WIPER SWITCH INSPECTION


  1. INSPECT WINDSHIELD WIPER SWITCH ASSEMBLY (w/ Rain Sensor)


    1. A004220E02
      Text in Illustration
      *1 Windshield Wiper Switch Assembly (Adjusting Ring Position)
      *a

      Component without harness connected

      (Windshield Wiper Switch Assembly)

      Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Front Wiper Switch
      Tester Connection Switch Condition Specified Condition
      L38-3 (+1) - L38-1 (+S) OFF Below 1 Ω
      AUTO
      L38-3 (+1) - L38-2 (+B) MIST
      LO
      L38-2 (+B) - L38-4 (+2) HI
      L38-9 (AUTO) - L38-10 (E) AUTO
      Front Washer Switch
      Tester Connection Switch Condition Specified Condition
      L40-2 (EW) - L40-3 (WF) ON Below 1 Ω
      OFF 10 kΩ or higher
      Rear Wiper Switch
      Tester Connection Switch Condition Specified Condition
      L40-6 (C1R) - L40-2 (EW) OFF 10 kΩ or higher
      L40-7 (+1R) - L40-2 (EW)
      L40-6 (C1R) - L40-2 (EW) INT Below 1 Ω
      L40-7 (+1R) - L40-2 (EW) HI Below 1 Ω
      Rear Washer Switch
      Tester Connection Switch Condition Specified Condition
      L38-5 (WR) - L40-2 (EW) OFF 10 kΩ or higher
      L40-7 (+1R) - L40-2 (EW)
      L38-5 (WR) - L40-2 (EW) WASH Below 1 Ω
      L38-5 (WR) - L40-2 (EW) ON + WASH Below 1 Ω
      L40-7 (+1R) - L40-2 (EW)
      Adjusting Ring*
      Tester Connection Switch Condition Specified Condition
      L38-7 (VR1) - L38-8 (VR2) P1 209 to 231 Ω
      P2 114 to 126 Ω
      P3 58.9 to 65.1 Ω
      P4 Below 1 Ω

      Tech Tips

      *: The rain sensor sensitivity can be adjusted by the windshield wiper switch adjusting ring.

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

  2. INSPECT WINDSHIELD WIPER SWITCH ASSEMBLY (w/o Rain Sensor)


    1. A0042DUE01
      Text in Illustration
      *a

      Component without harness connected

      (Windshield Wiper Switch Assembly)

      Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Front Wiper Switch
      Tester Connection Switch Condition Specified Condition
      L38-1 (+S) - L38-3 (+1) OFF Below 1 Ω
      INT
      L38-2 (+B) - L38-3 (+1) MIST
      LO
      L38-2 (+B) - L38-4 (+2) HI
      Front Washer Switch
      Tester Connection Switch Condition Specified Condition
      L40-2 (EW) - L40-3 (WF) ON Below 1 Ω
      OFF 10 kΩ or higher
      Rear Wiper Switch
      Tester Connection Switch Condition Specified Condition
      L40-6 (C1R) - L40-2 (EW) OFF 10 kΩ or higher
      L40-7 (+1R) - L40-2 (EW)
      L40-6 (C1R) - L40-2 (EW) INT Below 1 Ω
      L40-7 (+1R) - L40-2 (EW) HI Below 1 Ω
      Rear Washer Switch
      Tester Connection Switch Condition Specified Condition
      L38-5 (WR) - L40-2 (EW) OFF 10 kΩ or higher
      L40-7 (+1R) - L40-2 (EW)
      L38-5 (WR) - L40-2 (EW) WASH Below 1 Ω
      L38-5 (WR) - L40-2 (EW) ON + WASH Below 1 Ω
      L40-7 (+1R) - L40-2 (EW)

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