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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
      Fig 1: Inspecting Front Power Seat Lumbar Switch LH
      G05321106Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard resistance 

      STANDARD RESISTANCE

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

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

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

      Standard resistance 

      STANDARD RESISTANCE

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

      If the result is not as specified, replace switch.

      Fig 2: Inspecting Front Power Seat Lumbar Switch RH
      G05321107Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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