REAR SEAT ENTERTAINMENT SYSTEM (for Seatback) Mute Signal Circuit between Multi-display Controller and Television Display Assembly

DESCRIPTION

This is the mute signal circuit between the multi-display controller sub-assembly and television display assembly.

WIRING DIAGRAM

A01ESE9E04

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK MULTI-DISPLAY CONTROLLER SUB-ASSEMBLY


    1. A01EP4ZE03
      Text in Illustration
      *a

      Component with harness connected

      (Multi-display Controller Sub-assembly)

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      L55-2 (MUT1) - Body ground RSE playing → Source changed 3.5 V or higher → Below 1 V
      L55-6 (MUT2) - Body ground RSE playing → Source changed 3.5 V or higher → Below 1 V

    NG

    CHECK HARNESS AND CONNECTOR (MULTI-DISPLAY CONTROLLER SUB-ASSEMBLY - TELEVISION DISPLAY ASSEMBLY RH AND LH) Click here

    OK

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

  2. CHECK HARNESS AND CONNECTOR (MULTI-DISPLAY CONTROLLER SUB-ASSEMBLY - TELEVISION DISPLAY ASSEMBLY RH AND LH)


    1. Disconnect the L55 multi-display controller sub-assembly connector.

    2. Disconnect the c60 television display assembly RH connector.

    3. Disconnect the c61 television display assembly LH connector.

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

      Standard Resistance
      for RH
      Tester Connection Condition Specified Condition
      L55-2 (MUT1) - c60-5 (MUTE) Always Below 1 Ω
      L55-2 (MUT1) - Body ground Always 10 kΩ or higher
      for LH
      Tester Connection Condition Specified Condition
      L55-6 (MUT2) - c61-5 (MUT2) Always Below 1 Ω
      L55-6 (MUT2) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. CHECK MULTI-DISPLAY CONTROLLER SUB-ASSEMBLY


    1. A01EOORE30
      Text in Illustration
      *A for RH
      *B for LH
      *a

      Front view of wire harness connector

      (to Television Display Assembly)

      Disconnect the c60 television display assembly RH connector.

    2. Disconnect the c61 television display assembly LH connector.

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

      Standard Voltage
      for RH
      Tester Connection Condition Specified Condition
      c60-5 (MUTE) - Body ground RSE playing → Source changed 3.5 V or higher → Below 1 V
      for LH
      Tester Connection Condition Specified Condition
      c61-5 (MUT2) - Body ground RSE playing → Source changed 3.5 V or higher → Below 1 V
      Result
      Result Proceed to
      OK (for RH) A
      OK (for LH) B
      NG C

    B

    REPLACE TELEVISION DISPLAY ASSEMBLY LH Click here

    C

    REPLACE MULTI-DISPLAY CONTROLLER SUB-ASSEMBLY Click here

    A

    REPLACE TELEVISION DISPLAY ASSEMBLY RH Click here