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

B001KRQE26
*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 Click here.

PROCEDURE


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


    1. Disconnect the H174 and H167 No. 1 stereo jack adapter assembly connectors.

    2. A00503FE02
      Text in Illustration
      *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
      H174-1 (UP1) - Body ground Power switch on (ACC) 5 V
      H167-12 (ACC) - Body ground Power switch on (ACC) 11 to 14 V

    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 H173 radio receiver assembly connector.

    2. Disconnect the H174 No. 1 stereo jack adapter assembly connector.

    3. A004Y95E02
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Radio Receiver Assembly)
      A004WSXE02
      Text in Illustration
      *a

      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
      H174-1 (UP1) - H173-1 (USV1) Always Below 1 Ω
      H174-1 (UP1) - Body ground Always 10 kΩ or higher

    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 H158 radio receiver assembly connector.

    2. Disconnect the H167 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
      H158-11 (ACC) - H167-12 (ACC) Always Below 1 Ω
      H158-11 (ACC) - Body ground Always 10 kΩ or higher

    OK

    REPLACE RADIO RECEIVER ASSEMBLY Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR