LIGHTING SYSTEM Hazard Warning Switch Circuit

DESCRIPTION

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

WIRING DIAGRAM

A002BJFE08
*a Air Conditioning Control Assembly (Hazard Warning Signal Switch)
*b Combination Meter Assembly

PROCEDURE


  1. READ VALUE USING GTS


    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the GTS on.

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

    5. Read the display on the GTS.


      Body Electrical > Combination Meter > Data List
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Hazard Flasher Switch Hazard warning signal switch signal ON or OFF

      ON: Hazard warning signal switch on

      OFF: Hazard warning signal switch off

      -

      Body Electrical > Combination Meter > Data List
      Tester Display
      Hazard Flasher Switch
      OK
      Normal conditions listed above are displayed.
      Result
      Proceed to
      OK
      NG

    OK
    NG
  2. INSPECT AIR CONDITIONING CONTROL ASSEMBLY (HAZARD WARNING SIGNAL SWITCH)


    1. Remove the air conditioning control assembly (hazard warning signal switch).

      Click here

    2. Inspect the air conditioning control assembly (hazard warning signal switch).

      Click here

      Result
      Proceed to
      OK
      NG

    NG
    OK
  3. CHECK HARNESS AND CONNECTOR (AIR CONDITIONING CONTROL ASSEMBLY (HAZARD WARNING SIGNAL SWITCH) - COMBINATION METER ASSEMBLY AND BODY GROUND)


    1. Disconnect the F21 combination meter assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      F32-7 (HAZ) - F21-5 (HAZ) Always Below 1 Ω
      F32-7 (HAZ) - Body ground Always 10 kΩ or higher
      F32-5 (GND) - Body ground Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    OK
    NG