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On-Vehicle Inspection

  1. REMOVE RELAY (Marking: IG1) 
    1. Remove the IG1 relay from the instrument panel junction block.
  2. INSPECT RELAY 
    1. Measure the IG1 relay resistance.

      Standard resistance 

      RESISTANCE SPECIFIED CONDITIONS

      Tester Connection Specified Condition
      3 - 5 10 kΩ or higher
      3 - 5 Below 1 Ω (when battery voltage is applied to terminals 1 and 2)
      Fig 1: Identifying IG1 Relay
      G05183857Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

  3. INSTALL RELAY 
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