HYBRID CONTROL SYSTEM Indicator Circuit

DESCRIPTION

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

WIRING DIAGRAM

A0003NVE02

PROCEDURE


  1. CHECK SHIFT POSITION INDICATOR


    1. Turn the power switch on (ACC).

    2. Check that each shift position indicator light turns on correctly.

      Result
      Result Proceed to
      All shift position indicator lights turn on simultaneously A
      Shift position indicator lights other than corresponding one turn on A
      Corresponding shift position indicator light does not turn on B
      No shift position indicator lights turn on B

    3. Turn the power switch off.


    B

    CHECK FUSE (ECU-ACC) Click here

    A

  2. CHECK HARNESS AND CONNECTOR (CHECK FOR SHORT TO GND)


    1. Disconnect the H211 and H212 hybrid vehicle control ECU assembly connectors.

    2. A0007SHE02
      Text in Illustration
      *a

      Rear view of wire harness connector

      (to Hybrid Vehicle Control ECU Assembly)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      H212-13 (INDP) - Body ground and other terminals Always 10 kΩ or higher
      H211-8 (INDR) - Body ground and other terminals Always 10 kΩ or higher
      H212-12 (INDN) - Body ground and other terminals Always 10 kΩ or higher
      H212-11 (INDD) - Body ground and other terminals Always 10 kΩ or higher
      H212-10 (INDM) - Body ground and other terminals Always 10 kΩ or higher
      Result
      Result Proceed to
      OK A
      NG B

    3. Reconnect the H211 and H212 hybrid vehicle control ECU assembly connectors.


    A

    REPLACE HYBRID VEHICLE CONTROL ECU ASSEMBLY Click here

    B

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


    1. Disconnect the H211 and H212 hybrid vehicle control ECU assembly connectors.

    2. Disconnect the H193 shift position indicator connector.

    3. A000603E02
      Text in Illustration
      *a

      Rear view of wire harness connector

      (to Hybrid Vehicle Control ECU Assembly)
      *b

      Front view of wire harness connector

      (to Shift Position Indicator)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      H212-13 (INDP) or H193-5 (P) - Body ground and other terminals Always 10 kΩ or higher
      H211-8 (INDR) or H193-4 (R) - Body ground and other terminals Always 10 kΩ or higher
      H212-12 (INDN) or H193-3 (N) - Body ground and other terminals Always 10 kΩ or higher
      H212-11 (INDD) or H193-2 (D) - Body ground and other terminals Always 10 kΩ or higher
      H212-10 (INDM) or H193-1 (S) - Body ground and other terminals Always 10 kΩ or higher

    4. Reconnect the H193 shift position indicator connector.

    5. Reconnect the H211 and H212 hybrid vehicle control ECU assembly connectors.


    OK

    REPLACE SHIFT POSITION INDICATOR

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  4. CHECK FUSE (ECU-ACC)


    1. Remove the ECU-ACC fuse from the instrument panel junction block assembly.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      ECU-ACC fuse Always Below 1 Ω

    3. Install the ECU-ACC fuse.


    NG

    REPLACE FUSE (ECU-ACC)

    OK

  5. CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT)


    1. Disconnect the H193 shift position indicator connector.

    2. Turn the power switch on (ACC).

    3. A0006QOE02
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Shift Position Indicator)

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      H193-8 (PWR) - Body ground Power switch on (ACC) 11 to 14 V

    4. Turn the power switch off.

    5. Reconnect the H193 shift position indicator connector.


    NG

    REPAIR OR REPLACE POWER SOURCE CIRCUIT

    OK

  6. CHECK HARNESS AND CONNECTOR (POWER SOURCE TERMINAL ACCI)


    1. Turn the power switch on (ACC).

    2. A0007VCE02
      Text in Illustration
      *a

      Component with harness connected

      (Hybrid Vehicle Control ECU Assembly)

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      A78-22 (ACCI) - Body ground Power switch on (ACC) 11 to 14 V

    3. Turn the power switch off.


    NG

    REPAIR OR REPLACE POWER SOURCE CIRCUIT

    OK

  7. CHECK HARNESS AND CONNECTOR (CHECK FOR OPEN)


    1. Disconnect the H211 and H212 hybrid vehicle control ECU assembly connectors.

    2. Turn the power switch on (ACC).

    3. A0007SHE02
      Text in Illustration
      *a

      Rear view of wire harness connector

      (to Hybrid Vehicle Control ECU Assembly)

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      H212-13 (INDP) - Body ground and other terminals Power switch on (ACC) 11 to 14 V
      H211-8 (INDR) - Body ground and other terminals Power switch on (ACC) 11 to 14 V
      H212-12 (INDN) - Body ground and other terminals Power switch on (ACC) 11 to 14 V
      H212-11 (INDD) - Body ground and other terminals Power switch on (ACC) 11 to 14 V
      H212-10 (INDM) - Body ground and other terminals Power switch on (ACC) 11 to 14 V
      Result
      Result Proceed to
      OK A
      NG B

    4. Turn the power switch off.

    5. Reconnect the H211 and H212 hybrid vehicle control ECU assembly connectors.


    A

    REPLACE HYBRID VEHICLE CONTROL ECU ASSEMBLY Click here

    B

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


    1. Disconnect the H211 and H212 hybrid vehicle control ECU assembly connectors.

    2. Disconnect the H193 shift position indicator connector.

    3. A000603E02
      Text in Illustration
      *a

      Rear view of wire harness connector

      (to Hybrid Vehicle Control ECU Assembly)
      *b

      Front view of wire harness connector

      (to Shift Position Indicator)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      H212-13 (INDP) - H193-5 (P) Always Below 1 Ω
      H211-8 (INDR) - H193-4 (R) Always Below 1 Ω
      H212-12 (INDN) - H193-3 (N) Always Below 1 Ω
      H212-11 (INDD) - H193-2 (D) Always Below 1 Ω
      H212-10 (INDM) - H193-1 (S) Always Below 1 Ω

    4. Reconnect the H193 shift position indicator connector.

    5. Reconnect the H211 and H212 hybrid vehicle control ECU assembly connectors.


    OK

    REPLACE SHIFT POSITION INDICATOR

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR