REAR SEAT ENTERTAINMENT SYSTEM(for 9 Inch) AVC-LAN Circuit

DESCRIPTION

Each unit of the rear seat entertainment system connected to the AVC-LAN (communication bus) transmits switch signals through the AVC-LAN.

If a short to +B or short to ground occurs in the AVC-LAN, the rear seat entertainment system will not function normally because communication is not possible.

WIRING DIAGRAM

B006PFWE02

CAUTION / NOTICE / HINT

Tech Tips

The navigation receiver assembly*1 or radio and display receiver assembly*2 is the master unit.


  • *1: for Navigation Receiver Type

  • *2: for Radio and Display Type

PROCEDURE


  1. INSPECT NAVIGATION RECEIVER ASSEMBLY OR RADIO AND DISPLAY RECEIVER ASSEMBLY


    1. Remove the navigation receiver assembly*1 or radio and display receiver assembly*2.

      Click here

    2. B006PK1C07
      *a

      Component without harness connected

      (Navigation Receiver Assembly*1 or Radio and Display Receiver Assembly*2)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      9 (TX+) - 10 (TX-) Always 60 to 80 Ω

      • *1: for Navigation Receiver Type

      • *2: for Radio and Display Type

      Result
      Result Proceed to
      OK A
      NG (for Navigation Receiver Type) B
      NG (for Radio and Display Type) C

    B

    REPLACE NAVIGATION RECEIVER ASSEMBLY Click here

    C

    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY Click here

    A

  2. CHECK HARNESS AND CONNECTOR (AVC-LAN CIRCUIT)


    1. for Navigation Receiver Type


      1. Disconnect the F5 navigation receiver assembly connector.

      2. Disconnect the S36 television display assembly connector.

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

        Standard Resistance
        Tester Connection Condition Specified Condition
        S36-3 (TX1+) - F5-9 (TX+) Always Below 1 Ω
        S36-4 (TX1-) - F5-10 (TX-) Always Below 1 Ω
        S36-3 (TX1+) or F5-9 (TX+) - Body ground Always 10 kΩ or higher
        S36-4 (TX1-) or F5-10 (TX-) - Body ground Always 10 kΩ or higher

    2. for Radio and Display Type.


      1. Disconnect the F41 radio and display receiver assembly connector.

      2. Disconnect the S36 television display assembly connector.

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

        Standard Resistance
        Tester Connection Condition Specified Condition
        S36-3 (TX1+) - F41-9 (TX+) Always Below 1 Ω
        S36-4 (TX1-) - F41-10 (TX-) Always Below 1 Ω
        S36-3 (TX1+) or F41-9 (TX+) - Body ground Always 10 kΩ or higher
        S36-4 (TX1-) or F41-10 (TX-) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. INSPECT MALFUNCTIONING PARTS


    1. Disconnect and reconnect each slave unit one by one until the master unit returns to normal operation.

      Tech Tips


      • Check all slave units.

      • If disconnecting a slave unit causes the master unit to return to normal operation, the slave unit is defective and should be replaced.

      OK
      Master unit returns to normal operation.
      Result
      Result Proceed to
      OK A
      NG (for Navigation Receiver Type) B
      NG (for Radio and Display Type) C

    A

    REPLACE MALFUNCTIONING PARTS

    B

    REPLACE NAVIGATION RECEIVER ASSEMBLY Click here

    C

    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY Click here