FixVault

Hazard Warning Switch: Inspection

  1. INSPECT HAZARD WARNING SIGNAL SWITCH ASSEMBLY 
    1. LED illumination inspection
      1. Apply battery voltage to the terminals of the connector, and check the LED illumination condition.
        Fig 1: Identifying Hazard Warning Signal Switch Assembly Connector Terminal ILL+ And ILL-
        G04944969Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        OK 

        HAZARD WARNING SIGNAL SWITCH ILLUMINATION CONDITION

        Tester Connection Specified Condition
        1 (ILL+) - 5 (ILL-) Night illumination comes on
    2. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      RESISTANCE SPECIFIED CONDITIONS

      Tester Connection Switch Condition Specified Condition
      7 (HAZ) - 6 (GND) Hazard warning signal switch OFF 10 kΩ or higher
      7 (HAZ) - 6 (GND) Hazard warning signal switch ON Below 1 Ω

      If the result is not as specified, replace the hazard warning signal switch.

      Fig 2: Identifying Hazard Warning Signal Switch Assembly Connector Terminal HAZ And GND
      G04944970Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002