AUDIO AND VISUAL SYSTEM(except 8 Speakers) Illumination Circuit

DESCRIPTION

Power is supplied to the radio receiver assembly and steering pad switch assembly when the light control switch is in the tail or head position.

WIRING DIAGRAM

B005A93E01

CAUTION / NOTICE / HINT

Note


  • The vehicle is equipped with a Supplemental Restraint System (SRS) which includes components such as airbags. Before servicing (including removal or installation of parts), be sure to read the precaution for Supplemental Restraint System.

    Click here

  • Inspect the fuses for circuits related to this system before performing the following procedure.

  • 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.

    Click here

PROCEDURE


  1. CHECK METER / GAUGE SYSTEM


    1. Check if the rheostat function operates normally.

      OK
      The rheostat function operates normally.
      Result
      Proceed to
      OK
      NG

    NG

    GO TO METER / GAUGE SYSTEM Click here

    OK

  2. CHECK LIGHTING SYSTEM (INT)


    1. Check if the instrument panel illumination comes on normally.

      OK
      The instrument panel illumination comes on normally.
      Result
      Proceed to
      OK
      NG

    NG

    GO TO LIGHTING SYSTEM (INT) Click here

    OK

  3. CHECK ILLUMINATION


    1. Check if the illumination for the steering pad switch assembly or radio receiver assembly comes on when the light control switch is turned to the head or tail position.

      Result
      Result Proceed to
      Illumination for steering pad switch assembly does not come on. A
      Illumination for radio receiver assembly does not come on. B

    B

    CHECK HARNESS AND CONNECTOR (ILLUMINATION SIGNAL) Click here

    A

  4. CHECK HARNESS AND CONNECTOR (ILLUMINATION SIGNAL)


    1. B005ASRC35
      *a

      Front view of wire harness connector

      (to Spiral with Sensor Cable Sub-assembly)

      Disconnect the spiral with sensor cable sub-assembly connector.

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      I4-13 (IL+2) - Body ground Light control switch in tail or head position 11 to 14 V
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  5. INSPECT STEERING PAD SWITCH ASSEMBLY


    1. Remove the steering pad switch assembly.

      Click here

    2. Inspect the steering pad switch assembly.

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE STEERING PAD SWITCH ASSEMBLY Click here

    OK

  6. INSPECT SPIRAL WITH SENSOR CABLE SUB-ASSEMBLY


    1. Remove the spiral with sensor cable sub-assembly.

      Click here

    2. Inspect the spiral with sensor cable sub-assembly.

      Click here

      Result
      Proceed to
      OK
      NG

    OK

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    NG

    REPLACE SPIRAL WITH SENSOR CABLE SUB-ASSEMBLY Click here

  7. CHECK HARNESS AND CONNECTOR (ILLUMINATION SIGNAL)


    1. B005AILC02
      *a

      Front view of wire harness connector

      (to Radio Receiver Assembly)

      Disconnect the radio receiver assembly connector.

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      I38-14 (ILL+) - Body ground Light control switch in tail or head position 11 to 14 V
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  8. CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY - COMBINATION METER ASSEMBLY)


    1. Disconnect the I38 radio receiver assembly connector.

    2. Disconnect the I10 combination meter assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      I38-13 (ILL-) - I10-39 (ILL-) Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE RADIO RECEIVER ASSEMBLY Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR