AUDIO AND VISUAL SYSTEM Data Signal Circuit between Radio Receiver and Stereo Jack Adapter

DESCRIPTION

The No. 1 stereo jack adapter assembly sends the sound data signal or image data signal from a USB device to the radio receiver assembly via this circuit.

WIRING DIAGRAM

A01W3DLE01

PROCEDURE


  1. CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY - NO. 1 STEREO JACK ADAPTER ASSEMBLY)


    1. Disconnect the H155 radio receiver assembly connector (for LHD).

    2. Disconnect the H171 radio receiver assembly connector (for RHD).

    3. Disconnect the H176 No. 1 stereo jack adapter assembly connector.

    4. A01W5LAC02
      *a

      Front view of wire harness connector

      (to Radio Receiver Assembly)
      *b

      Front view of wire harness connector

      (to No. 1 Stereo Jack Adapter Assembly)
      *1 for LHD
      *2 for RHD

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      H155-2 (US1-) - H176-2 (US1-)*1 Always Below 1 Ω
      H155-3 (US1+) - H176-3 (US1+)*1 Always Below 1 Ω
      H155-5 (USG1) - H176-5 (UJSS)*1 Always Below 1 Ω
      H155-2 (US1-) - Body ground*1 Always 10 kΩ or higher
      H155-3 (US1+) - Body ground*1 Always 10 kΩ or higher
      H155-5 (USG1) - Body ground*1 Always 10 kΩ or higher
      H171-2 (US1-) - H176-2 (US1-)*2 Always Below 1 Ω
      H171-3 (US1+) - H176-3 (US1+)*2 Always Below 1 Ω
      H171-5 (USG1) - H176-5 (UJSS)*2 Always Below 1 Ω
      H171-2 (US1-) - Body ground*2 Always 10 kΩ or higher
      H171-3 (US1+) - Body ground*2 Always 10 kΩ or higher
      H171-5 (USG1) - Body ground*2 Always 10 kΩ or higher

      • *1: for LHD

        *2: for RHD


    OK

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

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR