Last Modified: 04-05-2023 |
6.11:8.1.0 |
Doc ID: RM1000000018DNX |
Model Year Start: 2018 |
Model: Sienna |
Prod Date Range: [11/2017 - 08/2018] |
Title: NETWORKING: CAN COMMUNICATION SYSTEM: U1002; Lost Communication with Gateway Module; 2018 MY Sienna [11/2017 - 08/2018] |
DTC
|
U1002
|
Lost Communication with Gateway Module
|
DESCRIPTION
If 2 or more DTCs are output during the DTC check, one side of the CAN branch wire may be open (One side of the CANH (branch wire)/CANL (branch wire) of the ECU and/or sensor is open).
DTC Code
|
Symptom
|
Trouble Area
|
U1002
|
Lost communication with the gateway module (main body ECU).
|
-
Sub bus 1 circuit
-
Main body ECU (multiplex network body ECU) main wire or connector
-
Junction terminal main wire or connector
-
Outer mirror control ECU Assembly LH branch wire or connector*1
-
Outer mirror control ECU Assembly RH branch wire or connector*1
-
Power back door unit assembly (back door ECU) branch wire or connector*2
-
Front power seat switch LH branch wire or connector*1
-
Slide door motor unit LH branch wire or connector*3
-
Slide door motor unit RH branch wire or connector*3
-
Main body ECU (multiplex network body ECU)
-
No. 1 Junction terminal
-
Outer mirror control ECU Assembly LH*1
-
Outer mirror control ECU Assembly RH*1
-
Power back door unit assembly (back door ECU)*2
-
Front power seat switch LH*1
-
Slide door motor unit LH*3
-
Slide door motor unit RH*3
-
Instrument panel junction block assembly
-
No. 1 CAN junction connector
|
-
*1: w/ Seat Position Memory System
-
*2: w/ Power Back Door
-
*3: w/ Power Slide Door
WIRING DIAGRAM
CAUTION / NOTICE / HINT
CAUTION:
When performing the confirmation driving pattern, obey all speed limits and traffic laws.
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 CAN BUS WIRE (MAIN WIRE FOR DISCONNECTION, BUS LINE FOR SHORT CIRCUIT)
|
(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
|
Resistance Malfunction
|
D120-1 (CANH) - D120-2 (CANL)
|
Cable disconnected from negative (-) battery terminal
|
54 to 69 Ω
|
Below 53 Ω: Short in line
|
Cable disconnected from negative (-) battery terminal
|
70 Ω or higher: Open in CAN main bus line
|
D120-1 (CANH) - D16-16 (BAT)
|
Cable disconnected from negative (-) battery terminal
|
6 kΩ or higher
|
Below 6 kΩ: +B short
|
D120-2 (CANL) - D16-16 (BAT)
|
Cable disconnected from negative (-) battery terminal
|
6 kΩ or higher
|
Below 6 kΩ: +B short
|
D120-1 (CANH) - D16-4 (CG)
|
Cable disconnected from negative (-) battery terminal
|
200 Ω or higher
|
Below 200 Ω: Ground short
|
D120-2 (CANL) - D16-4 (CG)
|
Cable disconnected from negative (-) battery terminal
|
200 Ω or higher
|
Below 200 Ω: Ground short
|
Text in Illustration
*1
|
DLC3
|
*a
|
Junction connector with harness connected
(No. 1 CAN Junction Connector)
|
Result
Result
|
Proceed to
|
NG
- Open in CAN main wire
|
A
|
NG
- Short in line
- +B short
- Ground short
|
B
|
OK
|
C
|
|
|
A
|
|
|
2.
|
CHECK FOR OPEN IN MAIN BUS WIRE (NO. 1 CAN JUNCTION CONNECTOR - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU))
|
(a) Disconnect the No. 1 CAN junction connector connector.
|
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
D120-1 (CANH) - D120-2 (CANL)
|
Cable disconnected from negative (-) battery terminal
|
108 to 132 Ω
|
Text in Illustration
*a
|
Rear view of wire harness connector
(to No. 1 CAN Junction Connector)
|
OK
|
|
|
3.
|
CHECK FOR OPEN IN CAN BUS MAIN WIRE (NO. 1 CAN JUNCTION CONNECTOR - NO. 1 CAN JUNCTION TERMINAL)
|
(a) Disconnect the No. 1 CAN junction connector connector.
|
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
D117-1 (CANH) - D117-2 (CANL)
|
Cable disconnected from negative (-) battery terminal
|
108 to 132 Ω
|
Text in Illustration
*a
|
Rear view of wire harness connector
(to No. 1 CAN Junction Connector)
|
OK |
|
REPAIR OR REPLACE NO. 1 CAN JUNCTION CONNECTOR
|
(a) Reconnect the D120 No. 1 CAN junction connector connector.
NEXT
|
|
|
5.
|
CHECK FOR OPEN IN CAN BUS MAIN WIRE (MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) - NO. 1 CAN JUNCTION CONNECTOR)
|
(a) Disconnect the main body ECU (multiplex network body ECU) connector.
|
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
D14-9 (CANP) - D14-10 (CANN)
|
Cable disconnected from negative (-) battery terminal
|
108 to 132 Ω
|
Text in Illustration
*a
|
Front view of wire harness connector
(to Main Body ECU (Multiplex Network Body ECU))
|
NG |
|
REPAIR OR REPLACE CAN MAIN WIRE CONNECTED TO MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)
|
(a) Reconnect the D117 and D120 No. 1 CAN junction connector connectors.
NEXT
|
|
|
7.
|
CHECK FOR OPEN IN CAN BUS MAIN WIRE (NO. 1 CAN JUNCTION TERMINAL - NO. 1 CAN JUNCTION CONNECTOR)
|
(a) Disconnect the No. 1 CAN junction terminal connector.
|
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
D183-3 (CANH) - D183-2 (CANL)
|
Cable disconnected from negative (-) battery terminal
|
108 to 132 Ω
|
Text in Illustration
*a
|
Front view of wire harness connector
(to No. 1 CAN Junction Terminal)
|
OK |
|
REPLACE NO. 1 CAN JUNCTION TERMINAL
|
NG |
|
REPAIR OR REPLACE CAN MAIN WIRE CONNECTED TO NO. 1 CAN JUNCTION TERMINAL
|
8.
|
CHECK FOR SHORT IN CAN BUS WIRES (NO. 1 CAN JUNCTION CONNECTOR - NO. 1 CAN JUNCTION TERMINAL)
|
(a) Disconnect the No. 1 CAN junction connector connector.
|
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
D117-1 (CANH) - D117-2 (CANL)
|
Cable disconnected from negative (-) battery terminal
|
108 to 132 Ω
|
D117-1 (CANH) - D16-4 (CG)
|
Cable disconnected from negative (-) battery terminal
|
200 Ω or higher
|
D117-2 (CANL) - D16-4 (CG)
|
Cable disconnected from negative (-) battery terminal
|
200 Ω or higher
|
D117-1 (CANH) - D16-16 (BAT)
|
Cable disconnected from negative (-) battery terminal
|
6 kΩ or higher
|
D117-2 (CANL) - D16-16 (BAT)
|
Cable disconnected from negative (-) battery terminal
|
6 kΩ or higher
|
Text in Illustration
*1
|
DLC3
|
*a
|
Rear view of wire harness connector
(to No. 1 CAN Junction Connector)
|
OK
|
|
|
(a) Reconnect the D117 No. 1 CAN junction connector connector.
NEXT
|
|
|
10.
|
CHECK FOR SHORT IN CAN BUS WIRES (NO. 1 CAN JUNCTION CONNECTOR - OUTER MIRROR CONTROL ECU ASSEMBLY RH)
|
HINT:
For vehicle without seat position memory system, go to step 14.
(a) Disconnect the No. 1 CAN junction connector connector.
|
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
D118-1 (CANH) - D118-2 (CANL)
|
Cable disconnected from negative (-) battery terminal
|
200 Ω or higher
|
D118-1 (CANH) - D16-4 (CG)
|
Cable disconnected from negative (-) battery terminal
|
200 Ω or higher
|
D118-2 (CANL) - D16-4 (CG)
|
Cable disconnected from negative (-) battery terminal
|
200 Ω or higher
|
D118-1 (CANH) - D16-16 (BAT)
|
Cable disconnected from negative (-) battery terminal
|
6 kΩ or higher
|
D118-2 (CANL) - D16-16 (BAT)
|
Cable disconnected from negative (-) battery terminal
|
6 kΩ or higher
|
Text in Illustration
*1
|
DLC3
|
*a
|
Rear view of wire harness connector
(to No. 1 CAN Junction Connector)
|
OK
|
|
|
(a) Reconnect the D118 No. 1 CAN junction connector connector.
NEXT
|
|
|
12.
|
CHECK FOR SHORT IN CAN BUS WIRES (NO. 1 CAN JUNCTION CONNECTOR - SLIDE DOOR MOTOR UNIT RH)
|
HINT:
For vehicle without power slide door, go to step 16.
(a) Disconnect the No. 1 CAN junction connector connector.
|
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
D119-1 (CANH) - D119-2 (CANL)
|
Cable disconnected from negative (-) battery terminal
|
200 Ω or higher
|
D119-1 (CANH) - D16-4 (CG)
|
Cable disconnected from negative (-) battery terminal
|
200 Ω or higher
|
D119-2 (CANL) - D16-4 (CG)
|
Cable disconnected from negative (-) battery terminal
|
200 Ω or higher
|
D119-1 (CANH) - D16-16 (BAT)
|
Cable disconnected from negative (-) battery terminal
|
6 kΩ or higher
|
D119-2 (CANL) - D16-16 (BAT)
|
Cable disconnected from negative (-) battery terminal
|
6 kΩ or higher
|
Text in Illustration
*1
|
DLC3
|
*a
|
Rear view of wire harness connector
(to No. 1 CAN Junction Connector)
|
OK
|
|
|
(a) Reconnect the D119 No. 1 CAN junction connector connector.
NEXT
|
|
|
14.
|
CHECK FOR SHORT IN CAN BUS WIRES (NO. 1 CAN JUNCTION CONNECTOR - FRONT POWER SEAT SWITCH LH)
|
HINT:
For vehicle without seat position memory system, go to step 18.
(a) Disconnect the No. 1 CAN junction connector connector.
|
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
D121-1 (CANH) - D121-2 (CANL)
|
Cable disconnected from negative (-) battery terminal
|
200 Ω or higher
|
D121-1 (CANH) - D16-4 (CG)
|
Cable disconnected from negative (-) battery terminal
|
200 Ω or higher
|
D121-2 (CANL) - D16-4 (CG)
|
Cable disconnected from negative (-) battery terminal
|
200 Ω or higher
|
D121-1 (CANH) - D16-16 (BAT)
|
Cable disconnected from negative (-) battery terminal
|
6 kΩ or higher
|
D121-2 (CANL) - D16-16 (BAT)
|
Cable disconnected from negative (-) battery terminal
|
6 kΩ or higher
|
Text in Illustration
*1
|
DLC3
|
*a
|
Rear view of wire harness connector
(to No. 1 CAN Junction Connector)
|
OK
|
|
|
(a) Reconnect the D121 No. 1 CAN junction connector connector.
NEXT
|
|
|
16.
|
CHECK FOR SHORT IN CAN BUS WIRES (NO. 1 CAN JUNCTION CONNECTOR - POWER BACK DOOR UNIT ASSEMBLY (BACK DOOR ECU))
|
HINT:
For vehicle without power back door, go to step 20.
(a) Disconnect the No. 1 CAN junction connector connector.
|
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
D122-1 (CANH) - D122-2 (CANL)
|
Cable disconnected from negative (-) battery terminal
|
200 Ω or higher
|
D122-1 (CANH) - D16-4 (CG)
|
Cable disconnected from negative (-) battery terminal
|
200 Ω or higher
|
D122-2 (CANL) - D16-4 (CG)
|
Cable disconnected from negative (-) battery terminal
|
200 Ω or higher
|
D122-1 (CANH) - D16-16 (BAT)
|
Cable disconnected from negative (-) battery terminal
|
6 kΩ or higher
|
D122-2 (CANL) - D16-16 (BAT)
|
Cable disconnected from negative (-) battery terminal
|
6 kΩ or higher
|
Text in Illustration
*1
|
DLC3
|
*a
|
Rear view of wire harness connector
(to No. 1 CAN Junction Connector)
|
OK
|
|
|
(a) Reconnect the D122 No. 1 CAN junction connector connector.
NEXT
|
|
|
18.
|
CHECK FOR SHORT IN CAN BUS WIRES (NO. 1 CAN JUNCTION CONNECTOR - SLIDE DOOR MOTOR UNIT LH)
|
HINT:
For vehicle without power slide door, go to step 22.
(a) Disconnect the No. 1 CAN junction connector connector.
|
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
D123-1 (CANH) - D123-2 (CANL)
|
Cable disconnected from negative (-) battery terminal
|
200 Ω or higher
|
D123-1 (CANH) - D16-4 (CG)
|
Cable disconnected from negative (-) battery terminal
|
200 Ω or higher
|
D123-2 (CANL) - D16-4 (CG)
|
Cable disconnected from negative (-) battery terminal
|
200 Ω or higher
|
D123-1 (CANH) - D16-16 (BAT)
|
Cable disconnected from negative (-) battery terminal
|
6 kΩ or higher
|
D123-2 (CANL) - D16-16 (BAT)
|
Cable disconnected from negative (-) battery terminal
|
6 kΩ or higher
|
Text in Illustration
*1
|
DLC3
|
*a
|
Rear view of wire harness connector
(to No. 1 CAN Junction Connector)
|
OK
|
|
|
(a) Reconnect the D123 No. 1 CAN junction connector connector.
NEXT
|
|
|
20.
|
CHECK FOR SHORT IN CAN BUS WIRES (NO. 1 CAN JUNCTION CONNECTOR - OUTER MIRROR CONTROL ECU ASSEMBLY LH)
|
HINT:
For vehicle without seat position memory system, go to step 24.
(a) Disconnect the No. 1 CAN junction connector connector.
|
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
D124-1 (CANH) - D124-2 (CANL)
|
Cable disconnected from negative (-) battery terminal
|
200 Ω or higher
|
D124-1 (CANH) - D16-4 (CG)
|
Cable disconnected from negative (-) battery terminal
|
200 Ω or higher
|
D124-2 (CANL) - D16-4 (CG)
|
Cable disconnected from negative (-) battery terminal
|
200 Ω or higher
|
D124-1 (CANH) - D16-16 (BAT)
|
Cable disconnected from negative (-) battery terminal
|
6 kΩ or higher
|
D124-2 (CANL) - D16-16 (BAT)
|
Cable disconnected from negative (-) battery terminal
|
6 kΩ or higher
|
Text in Illustration
*1
|
DLC3
|
*a
|
Rear view of wire harness connector
(to No. 1 CAN Junction Connector)
|
OK
|
|
|
(a) Reconnect the D124 No. 1 CAN junction connector connector.
NEXT
|
|
|
22.
|
CHECK FOR SHORT IN CAN BUS WIRES (NO. 1 CAN JUNCTION CONNECTOR - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU))
|
(a) Disconnect the No. 1 CAN junction connector connector.
|
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
D120-1 (CANH) - D120-2 (CANL)
|
Cable disconnected from negative (-) battery terminal
|
108 to 132 Ω
|
D120-1 (CANH) - D16-4 (CG)
|
Cable disconnected from negative (-) battery terminal
|
200 Ω or higher
|
D120-2 (CANL) - D16-4 (CG)
|
Cable disconnected from negative (-) battery terminal
|
200 Ω or higher
|
D120-1 (CANH) - D16-16 (BAT)
|
Cable disconnected from negative (-) battery terminal
|
6 kΩ or higher
|
D120-2 (CANL) - D16-16 (BAT)
|
Cable disconnected from negative (-) battery terminal
|
6 kΩ or higher
|
Text in Illustration
*1
|
DLC3
|
*a
|
Rear view of wire harness connector
(to No. 1 CAN Junction Connector)
|
OK |
|
REPAIR OR REPLACE NO. 1 CAN JUNCTION CONNECTOR
|
(a) Reconnect the D117 No. 1 CAN junction connector connector.
NEXT
|
|
|
24.
|
CHECK FOR SHORT IN CAN BUS WIRES (NO. 1 CAN JUNCTION TERMINAL)
|
(a) Disconnect the No. 1 CAN junction terminal connector.
|
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
D183-3 (CANH) - D183-2 (CANL)
|
Cable disconnected from negative (-) battery terminal
|
108 to 132 Ω
|
D183-3 (CANH) - D16-4 (CG)
|
Cable disconnected from negative (-) battery terminal
|
200 Ω or higher
|
D183-2 (CANL) - D16-4 (CG)
|
Cable disconnected from negative (-) battery terminal
|
200 Ω or higher
|
D183-3 (CANH) - D16-16 (BAT)
|
Cable disconnected from negative (-) battery terminal
|
6 kΩ or higher
|
D183-2 (CANL) - D16-16 (BAT)
|
Cable disconnected from negative (-) battery terminal
|
6 kΩ or higher
|
Text in Illustration
*1
|
DLC3
|
*a
|
Front view of wire harness connector
(to No. 1 CAN Junction Terminal)
|
OK |
|
REPLACE NO. 1 CAN JUNCTION TERMINAL
|
NG |
|
REPAIR OR REPLACE CAN MAIN WIRE CONNECTED TO NO. 1 CAN JUNCTION TERMINAL (CAN-H, CAN-L)
|
(a) Reconnect the D118 No. 1 CAN junction connector connector.
NEXT
|
|
|
26.
|
CHECK FOR SHORT IN CAN BUS WIRES (OUTER MIRROR CONTROL ECU ASSEMBLY RH)
|
(a) Disconnect the outer mirror control ECU assembly RH connector.
|
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
G3-9 (CANP) - G3-8 (CANN)
|
Cable disconnected from negative (-) battery terminal
|
54 to 69 Ω
|
G3-9 (CANP) - D16-4 (CG)
|
Cable disconnected from negative (-) battery terminal
|
200 Ω or higher
|
G3-8 (CANN) - D16-4 (CG)
|
Cable disconnected from negative (-) battery terminal
|
200 Ω or higher
|
G3-9 (CANP) - D16-16 (BAT)
|
Cable disconnected from negative (-) battery terminal
|
6 kΩ or higher
|
G3-8 (CANN) - D16-16 (BAT)
|
Cable disconnected from negative (-) battery terminal
|
6 kΩ or higher
|
Text in Illustration
*1
|
DLC3
|
*a
|
Front view of wire harness connector
(to Outer Mirror Control ECU Assembly RH)
|
NG |
|
REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO OUTER MIRROR CONTROL ECU ASSEMBLY RH (CAN-H, CAN-L)
|
(a) Reconnect the D119 No. 1 CAN junction connector connector.
NEXT
|
|
|
28.
|
CHECK FOR SHORT IN CAN BUS WIRES (SLIDE DOOR MOTOR UNIT RH)
|
(a) Disconnect the slide door motor unit RH connector.
|
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
I8-8 (MPX1) - I8-2 (MPX2)
|
Cable disconnected from negative (-) battery terminal
|
54 to 69 Ω
|
I8-8 (MPX1) - D16-4 (CG)
|
Cable disconnected from negative (-) battery terminal
|
200 Ω or higher
|
I8-2 (MPX2) - D16-4 (CG)
|
Cable disconnected from negative (-) battery terminal
|
200 Ω or higher
|
I8-8 (MPX1) - D16-16 (BAT)
|
Cable disconnected from negative (-) battery terminal
|
6 kΩ or higher
|
I8-2 (MPX2) - D16-16 (BAT)
|
Cable disconnected from negative (-) battery terminal
|
6 kΩ or higher
|
Text in Illustration
*1
|
DLC3
|
*a
|
Front view of wire harness connector
(to Slide Door Motor Unit RH)
|
NG |
|
REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO SLIDE DOOR MOTOR UNIT RH (CAN-H, CAN-L)
|
(a) Reconnect the D121 No. 1 CAN junction connector connector.
NEXT
|
|
|
30.
|
CHECK FOR SHORT IN CAN BUS WIRES (FRONT POWER SEAT SWITCH LH)
|
(a) Disconnect the front power seat switch LH connector.
|
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
Y9-8 - Y9-7
|
Cable disconnected from negative (-) battery terminal
|
54 to 69 Ω
|
Y9-8 - D16-4 (CG)
|
Cable disconnected from negative (-) battery terminal
|
200 Ω or higher
|
Y9-7 - D16-4 (CG)
|
Cable disconnected from negative (-) battery terminal
|
200 Ω or higher
|
Y9-8 - D16-16 (BAT)
|
Cable disconnected from negative (-) battery terminal
|
6 kΩ or higher
|
Y9-7 - D16-16 (BAT)
|
Cable disconnected from negative (-) battery terminal
|
6 kΩ or higher
|
Text in Illustration
*1
|
DLC3
|
*a
|
Front view of wire harness connector
(to Front Power Seat Switch LH)
|
NG |
|
REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO FRONT POWER SEAT SWITCH LH (CAN-H, CAN-L)
|
(a) Reconnect the D122 No. 1 CAN junction connector connector.
NEXT
|
|
|
32.
|
CHECK FOR SHORT IN CAN BUS WIRES (POWER BACK DOOR UNIT ASSEMBLY (BACK DOOR ECU))
|
(a) Disconnect the power back door unit assembly (back door ECU) connector.
|
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
K14-6 (CANP) - K14-5 (CANN)
|
Cable disconnected from negative (-) battery terminal
|
54 to 69 Ω
|
K14-6 (CANP) - D16-4 (CG)
|
Cable disconnected from negative (-) battery terminal
|
200 Ω or higher
|
K14-5 (CANN) - D16-4 (CG)
|
Cable disconnected from negative (-) battery terminal
|
200 Ω or higher
|
K14-6 (CANP) - D16-16 (BAT)
|
Cable disconnected from negative (-) battery terminal
|
6 kΩ or higher
|
K14-5 (CANN) - D16-16 (BAT)
|
Cable disconnected from negative (-) battery terminal
|
6 kΩ or higher
|
Text in Illustration
*1
|
DLC3
|
*a
|
Front view of wire harness connector
(to Power Back Door Unit Assembly (Back Door ECU))
|
NG |
|
REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO POWER BACK DOOR UNIT ASSEMBLY (BACK DOOR ECU) (CAN-H, CAN-L)
|
(a) Reconnect the D123 No. 1 CAN junction connector connector.
NEXT
|
|
|
34.
|
CHECK FOR SHORT IN CAN BUS WIRES (SLIDE DOOR MOTOR UNIT LH)
|
(a) Disconnect the slide door motor unit LH connector.
|
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
J9-11 (MPX1) - J9-5 (MPX2)
|
Cable disconnected from negative (-) battery terminal
|
54 to 69 Ω
|
J9-11 (MPX1) - D16-4 (CG)
|
Cable disconnected from negative (-) battery terminal
|
200 Ω or higher
|
J9-5 (MPX2) - D16-4 (CG)
|
Cable disconnected from negative (-) battery terminal
|
200 Ω or higher
|
J9-11 (MPX1) - D16-16 (BAT)
|
Cable disconnected from negative (-) battery terminal
|
6 kΩ or higher
|
J9-5 (MPX2) - D16-16 (BAT)
|
Cable disconnected from negative (-) battery terminal
|
6 kΩ or higher
|
Text in Illustration
*1
|
DLC3
|
*a
|
Front view of wire harness connector
(to Slide Door Motor Unit LH)
|
NG |
|
REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO SLIDE DOOR MOTOR UNIT LH (CAN-H, CAN-L)
|
(a) Reconnect the D124 No. 1 CAN junction connector connector.
NEXT
|
|
|
36.
|
CHECK FOR SHORT IN CAN BUS WIRES (OUTER MIRROR CONTROL ECU ASSEMBLY LH)
|
(a) Disconnect the outer mirror control ECU assembly LH connector.
|
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
H2-9 (CANP) - H2-8 (CANN)
|
Cable disconnected from negative (-) battery terminal
|
54 to 69 Ω
|
H2-9 (CANP) - D16-4 (CG)
|
Cable disconnected from negative (-) battery terminal
|
200 Ω or higher
|
H2-8 (CANN) - D16-4 (CG)
|
Cable disconnected from negative (-) battery terminal
|
200 Ω or higher
|
H2-9 (CANP) - D16-16 (BAT)
|
Cable disconnected from negative (-) battery terminal
|
6 kΩ or higher
|
H2-8 (CANN) - D16-16 (BAT)
|
Cable disconnected from negative (-) battery terminal
|
6 kΩ or higher
|
Text in Illustration
*1
|
DLC3
|
*a
|
Front view of wire harness connector
(to Outer Mirror Control ECU Assembly LH)
|
NG |
|
REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO OUTER MIRROR CONTROL ECU ASSEMBLY LH (CAN-H, CAN-L)
|
(a) Reconnect the D120 No. 1 CAN junction connector connector.
NEXT
|
|
|
38.
|
CHECK FOR SHORT IN CAN BUS WIRES (MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU))
|
(a) Disconnect the main body ECU (multiplex network body ECU) connector.
|
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
D14-9 (CANP) - D14-10 (CANN)
|
Cable disconnected from negative (-) battery terminal
|
108 to 132 Ω
|
D14-9 (CANP) - D16-4 (CG)
|
Cable disconnected from negative (-) battery terminal
|
200 Ω or higher
|
D14-10 (CANN) - D16-4 (CG)
|
Cable disconnected from negative (-) battery terminal
|
200 Ω or higher
|
D14-9 (CANP) - D16-16 (BAT)
|
Cable disconnected from negative (-) battery terminal
|
6 kΩ or higher
|
D14-10 (CANN) - D16-16 (BAT)
|
Cable disconnected from negative (-) battery terminal
|
6 kΩ or higher
|
Text in Illustration
*1
|
DLC3
|
*a
|
Front view of wire harness connector
(to Main Body ECU (Multiplex Network Body ECU))
|
NG |
|
REPAIR OR REPLACE CAN MAIN WIRE CONNECTED TO MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) (CAN-H, CAN-L)
|
39.
|
CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - POWER SOURCE)
|
(a) Disconnect the instrument panel junction block assembly connectors.
|
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
2D-28 - Body ground
|
Cable disconnected from negative (-) battery terminal
|
Below 1 Ω
|
(c) Reconnect the cable to the negative (-) battery terminal.
NOTICE:
When disconnecting the cable, some systems need to be initialized after the cable is reconnected (See page
).
(d) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection
|
Condition
|
Specified Condition
|
2K-1 - Body ground
|
Always
|
11 to 14 V
|
Text in Illustration
*a
|
Front view of wire harness connector
(to Instrument Panel Junction Block Assembly)
|
NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR
|
OK
|
|
|
40.
|
INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY
|
(a) Remove the instrument panel junction block assembly (See page
).
(b) Remove the main body ECU (multiplex network body ECU) from the instrument panel junction block assembly (See page
).
(c) Measure the resistance according to the value(s) in the table below.
Text in Illustration
*a
|
Component without harness connected
(Instrument Panel Junction Block Assembly)
|
-
|
-
|
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
2K-1 - 2I-31 (ALTB)
|
Always
|
Below 1 Ω
|
2D-28 - 2I-11 (GND1)
|
Always
|
Below 1 Ω
|
|