Last Modified: 11-20-2023 6.11:8.1.0 Doc ID: RM1000000015G7Q
Model Year Start: 2018 Model: Camry HV Prod Date Range: [07/2017 -           ]
Title: HYBRID / BATTERY CONTROL: HYBRID CONTROL SYSTEM (for LITHIUM-ION BATTERY): Indicator Circuit; 2018 - 2024 MY Camry HV [07/2017 -        ]

Indicator Circuit

DESCRIPTION

In accordance with the shift lever position, each shift position indicator light will turn on.

WIRING DIAGRAM

PROCEDURE

1.

CHECK SHIFT POSITION INDICATOR

(a) Turn the power switch on (ACC).

(b) Check that each shift position indicator light turns on correctly.

Result

Proceed to

All shift position indicator lights turn on simultaneously

A

Shift position indicator lights other than corresponding one turn on

B

Corresponding shift position indicator light does not turn on

C

No shift position indicator lights turn on

D

(c) Turn the power switch off.

B

GO TO STEP 2

C

GO TO STEP 4

D

GO TO STEP 4

A

2.

CHECK HARNESS AND CONNECTOR (CHECK FOR SHORT TO GND)

(a) Disconnect the K69 and K70 hybrid vehicle control ECU assembly connectors.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

K70-13 (INDP) - Body ground and other terminals

Always

10 kΩ or higher

K69-8 (INDR) - Body ground and other terminals

Always

10 kΩ or higher

K70-12 (INDN) - Body ground and other terminals

Always

10 kΩ or higher

K70-11 (INDD) - Body ground and other terminals

Always

10 kΩ or higher

K70-10 (INDM) - Body ground and other terminals

Always

10 kΩ or higher

*a

Rear view of wire harness connector

(to Hybrid Vehicle Control ECU Assembly)

(c) Reconnect the K69 and K70 hybrid vehicle control ECU assembly connectors.

OK

REPLACE HYBRID VEHICLE CONTROL ECU ASSEMBLY 2018 - 2020 MY Camry HV [07/2017 - 10/2020]; HYBRID / BATTERY CONTROL: HYBRID VEHICLE CONTROL ECU: REMOVAL 2021 - 2024 MY Camry HV [10/2020 -        ]; HYBRID / BATTERY CONTROL: HYBRID VEHICLE CONTROL ECU: REMOVAL

NG

3.

CHECK HARNESS AND CONNECTOR (HYBRID VEHICLE CONTROL ECU ASSEMBLY - SHIFT POSITION INDICATOR)

(a) Disconnect the K69 and K70 hybrid vehicle control ECU assembly connectors.

(b) Disconnect the K79 shift position indicator connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

K70-13 (INDP) or K79-4 (P) - Body ground and other terminals

Always

10 kΩ or higher

K69-8 (INDR) or K79-3 (R) - Body ground and other terminals

Always

10 kΩ or higher

K70-12 (INDN) or K79-2 (N) - Body ground and other terminals

Always

10 kΩ or higher

K70-11 (INDD) or K79-1 (D) - Body ground and other terminals

Always

10 kΩ or higher

K70-10 (INDM) or K79-8 (S) - Body ground and other terminals

Always

10 kΩ or higher

*a

Rear view of wire harness connector

(to Hybrid Vehicle Control ECU Assembly)

*b

Front view of wire harness connector

(to Shift Position Indicator)

(d) Reconnect the K79 shift position indicator connector.

(e) Reconnect the K69 and K70 hybrid vehicle control ECU assembly connectors.

OK

REPLACE SHIFT POSITION INDICATOR

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

4.

CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT)

(a) Disconnect the K79 shift position indicator connector.

(b) Turn the power switch on (ACC).

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

Standard Voltage:

Tester Connection

Condition

Specified Condition

K79-10 (PWR) - Body ground

Power switch on (ACC)

11 to 14 V

*a

Front view of wire harness connector

(to Shift Position Indicator)

(d) Turn the power switch off.

(e) Reconnect the K79 shift position indicator connector.

NG

REPAIR OR REPLACE POWER SOURCE CIRCUIT
OK

5.

CHECK HARNESS AND CONNECTOR (POWER SOURCE TERMINAL ACCI)

(a) Turn the power switch on (ACC).

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

Standard Voltage:

Tester Connection

Condition

Specified Condition

A28-22 (ACCI) - Body ground

Power switch on (ACC)

11 to 14 V

*a

Component with harness connected

(Hybrid Vehicle Control ECU Assembly)

(c) Turn the power switch off.

NG

REPAIR OR REPLACE POWER SOURCE CIRCUIT
OK

6.

CHECK HARNESS AND CONNECTOR (CHECK FOR OPEN)

(a) Disconnect the K69 and K70 hybrid vehicle control ECU assembly connector.

(b) Turn the power switch on (ACC).

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

Standard Voltage:

Tester Connection

Condition

Specified Condition

K70-13 (INDP) - Body ground and other terminals

Power switch on (ACC)

11 to 14 V

K69-8 (INDR) - Body ground and other terminals

Power switch on (ACC)

11 to 14 V

K70-12 (INDN) - Body ground and other terminals

Power switch on (ACC)

11 to 14 V

K70-11 (INDD) - Body ground and other terminals

Power switch on (ACC)

11 to 14 V

K70-10 (INDM) - Body ground and other terminals

Power switch on (ACC)

11 to 14 V

*a

Rear view of wire harness connector

(to Hybrid Vehicle Control ECU Assembly)

(d) Turn the power switch off.

(e) Reconnect the K69 and K70 hybrid vehicle control ECU assembly connector.

OK

REPLACE HYBRID VEHICLE CONTROL ECU ASSEMBLY 2018 - 2020 MY Camry HV [07/2017 - 10/2020]; HYBRID / BATTERY CONTROL: HYBRID VEHICLE CONTROL ECU: REMOVAL 2021 - 2024 MY Camry HV [10/2020 -        ]; HYBRID / BATTERY CONTROL: HYBRID VEHICLE CONTROL ECU: REMOVAL

NG

7.

CHECK HARNESS AND CONNECTOR (HYBRID VEHICLE CONTROL ECU ASSEMBLY - SHIFT POSITION INDICATOR)

(a) Disconnect the K69 and K70 hybrid vehicle control ECU assembly connectors.

(b) Disconnect the K79 shift position indicator connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

K70-13 (INDP) - K79-4 (P)

Always

Below 1 Ω

K69-8 (INDR) - K79-3 (R)

Always

Below 1 Ω

K70-12 (INDN) - K79-2 (N)

Always

Below 1 Ω

K70-11 (INDD) - K79-1 (D)

Always

Below 1 Ω

K70-10 (INDM) - K79-8 (S)

Always

Below 1 Ω

*a

Rear view of wire harness connector

(to Hybrid Vehicle Control ECU Assembly)

*b

Front view of wire harness connector

(to Shift Position Indicator)

(d) Reconnect the K79 shift position indicator connector.

(e) Reconnect the K69 and K70 hybrid vehicle control ECU assembly connectors.

OK

REPLACE SHIFT POSITION INDICATOR

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR