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AUDIO AND VISUAL SYSTEM (for Radio Receiver Type) Illumination Circuit

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DTC Code DTC Name
  Illumination Circuit
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DESCRIPTION

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

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WIRING DIAGRAM

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INSPECTION PROCEDURE

CAUTION:

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

Note:

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

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PROCEDURE


  1. Click here

    CHECK ILLUMINATION


    1. Check if the illumination for the radio receiver, steering pad switch assembly, glove box or other parts (hazard switch, transmission control switch, etc.) comes on when the light control switch is turned to the head or tail position.

      Table 1. Result
      Result Proceed to
      Illumination comes on for all components except steering pad switch. A
      Illumination comes on for all components except radio receiver. B
      No illumination comes on (radio receiver, hazard switch, glove box, etc.). C

  2. Click here

    CHECK HARNESS AND CONNECTOR (SPIRAL WITH SENSOR CABLE - BATTERY)


    1. A01IPHVE50

      Disconnect the H11 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
      H11-12 (IL+2) - Body ground Light control switch in position tail or head 11 to 14 V
      Table 2. Text in Illustration
      *a

      Front view of wire harness connector

      (to Spiral with Sensor Cable Sub-assembly)

  3. Click here

    INSPECT STEERING PAD SWITCH ASSEMBLY


    1. Remove the steering pad switch assembly (Click here).

    2. Inspect the steering pad switch assembly (Click here).


  4. Click here

    INSPECT SPIRAL WITH SENSOR CABLE SUB-ASSEMBLY


    1. Remove the spiral with sensor cable sub-assembly (Click here).

      CAUTION:

      The spiral with sensor cable subassembly is an important part of the SRS airbag system. Incorrect removal or installation of the spiral with sensor cable subassembly may prevent the airbag from deploying. Be sure to read the Precaution for the SRS (Click here).

    2. Inspect the spiral with sensor cable sub-assembly (Click here)


  5. Click here

    CHECK HARNESS AND CONNECTOR (RADIO RECEIVER AND SPIRAL WITH SENSOR CABLE - BODY GROUND)


    1. Disconnect the H114 radio receiver assembly connector.

    2. Disconnect the H11 spiral with sensor cable sub-assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      H114-23 (SWG) - Body ground Always Below 1 Ω
      H11-4 (EAU) - Body ground Always Below 1 Ω

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    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLEClick here

  7. Click here

    CHECK HARNESS AND CONNECTOR (RADIO RECEIVER - BATTERY)


    1. A01INP6E66

      Disconnect the H1 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
      H1-10 (ILL+) - Body ground Light control switch in position tail or head 11 to 14 V
      Table 3. Text in Illustration
      *a

      Front view of wire harness connector

      (to Radio Receiver Assembly)

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    GO TO LIGHTING SYSTEMClick here

  9. Click here

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  10. Click here

    REPLACE STEERING PAD SWITCH ASSEMBLYClick here

  11. Click here

    REPLACE SPIRAL WITH SENSOR CABLE SUB-ASSEMBLYClick here