NAVIGATION SYSTEM(for Radio and Display Type) 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 and display receiver assembly via this circuit.

WIRING DIAGRAM

B006OXTE02
*a Shielded
*b No. 1 Stereo Jack Adapter Assembly
*c Radio and Display Receiver Assembly
*d Data Signal (USB Communication Line)

PROCEDURE


  1. CHECK HARNESS AND CONNECTOR (NAVIGATION ECU - NO. 1 STEREO JACK ADAPTER ASSEMBLY)


    1. Disconnect the F42 radio and display receiver assembly connector.

    2. Disconnect the L36 No. 1 stereo jack adapter assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      F42-2 (US1-) - L36-2 (UDO-) Always Below 1 Ω
      F42-3 (US1+) -L36-3 (UDO+) Always Below 1 Ω
      F42-2 (US1-) - Body ground Always 10 kΩ or higher
      F42-3 (US1+) - Body ground Always 10 kΩ or higher
      F42-5 (USG1) - Body ground Always 10 kΩ or higher
      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