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Window Defogger System: Inspection

  1. INSPECT DEFOGGER RELAY (Marking: DEFOG) 
    1. Remove the DEFOG relay from the instrument panel J/B.
    2. Measure the resistance of the relay.

      Standard: 

      CONDITION RESISTANCE

      Tester Connection Condition Specified Condition
      1 - 2 Always Below 1 Ω
      3 - 5 Apply B+ between terminals land 2 Below Ω

    If the result is not as specified, replace the relay.

    Fig 1: Inspecting Defogger Relay
    G02612305Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002