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Ignition Switch: Inspection

  1. INSPECT IGNITION SWITCH ASSEMBLY 
    1. Measure the resistance of the switch.
      Fig 1: Measuring Resistance Of Switch
      G05289468Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard resistance 

      RESISTANCE REFERENCE

      Tester Connection Switch Position Specified Condition
      - LOCK 10 kΩ or higher
      2 (AM1) - 3 (ACC) ACC Below 1 Ω
      2 (AM1) - 3 (ACC) 3 (ACC) - 4 (IG1) 6 (IG2) - 7 (AM2) ON Below 1 Ω
      1 (ST1) - 2 (AM1) 2 (AM1) - 4 (IG1) 6 (IG2) - 7 (AM2) 7 (AM2) - 8 (ST2) START Below 1 Ω

      If the result is not as specified, replace the switch assembly.

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