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Power Seat Switch: Inspection

  1. INSPECT FRONT POWER SEAT SWITCH LH 
    1. Measure the resistance between the specified terminals when each switch is operated.
      Fig 1: Inspecting Front Power Seat Switch LH
      G04981590Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    Standard resistance (Slide switch) 

    STANDARD RESISTANCE (SLIDE SWITCH)

    Tester Connection Switch Condition Specified Condition
    U7-1 (B) - U7-9 (SLDF) FRONT Below 1 Ω
    U7-4 (E) - U7-6 (SLDR) FRONT Below 1 Ω
    U7-1 (B) - U7-6 (SLDR) FRONT 10 kΩ or higher
    U7-4 (E) - U7-9 (SLDF) FRONT 10 kΩ or higher
    U7-4 (E) - U7-6 (SLDR) OFF Below 1 Ω
    U7-4 (E) - U7-9 (SLDF) OFF Below 1 Ω
    U7-1 (B) - U7-6 (SLDR) OFF 10 kΩ or higher
    U7-1 (B) - U7-9 (SLDF) OFF 10 kΩ or higher
    U7-1 (B) - U7-6 (SLDR) REAR Below 1 Ω
    U7-4 (E) - U7-9 (SLDF) REAR Below 1 Ω
    U7-1 (B) - U7-9 (SLDF) REAR 10 kΩ or higher
    U7-4 (E) - U7-6 (SLDR) REAR 10 kΩ or higher

    Standard resistance (Front vertical switch) 

    STANDARD RESISTANCE (FRONT VERTICAL SWITCH)

    Tester Connection Switch Condition Specified Condition
    U7-1 (B) - U7-10 (FUP) UP Below 1 Ω
    U7-4 (E) - U7-5 (FDWN) UP Below 1 Ω
    U7-1 (B) - U7-5 (FDWN) UP 10 kΩ or higher
    U7-4 (E) - U7-10 (FUP) UP 10 kΩ or higher
    U7-4 (E) - U7-5 (FDWN) OFF Below 1 Ω
    U7-4 (E) - U7-10 (FUP) OFF Below 1 Ω
    U7-1 (B) - U7- 5 (FDWN) OFF 10 kΩ or higher
    U7-1 (B) - U7-10 (FUP) OFF 10 kΩ or higher
    U7-1 (B) - U7-5 (FDWN) DOWN Below 1 Ω
    U7-4 (E) - U7-10 (FUP) DOWN Below 1 Ω
    U7-1 (B) - U7-10 (FUP) DOWN 10 kΩ or higher
    U7-4 (E) - U7-5 (FDWN) DOWN 10 kΩ or higher

    Standard resistance (Lifter switch) 

    STANDARD RESISTANCE (LIFTER SWITCH)

    Tester Connection Switch Condition Specified Condition
    U7-4 (B) - U7-7 (LUP) UP Below 1 Ω
    U7-4 (E) - U7-8 (LDWN) UP Below 1 Ω
    U7-1 (B) - U7-8 (LDWN) UP 10 kΩ or higher
    U7-4 (E) - U7-7 (LUP) UP 10 kΩ or higher
    U7-4 (E) - U7-7 (LUP) OFF Below 1 Ω
    U7-4 (E) - U7-8 (LDWN) OFF Below 1 Ω
    U7-1 (B) - U7-7 (LUP) OFF 10 kΩ or higher
    U7-1 (B) - U7-8 (LDWN) OFF 10 kΩ or higher
    U7-1 (B) - U7-8 (LDWN) DOWN Below 1 Ω
    U7-4 (E) - U7-7 (LUP) DOWN Below 1 Ω
    U7-1 (B) - U7-7 (LUP) DOWN 10 kΩ or higher
    U7-4 (E) - U7-8 (LDWN) DOWN 10 kΩ or higher

    Standard resistance (Reclining switch) 

    STANDARD RESISTANCE (RECLINING SWITCH)

    Tester Connection Switch Condition Specified Condition
    U7-1 (B) - U7-3 (RCLF) FRONT Below 1 Ω
    U7-4 (E) - U7-2 (RCLR) FRONT Below 1 Ω
    U7-1 (B) - U7-2 (RCLR) FRONT 10 kΩ or higher
    U7-4 (E) - U7-3 (RCLF) FRONT 10 kΩ or higher
    U7-4 (E) - U7-2 (RCLR) OFF Below 1 Ω
    U7-4 (E) - U7-3 (RCLF) OFF Below 1 Ω
    U7-1 (B) - U7-3 (RCLF) OFF 10 kΩ or higher
    U7-1 (B) - U7-2 (RCLR) OFF 10 kΩ or higher
    U7-1 (B) - U7-2 (RCLR) REAR Below 1 Ω
    U7-4 (E) - U7-3 (RCLF) REAR Below 1 Ω
    U7-1 (B) - U7-3 (RCLF) REAR 10 kΩ or higher
    U7-4 (E) - U7-2 (RCLR) REAR 10 kΩ or higher

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

  2. INSPECT FRONT POWER SEAT SWITCH RH 
    1. Measure the resistance between the specified terminals when each switch is operated.
      Fig 2: Inspecting Front Power Seat Switch RH
      G04981591Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    Standard resistance (Slide switch) 

    STANDARD RESISTANCE (SLIDE SWITCH)

    Tester Connection Switch Condition Specified Condition
    T8-1 (B) - T8-9 (SLDF) FRONT Below 1 Ω
    T8-4 (E) - T8-6 (SLDR) FRONT Below 1 Ω
    T8-1 (B) - T8-6 (SLDR) FRONT 10 kΩ or higher
    T8-4 (E) - T8-9 (SLDF) FRONT 10 kΩ or higher
    T8-4 (E) - T8-6 (SLDR) OFF Below 1 Ω
    T8-4 (E) - T8-9 (SLDF) OFF Below 1 Ω
    T8-1 (B) - T8-6 (SLDR) OFF 10 kΩ or higher
    T8-1 (B) - T8-9 (SLDF) OFF 10 kΩ or higher
    T8-1 (B) - T8-6 (SLDR) REAR Below 1 Ω
    T8-4 (E) - T8-9 (SLDF) REAR Below 1 Ω
    T8-1 (B) - T8-9 (SLDF) REAR 10 kΩ or higher
    T8-4 (E) - T8-6 (SLDR) REAR 10 kΩ or higher

    Standard resistance (Reclining switch) 

    STANDARD RESISTANCE (RECLINING SWITCH)

    Tester Connection Switch Condition Specified Condition
    T8-1 (B) - T8-3 (RCLF) FRONT Below 1 Ω
    T8-4 (E) - T8-2 (RCLR) FRONT Below 1 Ω
    T8-1 (B) - T8-2 (RCLR) FRONT 10 kΩ or higher
    T8-4 (E) - T8-3 (RCLF) FRONT 10 kΩ or higher
    T8-4 (E) - T8-2 (RCLR) OFF Below 1 Ω
    T8-4 (E) - T8-3 (RCLF) OFF Below 1 Ω
    T8-1 (B) - T8-3 (RCLF) OFF 10 kΩ or higher
    T8-1 (B) - T8-2 (RCLR) OFF 10 kΩ or higher
    T8-1 (B) - T8-2 (RCLR) REAR Below 1 Ω
    T8-4 (E) - T8-3 (RCLF) REAR Below 1 Ω
    T8-1 (B) - T8-3 (RCLF) REAR 10 kΩ or higher
    T8-4 (E) - T8-2 (RCLR) REAR 10 kΩ or higher

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

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