LIGHTING SYSTEM Hazard Warning Switch Circuit

DESCRIPTION

The combination meter assembly receives the hazard switch ON signal and controls the operation of the hazard warning lights.

WIRING DIAGRAM


  1. for Navigation Receiver Type:

    A01G9OWE01

  2. for Radio Receiver Type:

    A01G4CRE02

INSPECTION PROCEDURE

PROCEDURE


  1. READ VALUE USING GTS


    1. Connect the GTS to the DLC3.

    2. Turn the engine switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / Combination Meter / Data List.

    5. Read the display on the GTS.

      Combination Meter
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Hazard Flasher Switch Hazard switch signal/ON or OFF

      ON: Hazard switch on

      OFF: Hazard switch off

      		 -
      OK
      Normal conditions listed above are displayed.
      Result
      Result Proceed to
      OK A
      NG (for Navigation Receiver Type) B
      NG (for Radio Receiver Type) C

    B

    INSPECT MULTI-MEDIA MODULE RECEIVER ASSEMBLY (HAZARD SWITCH) Click here

    C

    INSPECT RADIO RECEIVER ASSEMBLY (HAZARD SWITCH) Click here

    A

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

  2. INSPECT MULTI-MEDIA MODULE RECEIVER ASSEMBLY (HAZARD SWITCH)


    1. Remove the multi-media module receiver assembly Click here.

    2. Inspect the multi-media module receiver assembly (hazard switch) Click here.


    NG

    REPLACE MULTI-MEDIA MODULE RECEIVER ASSEMBLY Click here

    OK

  3. CHECK HARNESS AND CONNECTOR (MULTI-MEDIA MODULE RECEIVER ASSEMBLY - COMBINATION METER ASSEMBLY)


    1. Disconnect the H13 combination meter assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      H98-9 (HAZ) - H13-11 (HZSW) Always Below 1 Ω
      H98-9 (HAZ) - Body ground Always 10 kΩ or higher
      H97-12 (GND1) - Body ground Always Below 1 Ω

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE COMBINATION METER ASSEMBLY Click here

  4. INSPECT RADIO RECEIVER ASSEMBLY (HAZARD SWITCH)


    1. Remove the radio receiver assembly Click here.

    2. Inspect the radio receiver assembly (hazard switch) Click here.


    NG

    REPLACE RADIO RECEIVER ASSEMBLY Click here

    OK

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


    1. Disconnect the H13 combination meter assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      H42-1 (HAZ) - H13-11 (HZSW) Always Below 1 Ω
      H42-1 (HAZ) - Body ground Always 10 kΩ or higher
      H42-9 (GND) - Body ground Always Below 1 Ω

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE COMBINATION METER ASSEMBLY Click here