AUDIO AND VISUAL 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

B004U2SE65
*a No. 1 Stereo Jack Adapter Assembly
*b Radio Receiver Assembly

CAUTION / NOTICE / HINT

Note

When replacing the radio receiver assembly, always replace it with a new one.

If a radio receiver assembly which was installed to another vehicle is used, the following may occur:


  • A communication malfunction DTC may be stored.

  • The radio receiver assembly may not operate normally.

Tech Tips

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

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PROCEDURE


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


    1. Disconnect the G143 and G85 No. 1 stereo jack adapter assembly connectors.

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      G143-1 (UP1) - Body ground Power switch on (ACC) 5 V
      G85-8 (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 G52 and G138 radio receiver assembly connectors.

    2. Disconnect the G85 and G143 No. 1 stereo jack adapter assembly connectors.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      G52-16 (ACC) - G85-8 (ACC) Always Below 1 Ω
      G138-1 (USV1) - G143-1 (UP1) Always Below 1 Ω
      G52-16 (ACC) or G85-8 (ACC) - Body ground Always 10 kΩ or higher
      G138-1 (USV1) or G143-1 (UP1) - 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