NAVIGATION SYSTEM (for Radio and Display Type) Data Signal Circuit between Stereo Jack Adapter and Extension Module

DESCRIPTION

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

WIRING DIAGRAM

B000HR5E41

INSPECTION PROCEDURE

PROCEDURE


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


    1. B000NLTE10
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Navigation ECU)
      *b

      Front view of wire harness connector

      (to No. 1 Stereo Jack Adapter Assembly)

      Disconnect the u4 navigation ECU connector.

    2. Disconnect the I207 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
      u4-2 (USI-) - I207-2 (UDO-) Always Below 1 Ω
      u4-3 (USI+) - I207-3 (UDO+) Always Below 1 Ω
      u4-5 (USG1) - I207-5 (USG1) Always Below 1 Ω
      u4-2 (USI-) - Body ground Always 10 kΩ or higher
      u4-3 (USI+) - Body ground Always 10 kΩ or higher
      u4-5 (USG1) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

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