NAVIGATION SYSTEM Stereo Jack Adapter Light does not Illuminate

DESCRIPTION

Power is supplied to the No. 1 stereo jack adapter assembly illumination from the radio receiver assembly.

WIRING DIAGRAM

A0007PRE46
*a No. 1 Stereo Jack Adapter Assembly
*b Radio Receiver Assembly

CAUTION / NOTICE / HINT

Note

Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Navigation System.

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PROCEDURE


  1. CHECK HARNESS AND CONNECTOR (NO. 1 STEREO JACK ADAPTER ASSEMBLY ILLUMINATION POWER SOURCE)


    1. Disconnect the H188 and H185 No. 1 stereo jack adapter assembly connectors.

    2. A0007VGC03
      *a

      Front view of wire harness connector

      (to No. 1 Stereo Jack Adapter Assembly)

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      H188-1 (USV1) - Body ground Power switch on (ACC) 5 V
      H185-12 (ACC) - Body ground Power switch on (ACC) 11 to 14 V
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE NO. 1 STEREO JACK ADAPTER ASSEMBLY Click here

    NG

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


    1. Disconnect the H164 radio receiver assembly connector (for LHD).

      Disconnect the H172 radio receiver assembly connector (for RHD).

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

    3. A0008NVC01
      *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)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      H188-1 (USV1) - H187-1 (USV1) Always Below 1 Ω
      H188-1 (USV1) or H187-1 (USV1) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

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


    1. Disconnect the H94 radio receiver assembly connector.

    2. Disconnect the H185 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
      H94-11 (ACC) - H185-12 (ACC) Always Below 1 Ω
      H94-11 (ACC) or H185-12 (ACC) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE RADIO RECEIVER ASSEMBLY Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR