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Front Power Seat Lumbar Switch: Inspection

  1. INSPECT FRONT POWER SEAT LUMBAR SWITCH LH 
    1. Measure the resistance between the terminals when the switch is operated.

      Standard resistance 

      RESISTANCE SPECIFIED CONDITIONS

      Tester Connection Switch Condition Specified Condition
      3 (B) - 4 (H) HOLD Below 1 Ω
      1 (R) - 2 (E) HOLD Below 1 Ω
      1 (R) - 2 (E) OFF Below 1 Ω
      4 (H) - 5 (E) OFF Below 1 Ω
      1 (R) - 3 (B) RELEASE Below 1 Ω
      4 (H) - 5 (E) RELEASE Below 1 Ω

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

      Fig 1: Identifying Front Power Seat Lumbar Switch Connector Terminals
      G06001221Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002