REAR SEAT ENTERTAINMENT SYSTEM Power Source Circuit

DESCRIPTION

This is the power source circuit to operate the multi-display controller sub-assembly, television display assembly and disc player assembly.

WIRING DIAGRAM

B004WFGE03

CAUTION / NOTICE / HINT

Note


  • Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Rear Seat Entertainment System.

    Click here

  • Inspect the fuses and relays for circuits related to this system before performing the following procedure.

PROCEDURE


  1. CHECK OPERATION


    1. Check which television display assembly does not operate.

      Result
      Result Proceed to
      Television display assembly RH does not operate. A
      Television display assembly LH does not operate. B
      Disc player assembly does not operate. C
      Multi-display controller sub-assembly does not operate. D

    B

    CHECK HARNESS AND CONNECTOR (TELEVISION DISPLAY ASSEMBLY LH - BATTERY AND BODY GROUND) Click here

    C

    CHECK HARNESS AND CONNECTOR (TELEVISION DISPLAY ASSEMBLY LH - BATTERY AND BODY GROUND) Click here

    D

    CHECK HARNESS AND CONNECTOR (TELEVISION DISPLAY ASSEMBLY LH - BATTERY AND BODY GROUND) Click here

    A

  2. CHECK HARNESS AND CONNECTOR (TELEVISION DISPLAY ASSEMBLY RH - BATTERY AND BODY GROUND)


    1. Disconnect the L142 television display assembly RH connector.

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      L142-6 (+B) - Body ground Power switch off 11 to 14 V

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      L142-10 (GND4) - Body ground Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    OK

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  3. CHECK HARNESS AND CONNECTOR (TELEVISION DISPLAY ASSEMBLY LH - BATTERY AND BODY GROUND)


    1. Disconnect the L141 television display assembly LH connector.

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      L141-6 (+B) - Body ground Power switch off 11 to 14 V

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      L141-10 (GND4) - Body ground Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    OK

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  4. CHECK HARNESS AND CONNECTOR (TELEVISION DISPLAY ASSEMBLY LH - BATTERY AND BODY GROUND)


    1. Disconnect the L140 disc player assembly connector.

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      L140-8 (+B) - Body ground Power switch off 11 to 14 V
      L140-7 (ACC) - Body ground Power switch on (ACC) 11 to 14 V

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      L140-13 (GND) - Body ground Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    OK

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  5. CHECK HARNESS AND CONNECTOR (TELEVISION DISPLAY ASSEMBLY LH - BATTERY AND BODY GROUND)


    1. Disconnect the L140 disc player assembly connector.

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      L138-1 (+B) - Body ground Power switch off 11 to 14 V

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      L138-14 (GND) - Body ground Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    OK

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR