)

*b

to Main Body ECU (Multiplex Network Body ECU)

Standard Resistance:

Tester Connection

Condition

Specified Condition

I190-8 (CANH) - I26-16 (BAT)

Cable disconnected from negative (-) battery terminal

6 kΩ or higher

I190-19 (CANL) - I26-16 (BAT)

OK

REPLACE NO. 17 CAN JUNCTION CONNECTOR

NG

GO TO STEP 44

41.

CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 17 CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU))

(a) Disconnect the I173 central gateway ECU (network gateway ECU) connector.

(b) Measure the resistance according to the value(s) in the table below.

*1

DLC3

-

-

*a

Front view of wire harness connector

(to No. 17 CAN Junction Connector)

*b

to Central Gateway ECU (Network Gateway ECU)

Standard Resistance:

Tester Connection

Condition

Specified Condition

I190-11 (CANH) - I26-16 (BAT)

Cable disconnected from negative (-) battery terminal

6 kΩ or higher

I190-22 (CANL) - I26-16 (BAT)

OK

REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)

NG

REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 17 CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU))

42.

CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 17 CAN JUNCTION CONNECTOR - CERTIFICATION ECU (SMART KEY ECU ASSEMBLY))

(a) Disconnect the I167 certification ECU (smart key ECU assembly) connector.

(b) Measure the resistance according to the value(s) in the table below.

*1

DLC3

-

-

*a

Front view of wire harness connector

(to No. 17 CAN Junction Connector)

*b

to Certification ECU (Smart Key ECU Assembly)

Standard Resistance:

Tester Connection

Condition

Specified Condition

I190-9 (CANH) - I26-16 (BAT)

Cable disconnected from negative (-) battery terminal

6 kΩ or higher

I190-20 (CANL) - I26-16 (BAT)

OK

REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

NG

REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 17 CAN JUNCTION CONNECTOR - CERTIFICATION ECU (SMART KEY ECU ASSEMBLY))

43.

CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 17 CAN JUNCTION CONNECTOR - AIR CONDITIONING AMPLIFIER ASSEMBLY)

(a) Disconnect the I49 air conditioning amplifier assembly connector.

(b) Measure the resistance according to the value(s) in the table below.

*1

DLC3

-

-

*a

Front view of wire harness connector

(to No. 17 CAN Junction Connector)

*b

to Air Conditioning Amplifier Assembly

Standard Resistance:

Tester Connection

Condition

Specified Condition

I190-10 (CANH) - I26-16 (BAT)

Cable disconnected from negative (-) battery terminal

6 kΩ or higher

I190-21 (CANL) - I26-16 (BAT)

OK

REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY

NG

REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 17 CAN JUNCTION CONNECTOR - AIR CONDITIONING AMPLIFIER ASSEMBLY)

44.

CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 17 CAN JUNCTION CONNECTOR - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU))

(a) Disconnect the I85 main body ECU (multiplex network body ECU) connector.

(b) Measure the resistance according to the value(s) in the table below.

*1

DLC3

-

-

*a

Front view of wire harness connector

(to No. 17 CAN Junction Connector)

*b

to Main Body ECU (Multiplex Network Body ECU)

Standard Resistance:

Tester Connection

Condition

Specified Condition

I190-8 (CANH) - I26-16 (BAT)

Cable disconnected from negative (-) battery terminal

6 kΩ or higher

I190-19 (CANL) - I26-16 (BAT)

OK

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

NG

REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 17 CAN JUNCTION CONNECTOR - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU))

45.

CHECK VEHICLE TYPE

(a) Check vehicle type.

Result

Proceed to

except G16E-GTS

A

for G16E-GTS

B

B

GO TO STEP 57

A

46.

CHECK FOR SHORT IN CAN BUS LINES (NO. 17 CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU))

(a) Disconnect the I216 No. 17 CAN junction connector.

(b) Measure the resistance according to the value(s) in the table below.

*a

Front view of wire harness connector

(to No. 17 CAN Junction Connector)

*b

to Central Gateway ECU (Network Gateway ECU)

Standard Resistance:

Tester Connection

Condition

Specified Condition

I216-3 (CANH) - I216-7 (CANL)

Cable disconnected from negative (-) battery terminal

108 to 132 Ω

NG

GO TO STEP 51

OK

47.

CHECK FOR SHORT IN CAN BUS LINES (NO. 17 CAN JUNCTION CONNECTOR - NO. 12 CAN JUNCTION CONNECTOR)

(a) Measure the resistance according to the value(s) in the table below.

*a

Front view of wire harness connector

(to No. 17 CAN Junction Connector)

*b

to No. 12 CAN Junction Connector

Standard Resistance:

Tester Connection

Condition

Specified Condition

I216-4 (CANH) - I216-8 (CANL)

Cable disconnected from negative (-) battery terminal

108 to 132 Ω

NG

GO TO STEP 54

OK

48.

CHECK VEHICLE TYPE

(a) Check vehicle type.

Result

Proceed to

w/ Smart Key System

A

w/o Smart Key System

B

B

GO TO STEP 50

A

49.

CHECK FOR SHORT IN CAN BUS LINES (NO. 17 CAN JUNCTION CONNECTOR - CERTIFICATION ECU (SMART KEY ECU ASSEMBLY))

(a) Measure the resistance according to the value(s) in the table below.

*a

Front view of wire harness connector

(to No. 17 CAN Junction Connector)

*b

to Certification ECU (Smart Key ECU Assembly)

Standard Resistance:

Tester Connection

Condition

Specified Condition

I216-1 (CANH) - I216-5 (CANL)

Cable disconnected from negative (-) battery terminal

200 Ω or higher

NG

GO TO STEP 52

OK

50.

CHECK FOR SHORT IN CAN BUS LINES (NO. 17 CAN JUNCTION CONNECTOR - AIR CONDITIONING AMPLIFIER ASSEMBLY)

(a) Measure the resistance according to the value(s) in the table below.

*a

Front view of wire harness connector

(to No. 17 CAN Junction Connector)

*b

to Air Conditioning Amplifier Assembly

Standard Resistance:

Tester Connection

Condition

Specified Condition

I216-2 (CANH) - I216-6 (CANL)

Cable disconnected from negative (-) battery terminal

200 Ω or higher

OK

REPLACE NO. 17 CAN JUNCTION CONNECTOR

NG

GO TO STEP 53

51.

CHECK FOR SHORT IN CAN BUS LINES (NO. 17 CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU))

(a) Disconnect the I173 central gateway ECU (network gateway ECU) connector.

(b) Measure the resistance according to the value(s) in the table below.

*a

Front view of wire harness connector

(to No. 17 CAN Junction Connector)

*b

to Central Gateway ECU (Network Gateway ECU)

Standard Resistance:

Tester Connection

Condition

Specified Condition

I216-3 (CANH) - I216-7 (CANL)

Cable disconnected from negative (-) battery terminal

1 MΩ or higher

OK

REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)

NG

REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 17 CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU))

52.

CHECK FOR SHORT IN CAN BUS LINES (NO. 17 CAN JUNCTION CONNECTOR - CERTIFICATION ECU (SMART KEY ECU ASSEMBLY))

(a) Disconnect the I167 certification ECU (smart key ECU assembly) connector.

(b) Measure the resistance according to the value(s) in the table below.

*a

Front view of wire harness connector

(to No. 17 CAN Junction Connector)

*b

to Certification ECU (Smart Key ECU Assembly)

Standard Resistance:

Tester Connection

Condition

Specified Condition

I216-1 (CANH) - I216-5 (CANL)

Cable disconnected from negative (-) battery terminal

1 MΩ or higher

OK

REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

NG

REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (NO. 17 CAN JUNCTION CONNECTOR - CERTIFICATION ECU (SMART KEY ECU ASSEMBLY))

53.

CHECK FOR SHORT IN CAN BUS LINES (NO. 17 CAN JUNCTION CONNECTOR - AIR CONDITIONING AMPLIFIER ASSEMBLY)

(a) Disconnect the I49 air conditioning amplifier assembly connector.

(b) Measure the resistance according to the value(s) in the table below.

*a

Front view of wire harness connector

(to No. 17 CAN Junction Connector)

*b

to Air Conditioning Amplifier Assembly

Standard Resistance:

Tester Connection

Condition

Specified Condition

I216-2 (CANH) - I216-6 (CANL)

Cable disconnected from negative (-) battery terminal

1 MΩ or higher

OK

REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY

NG

REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (NO. 17 CAN JUNCTION CONNECTOR - AIR CONDITIONING AMPLIFIER ASSEMBLY)

54.

CHECK FOR SHORT IN CAN BUS LINES (NO. 12 CAN JUNCTION CONNECTOR - NO. 17 CAN JUNCTION CONNECTOR)

(a) Reconnect the I216 No. 17 CAN junction connector.

(b) Disconnect the A148 No. 12 CAN junction connector.

(c) Measure the resistance according to the value(s) in the table below.

*a

Front view of wire harness connector

(to No. 12 CAN Junction Connector)

*b

to No. 17 CAN Junction Connector

Standard Resistance:

Tester Connection

Condition

Specified Condition

A148-2 (CANH) - A148-6 (CANL)

Cable disconnected from negative (-) battery terminal

108 to 132 Ω

NG

REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 12 CAN JUNCTION CONNECTOR - NO. 17 CAN JUNCTION CONNECTOR)

OK

55.

CHECK FOR SHORT IN CAN BUS LINES (NO. 12 CAN JUNCTION CONNECTOR - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU))

(a) Measure the resistance according to the value(s) in the table below.

*a

Front view of wire harness connector

(to No. 12 CAN Junction Connector)

*b

to Main Body ECU (Multiplex Network Body ECU)

Standard Resistance:

Tester Connection

Condition

Specified Condition

A148-1 (CANH) - A148-5 (CANL)

Cable disconnected from negative (-) battery terminal

108 to 132 Ω

OK

REPLACE NO. 12 CAN JUNCTION CONNECTOR

NG

56.

CHECK FOR SHORT IN CAN BUS LINES (NO. 12 CAN JUNCTION CONNECTOR - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU))

(a) Disconnect the I85 main body ECU (multiplex network body ECU) connector.

(b) Measure the resistance according to the value(s) in the table below.

*a

Front view of wire harness connector

(to No. 12 CAN Junction Connector)

*b

to Main Body ECU (Multiplex Network Body ECU)

Standard Resistance:

Tester Connection

Condition

Specified Condition

A148-1 (CANH) - A148-5 (CANL)

Cable disconnected from negative (-) battery terminal

1 MΩ or higher

OK

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

NG

REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 12 CAN JUNCTION CONNECTOR - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU))

57.

CHECK FOR SHORT IN CAN BUS LINES (NO. 17 CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU))

(a) Disconnect the I190 No. 17 CAN junction connector.

(b) Measure the resistance according to the value(s) in the table below.

*a

Front view of wire harness connector

(to No. 17 CAN Junction Connector)

*b

to Central Gateway ECU (Network Gateway ECU)

Standard Resistance:

Tester Connection

Condition

Specified Condition

I190-11 (CANH) - I190-22 (CANL)

Cable disconnected from negative (-) battery terminal

108 to 132 Ω

NG

GO TO STEP 61

OK

58.

CHECK FOR SHORT IN CAN BUS LINES (NO. 17 CAN JUNCTION CONNECTOR - CERTIFICATION ECU (SMART KEY ECU ASSEMBLY))

(a) Measure the resistance according to the value(s) in the table below.

*a

Front view of wire harness connector

(to No. 17 CAN Junction Connector)

*b

to Certification ECU (Smart Key ECU Assembly)

Standard Resistance:

Tester Connection

Condition

Specified Condition

I190-9 (CANH) - I190-20 (CANL)

Cable disconnected from negative (-) battery terminal

200 Ω or higher

NG

GO TO STEP 62

OK

59.

CHECK FOR SHORT IN CAN BUS LINES (NO. 17 CAN JUNCTION CONNECTOR - AIR CONDITIONING AMPLIFIER ASSEMBLY)

(a) Measure the resistance according to the value(s) in the table below.

*a

Front view of wire harness connector

(to No. 17 CAN Junction Connector)

*b

to Air Conditioning Amplifier Assembly

Standard Resistance:

Tester Connection

Condition

Specified Condition

I190-10 (CANH) - I190-21 (CANL)

Cable disconnected from negative (-) battery terminal

200 Ω or higher

NG

GO TO STEP 63

OK

60.

CHECK FOR SHORT IN CAN BUS LINES (NO. 17 CAN JUNCTION CONNECTOR - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU))

(a) Measure the resistance according to the value(s) in the table below.

*a

Front view of wire harness connector

(to No. 17 CAN Junction Connector)

*b

to Main Body ECU (Multiplex Network Body ECU)

Standard Resistance:

Tester Connection

Condition

Specified Condition

I190-8 (CANH) - I190-19 (CANL)

Cable disconnected from negative (-) battery terminal

108 to 132 Ω

OK

REPLACE NO. 17 CAN JUNCTION CONNECTOR

NG

GO TO STEP 64

61.

CHECK FOR SHORT IN CAN BUS LINES (NO. 17 CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU))

(a) Disconnect the I173 central gateway ECU (network gateway ECU) connector.

(b) Measure the resistance according to the value(s) in the table below.

*a

Front view of wire harness connector

(to No. 17 CAN Junction Connector)

*b

to Central Gateway ECU (Network Gateway ECU)

Standard Resistance:

Tester Connection

Condition

Specified Condition

I190-11 (CANH) - I190-22 (CANL)

Cable disconnected from negative (-) battery terminal

1 MΩ or higher

OK

REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)

NG

REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 17 CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU))

62.

CHECK FOR SHORT IN CAN BUS LINES (NO. 17 CAN JUNCTION CONNECTOR - CERTIFICATION ECU (SMART KEY ECU ASSEMBLY))

(a) Disconnect the I167 certification ECU (smart key ECU assembly) connector.

(b) Measure the resistance according to the value(s) in the table below.

*a

Front view of wire harness connector

(to No. 17 CAN Junction Connector)

*b

to Certification ECU (Smart Key ECU Assembly)

Standard Resistance:

Tester Connection

Condition

Specified Condition

I190-9 (CANH) - I190-20 (CANL)

Cable disconnected from negative (-) battery terminal

1 MΩ or higher

OK

REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

NG

REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (NO. 17 CAN JUNCTION CONNECTOR - CERTIFICATION ECU (SMART KEY ECU ASSEMBLY))

63.

CHECK FOR SHORT IN CAN BUS LINES (NO. 17 CAN JUNCTION CONNECTOR - AIR CONDITIONING AMPLIFIER ASSEMBLY)

(a) Disconnect the I49 air conditioning amplifier assembly connector.

(b) Measure the resistance according to the value(s) in the table below.

*a

Front view of wire harness connector

(to No. 17 CAN Junction Connector)

*b

to Air Conditioning Amplifier Assembly

Standard Resistance:

Tester Connection

Condition

Specified Condition

I190-10 (CANH) - I190-21 (CANL)

Cable disconnected from negative (-) battery terminal

1 MΩ or higher

OK

REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY

NG

REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (NO. 17 CAN JUNCTION CONNECTOR - AIR CONDITIONING AMPLIFIER ASSEMBLY)

64.

CHECK FOR SHORT IN CAN BUS LINES (NO. 17 CAN JUNCTION CONNECTOR - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU))

(a) Disconnect the I85 main body ECU (multiplex network body ECU) connector.

(b) Measure the resistance according to the value(s) in the table below.

*a

Front view of wire harness connector

(to No. 17 CAN Junction Connector)

*b

to Main Body ECU (Multiplex Network Body ECU)

Standard Resistance:

Tester Connection

Condition

Specified Condition

I190-8 (CANH) - I190-19 (CANL)

Cable disconnected from negative (-) battery terminal

1 MΩ or higher

OK

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

NG

REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 17 CAN JUNCTION CONNECTOR - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU))

65.

CHECK FOR OPEN IN CAN MAIN BUS LINES (CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU))

(a) Disconnect the I173 central gateway ECU (network gateway ECU) connector.

(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

I173-7 (CA5H) - I173-8 (CA5L)

Cable disconnected from negative (-) battery terminal

108 to 132 Ω

*a

Front view of wire harness connector

(to Central Gateway ECU (Network Gateway ECU))

OK

REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)

NG

66.

CHECK VEHICLE TYPE

(a) Check vehicle type.

Result

Proceed to

except G16E-GTS

A

for G16E-GTS

B

B

GO TO STEP 72

A

67.

CHECK FOR OPEN IN CAN MAIN BUS LINES (NO. 17 CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU))

(a) Reconnect the I173 central gateway ECU (network gateway ECU) connector.

(b) Disconnect the I216 No. 17 CAN junction connector.

(c) Measure the resistance according to the value(s) in the table below.

*a

Front view of wire harness connector

(to No. 17 CAN Junction Connector)

*b

to Central Gateway ECU (Network Gateway ECU)

Standard Resistance:

Tester Connection

Condition

Specified Condition

I216-3 (CANH) - I216-7 (CANL)

Cable disconnected from negative (-) battery terminal

108 to 132 Ω

NG

REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 17 CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU))

OK

68.

CHECK FOR OPEN IN CAN MAIN BUS LINES (NO. 17 CAN JUNCTION CONNECTOR - NO. 12 CAN JUNCTION CONNECTOR)

(a) Measure the resistance according to the value(s) in the table below.

*a

Front view of wire harness connector

(to No. 17 CAN Junction Connector)

*b

to No. 12 CAN Junction Connector

Standard Resistance:

Tester Connection

Condition

Specified Condition

I216-4 (CANH) - I216-8 (CANL)

Cable disconnected from negative (-) battery terminal

108 to 132 Ω

OK

REPLACE NO. 17 CAN JUNCTION CONNECTOR

NG

69.

CHECK FOR OPEN IN CAN MAIN BUS LINES (NO. 12 CAN JUNCTION CONNECTOR - NO. 17 CAN JUNCTION CONNECTOR)

(a) Reconnect the I216 No. 17 CAN junction connector.

(b) Disconnect the A148 No. 12 CAN junction connector.

(c) Measure the resistance according to the value(s) in the table below.

*a

Front view of wire harness connector

(to No. 12 CAN Junction Connector)

*b

to No. 17 CAN Junction Connector

Standard Resistance:

Tester Connection

Condition

Specified Condition

A148-2 (CANH) - A148-6 (CANL)

Cable disconnected from negative (-) battery terminal

108 to 132 Ω

NG

REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 12 CAN JUNCTION CONNECTOR - NO. 17 CAN JUNCTION CONNECTOR)

OK

70.

CHECK FOR OPEN IN CAN MAIN BUS LINES (NO. 12 CAN JUNCTION CONNECTOR - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU))

(a) Measure the resistance according to the value(s) in the table below.

*a

Front view of wire harness connector

(to No. 12 CAN Junction Connector)

*b

to Main Body ECU (Multiplex Network Body ECU)

Standard Resistance:

Tester Connection

Condition

Specified Condition

A148-1 (CANH) - A148-5 (CANL)

Cable disconnected from negative (-) battery terminal

108 to 132 Ω

OK

REPLACE NO. 12 CAN JUNCTION CONNECTOR

NG

71.

CHECK FOR OPEN IN CAN MAIN BUS LINES (MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU))

(a) Reconnect the A148 No. 12 CAN junction connector.

(b) Disconnect the I85 main body ECU (multiplex network body ECU) connector.

(c) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

I85-2 (CANH) - I85-1 (CANL)

Cable disconnected from negative (-) battery terminal

108 to 132 Ω

*a

Front view of wire harness connector

(to Main Body ECU (Multiplex Network Body ECU))

OK

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

NG

REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) - NO. 12 CAN JUNCTION CONNECTOR)

72.

CHECK FOR OPEN IN CAN MAIN BUS LINES (NO. 17 CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU))

(a) Reconnect the I173 central gateway ECU (network gateway ECU) connector.

(b) Disconnect the I190 No. 17 CAN junction connector.

(c) Measure the resistance according to the value(s) in the table below.

*a

Front view of wire harness connector

(to No. 17 CAN Junction Connector)

*b

to Central Gateway ECU (Network Gateway ECU)

Standard Resistance:

Tester Connection

Condition

Specified Condition

I190-11 (CANH) - I190-22 (CANL)

Cable disconnected from negative (-) battery terminal

108 to 132 Ω

NG

REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 17 CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU))

OK

73.

CHECK FOR OPEN IN CAN MAIN BUS LINES (NO. 17 CAN JUNCTION CONNECTOR - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU))

(a) Measure the resistance according to the value(s) in the table below.

*a

Front view of wire harness connector

(to No. 17 CAN Junction Connector)

*b

to Main Body ECU (Multiplex Network Body ECU)

Standard Resistance:

Tester Connection

Condition

Specified Condition

I190-8 (CANH) - I190-19 (CANL)

Cable disconnected from negative (-) battery terminal

108 to 132 Ω

OK

REPLACE NO. 17 CAN JUNCTION CONNECTOR

NG

74.

CHECK FOR OPEN IN CAN MAIN BUS LINES (MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU))

(a) Reconnect the I190 No. 17 CAN junction connector.

(b) Disconnect the I85 main body ECU (multiplex network body ECU) connector.

(c) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

I85-2 (CANH) - I85-1 (CANL)

Cable disconnected from negative (-) battery terminal

108 to 132 Ω

*a

Front view of wire harness connector

(to Main Body ECU (Multiplex Network Body ECU))

OK

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

NG

REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) - NO. 17 CAN JUNCTION CONNECTOR)