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

B005ALVE55
*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 Navigation System.

Click here

PROCEDURE


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


    1. Disconnect the I172 and I156 No. 1 stereo jack adapter assembly connectors.

    2. B00571MC04
      *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 Switch Condition Specified Condition
      I172-1 (UP1) - Body ground Engine switch on (ACC) 4.75 to 5.25 V
      I156-8 (ACC) - Body ground Engine 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 I152 and I170 radio receiver assembly connectors.

    2. Disconnect the I156 and I172 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
      I152-16 (ACC) - I156-8 (ACC) Always Below 1 Ω
      I170-1 (USV1) - I172-1 (UP1) Always Below 1 Ω
      I152-16 (ACC) or I156-8 (ACC) - Body ground Always 10 kΩ or higher
      I170-1 (USV1) or I172-1 (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