AUDIO AND VISUAL SYSTEM Illumination Circuit

DESCRIPTION

Power is supplied to the multi-media module receiver assembly, accessory meter assembly*1, multi-display*2 and steering pad switch assembly illumination when the light control switch is in the tail or head position.


WIRING DIAGRAM

A000POCE11

CAUTION / NOTICE / HINT

Note


  • The vehicle is equipped with an 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 fuse for circuits related to this system before performing the following inspection procedure.

PROCEDURE


  1. CHECK ILLUMINATION


    • *1: for 12.3 Inch

    • *2: for 8 Inch


    1. Check if the illumination for the multi-media module receiver assembly, accessory meter assembly*1, multi-display*2, steering pad switch assembly or others (hazard switch etc.) comes on when the light control switch is turned to the head or tail position.

      Result
      Result Proceed to
      Illumination comes on for all components except steering pad switch assembly. A
      Illumination comes on for all components except accessory meter assembly*1 or multi-display* 2. B
      Illumination comes on for all components except multi-media module receiver assembly. C
      No illumination comes on (multi-media module receiver assembly, steering pad switch, hazard switch, heater control switch, etc.). D

    B

    CHECK HARNESS AND CONNECTOR (ILLUMINATION SIGNAL CIRCUIT) Click here

    C

    CHECK HARNESS AND CONNECTOR (ILLUMINATION SIGNAL CIRCUIT) Click here

    D

    GO TO LIGHTING SYSTEM Click here

    A

  2. CHECK HARNESS AND CONNECTOR (ILLUMINATION SIGNAL)


    1. A000S6QE02
      Text in Illustration
      *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
      N31-13 (IL+2) - Body ground Power switch off, light control switch in the tail or head position 11 to 14 V

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. INSPECT STEERING PAD SWITCH ASSEMBLY


    1. Remove the steering pad switch assembly Click here.

    2. Inspect the steering pad switch assembly Click here.


    NG

    REPLACE STEERING PAD SWITCH ASSEMBLY Click here

    OK

  4. 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.


    NG

    REPLACE SPIRAL WITH SENSOR CABLE SUB-ASSEMBLY Click here

    OK

  5. CHECK HARNESS AND CONNECTOR (MULTI-MEDIA NODULE RECEIVER ASSEMBLY - SPIRAL WITH SENSOR CABLE SUB-ASSEMBLY AND BODY GROUND)


    1. Disconnect the N164 multi-media module receiver assembly connector.

    2. Disconnect the N31 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
      N164-14 (ILL+) - N31-13 (IL+2) Always Below 1 Ω
      N164-32 (SWG) - N31-3 (EAU) Always Below 1 Ω
      N164-14 (ILL+) - Body ground Always 10 kΩ or higher
      N164-32 (SWG) - Body ground Always 10 kΩ or higher

    OK

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  6. CHECK HARNESS AND CONNECTOR (ILLUMINATION SIGNAL CIRCUIT)


    1. A000NXNE03
      Text in Illustration
      *A for 12.3 Inch
      *B for 8 Inch
      *a

      Front view of wire harness connector

      (to Accessory Meter Assembly)
      *b

      Front view of wire harness connector

      (to Multi-display)

      Disconnect the accessory meter assembly*1 or multi-display*2 connector.


      • *1: for 12.3 Inch

      • *2: for 8 Inch

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

      Standard Resistance
      for 12.3 Inch
      Tester Connection Condition Specified Condition
      N62-13 (GND1) - Body ground Always Below 1 Ω
      for 8 Inch
      Tester Connection Condition Specified Condition
      N155-13 (GND1) - Body ground Always Below 1 Ω

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

      Standard Voltage
      for 12.3 Inch
      Tester Connection Switch Condition Specified Condition
      N62-2 (ILL) - N62-13 (GND1) Power switch off, light control switch in the tail or head position 11 to 14 V
      for 8 Inch
      Tester Connection Switch Condition Specified Condition
      N155-2 (ILL) - N155-13 (GND1) Power switch off, light control switch in the tail or head position 11 to 14 V

    OK

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  7. CHECK HARNESS AND CONNECTOR (ILLUMINATION SIGNAL CIRCUIT)


    1. A000QD4E02
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Multi-media Module Receiver Assembly)

      Disconnect the multi-media module receiver assembly connector.

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      N164-14 (ILL+) - Body ground Power switch, light control switch in the tail or head position 11 to 14 V

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  8. CHECK HARNESS AND CONNECTOR (MULTI-MEDIA MODULE RECEIVER ASSEMBLY - COMBINATION METER ASSEMBLY AND BODY GROUND)


    1. Disconnect the N164 multi-media module receiver assembly connector.

    2. Disconnect the N40 combination meter assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      N164-13 (ILL-) - N40-39 (ILL-) Always Below 1 Ω
      N40-31 (ES) - Body ground Always Below 1 Ω
      N164-13 (ILL-) - Body ground Always 10 kΩ or higher

    OK

    GO TO METER / GAUGE SYSTEM Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR