NAVIGATION SYSTEM(for Navigation Receiver Type) Data Signal Circuit between Navigation Receiver Assembly 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 navigation receiver assembly via this circuit.

WIRING DIAGRAM

A01QVLRE26
*a (Shielded)
*b No. 1 Stereo Jack Adapter Assembly
*c Navigation Receiver Assembly
*d Data Signal (USB Communication Line)

PROCEDURE


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


    1. Disconnect the F119 navigation receiver assembly connector.

    2. Disconnect the F74 No. 1 stereo jack adapter assembly connector.

    3. A01QVWOC23
      *a

      Front view of wire harness connector

      (to Navigation Receiver Assembly)
      *b

      Front view of wire harness connector

      (to No. 1 Stereo Jack Adapter Assembly)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      F74-2 (US1-) - F119-2 (US1-) Always Below 1 Ω
      F74-3 (US1+) - F119-3 (US1+) Always Below 1 Ω
      F74-5 (USG1) - F119-5 (USG1) Always Below 1 Ω
      F74-2 (US1-) - Body ground Always 10 kΩ or higher
      F74-3 (US1+) - Body ground Always 10 kΩ or higher
      F74-5 (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