NAVIGATION SYSTEM(for SD) Sound Signal Circuit between Navigation Receiver Assembly and Stereo Component Amplifier

DTC Code DTC Name
Sound Signal Circuit between Navigation Receiver Assembly and Stereo Component Amplifier

DESCRIPTION

The navigation receiver assembly sends a sound signal to the stereo component amplifier assembly via this circuit.

The sound signal that has been sent is amplified by the stereo component amplifier assembly, and then is sent to the speakers.

WIRING DIAGRAM

E289275E03

CAUTION / NOTICE / HINT

Note:

Check that the wire harness is properly installed and does not have any sharp bends, pinching or loose connections.

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PROCEDURE

  1. CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - STEREO COMPONENT AMPLIFIER ASSEMBLY)

    1. Disconnect the G137 navigation receiver assembly connector.

    2. Disconnect the M32 stereo component amplifier assembly connector.

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

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      M32-5 (R+) - G137-1 (FR+)

      Always

      Below 1 Ω

      M32-4 (R-) - G137-5 (FR-)

      Always

      Below 1 Ω

      M32-3 (L+) - G137-2 (FL+)

      Always

      Below 1 Ω

      M32-2 (L-) - G137-6 (FL-)

      Always

      Below 1 Ω

      M32-6 (SLD) - Body ground

      Always

      10 kΩ or higher

      M32-5 (R+) - Body ground

      Always

      10 kΩ or higher

      M32-4 (R-) - Body ground

      Always

      10 kΩ or higher

      M32-3 (L+) - Body ground

      Always

      10 kΩ or higher

      M32-2 (L-) - Body ground

      Always

      10 kΩ or higher

    Result

    Proceed to

    OK

    NG
    OK

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

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    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR