Click here

NAVIGATION SYSTEM (for DVD) Illumination Circuit

Click here
Click here
DTC Code DTC Name
  Illumination Circuit
Click here

DESCRIPTION

Power is supplied to the navigation receiver assembly and steering pad switch illumination when the light control switch is in the TAIL or HEAD position.

Click here

WIRING DIAGRAM

Click here

INSPECTION PROCEDURE

Note:

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

Click here

PROCEDURE


  1. Click here

    CHECK ILLUMINATION


    1. Check if the illumination for the navigation receiver assembly, steering pad switch, glove box or others (hazard switch, transmission control 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. A
      Illumination comes on for all components except navigation receiver assembly. B
      No illumination comes on (navigation receiver assembly, hazard switch, glove box, etc.). C
      Illumination comes on only for steering pad switch and glove box. D

  2. Click here

    CHECK HARNESS AND CONNECTOR (BATTERY - SPIRAL CABLE)


    1. A017EMBE11

      Disconnect spiral cable connector D53.

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

      Standard voltage
      Tester Connection Condition Specified Condition
      D53-12 (IL+2) - Body ground Light control switch in TAIL or HEAD 11 to 14 V

  3. Click here

    INSPECT SPIRAL CABLE


    1. A017F4VE06

      Disconnect the steering pad switch and spiral cable connectors.

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

      Standard resistance
      Tester Connection Condition Specified Condition
      z2-8 (EAU) - D53-4 (EAU) Center Below 1 Ω
      2.5 rotations to the left
      2.5 rotations to the right
      z2-5 (IL+2) - D53-12 (IL+2) Center Below 1 Ω
      2.5 rotations to the left
      2.5 rotations to the right
      Note:

      The spiral cable is an important part of the SRS airbag system. Incorrect removal or installation of the spiral cable may prevent the airbag from deploying. Refer to the pages shown in the brackets.

      Tip:

  4. Click here

    CHECK HARNESS AND CONNECTOR (SPIRAL CABLE - NAVIGATION RECEIVER ASSEMBLY)


    1. A017D75E14

      Disconnect navigation receiver assembly connector E2 and spiral cable connector D53.

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

      Standard resistance
      Tester Connection Condition Specified Condition
      E2-6 (SWG) - D53-4 (EAU) Always Below 1 Ω
      E2-6 (SWG) - Body ground Always 10 kΩ or higher

  5. Click here

    INSPECT STEERING PAD SWITCH ASSEMBLY


    1. Disconnect the steering pad switch assembly connector.

    2. A017FFAE04

      Connect the positive (+) lead to terminal IL+2 and the negative (-) lead to terminal EAU of the steering pad switch connector.

    3. Check if the illumination for the steering pad switch comes on.

      OK
      Illumination for the steering pad switch assembly comes on.

  6. Click here

    CHECK HARNESS AND CONNECTOR (BATTERY - NAVIGATION RECEIVER ASSEMBLY)


    1. A017FW8E31

      Disconnect navigation receiver assembly connector E6.

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

      Standard voltage
      Tester Connection Condition Specified Condition
      E6-10 (ILL+) - Body ground Light control switch in TAIL or HEAD 11 to 14 V

  7. Click here

    CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - COMBINATION METER)


    1. A017G6WE01

      Disconnect navigation receiver assembly connector E7.

    2. A017BP9E98

      Disconnect combination meter connector E1.

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

      Standard resistance
      Tester Connection Condition Specified Condition
      E7-5 (ILL-) - E1-30 (ILL-) Always Below 1 Ω
      E7-5 (ILL-) - Body ground Always 10 kΩ or higher

  8. Click here

    PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLEClick here

  9. Click here

    GO TO LIGHTING SYSTEMClick here

  10. Click here

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  11. Click here

    REPLACE STEERING PAD SWITCH ASSEMBLYClick here

  12. Click here

    REPLACE SPIRAL CABLEClick here

  13. Click here

    GO TO METER / GAUGE SYSTEMClick here