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Inspection [12/2019 - ]: Procedure

  1. INSPECT WINDSHIELD WIPER SWITCH ASSEMBLY 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      FRONT WIPER SWITCH

      Tester Connection Condition Specified Condition
      14 (MIST) - 5 (E) MIST position Below 1 Ω
      Except MIST position 10 kΩ or higher
      10 (W_OFF) - 5 (E) OFF position Below 1 Ω
      Except OFF position 10 kΩ or higher
      13 (+S) - 5 (E) INT position*1 Below 1 Ω
      AUTO position*2 Below 1 Ω
      Except INT position 10 kΩ or higher
      11 (+1) - 5 (E) LO position Below 1 Ω
      Except LO position 10 kΩ or higher
      12 (+2) - 5 (E) HI position Below 1 Ω
      Except HI position 10 kΩ or higher
      FRONT WASHER SWITCH

      Tester Connection Condition Specified Condition
      15 (WF) - 5 (E) ON position Below 1 Ω
      OFF position 10 kΩ or higher
      REAR WIPER SWITCH

      Tester Connection Condition Specified Condition
      7 (C1R) - 5 (E) OFF position 10 kΩ or higher
      6 (+1R) - 5 (E)
      7 (C1R) - 5 (E) INT position Below 1 Ω
      6 (+1R) - 5 (E) ON position
      REAR WASHER SWITCH

      Tester Connection Condition Specified Condition
      9 (WR) - 5 (E) ON position Below 1 Ω
      OFF position 10 kΩ or higher
      INTERMITTENT TIME ADJUSTMENT SWITCH*1

      Tester Connection Condition Specified Condition
      4 (VR) - 5 (E) P1 position 1102 to 1218 Ω
      P2 position 570 to 630 Ω
      P3 position 256.5 to 283.5 Ω
      P4 position Below 1 Ω
      AUTO SENSITIVITY ADJUSTMENT SWITCH*2

      Tester Connection Condition Specified Condition
      4 (VR) - 5 (E) P1 position 1102 to 1218 Ω
      P2 position 570 to 630 Ω
      P3 position 256.5 to 283.5 Ω
      P4 position Below 1 Ω
      1. *1: w/o Auto Wiper System
      2. *2: w/ Auto Wiper System
      GTY845322Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Windshield Wiper Switch Assembly)
      *b Windshield Wiper Switch Assembly
      (Adjusting Ring Position)

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