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Lumbar Switch: Inspection

  1. INSPECT LUMBAR SWITCH LH 
    1. Measure the resistance according to the value(s) in the table below

      Standard Resistance 

      STANDARD RESISTANCE SPECIFICATIONS

      Tester Connection Switch Condition Specified Condition
      3 (B) - 4 (H) Hold Below 1 Ω
      1 (R) - 2 (E2)
      1 (R) - 2 (E2) Off
      4 (H) - 5 (E)
      1 (R) - 3 (B) Release
      4 (H) - 5 (E)

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

      Fig 1: Inspecting Lumbar Switch LH
      G05766259Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSPECT LUMBAR SWITCH RH 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance 

      STANDARD RESISTANCE SPECIFICATIONS

      Tester Connection Switch Condition Specified Condition
      3 (B) - 4 (H) Hold Below 1 Ω
      1 (R) - 2 (E)
      1 (R) - 2 (E) Off
      4 (H) - 5 (E)
      1 (R) - 3 (B) Release
      4 (H) - 5 (E)

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

      Fig 2: Inspecting Lumbar Switch LH
      G05766260Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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