AUDIO AND VISUAL SYSTEM(for Radio and Display Type) 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

A004W7TE10
*a Radio Receiver Assembly
*b No. 1 Stereo Jack Adapter Assembly

PROCEDURE


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


    1. A004XC9E03
      Text in Illustration
      *a

      Front view of wire harness connector

      (to No. 1 Stereo Jack Adapter Assembly)

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

    2. 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) - H167-5 (GND) 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 H175 radio receiver assembly connector.

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

    3. A004Z69E03
      Text in Illustration
      *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
      H174-1 (UP1) - H175-1 (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 H169 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
      H169-3 (ACC2) - H167-12 (ACC) Always Below 1 Ω
      H169-8 (GND2) - H167-5 (GND) Always Below 1 Ω
      H169-3 (ACC2) - Body ground Always 10 kΩ or higher
      H169-8 (GND2) - Body ground Always 10 kΩ or higher

    OK

    REPLACE RADIO RECEIVER ASSEMBLY Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR