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Hazard Warning Switch: Inspection

WARNING: This page is about a different car, the 2007 Lexus ES 350. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSPECT AIR CONDITION PANEL SUB-ASSEMBLY (w/o Navigation System) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      TESTER CONNECTION SPECIFIED CONDITION

      Tester Connection Condition Specified Condition
      7 (TB) - 18 (GND) Hazard warning switch OFF 10 kΩ or higher
      7 (TB) - 18 (GND) Hazard warning switch ON Below 1 Ω

      If the result is not as specified, replace the air condition panel sub-assembly.

      Fig 1: Identifying Air Condition Panel Sub-Assembly Connector Terminals
      G05252510Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSPECT MULTI-DISPLAY WITH RADIO RECEIVER ASSEMBLY (w/ Navigation System) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      TESTER CONNECTION SPECIFIED CONDITION

      Tester Connection Condition Specified Condition
      E62-8 (HAZ) - E62-10 (GND1) Hazard warning switch OFF 10 kΩ or higher
      E62-8 (HAZ) - E62-10 (GND1) Hazard warning switch ON Below 1 Ω

      If the result is not as specified, replace the multi-display with radio receiver assembly.

      Fig 2: Identifying E62 Connector Terminals
      G05252511Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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