WIPER SWITCH INSPECTION
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INSPECT WINDSHIELD WIPER SWITCH ASSEMBLY (w/ Rain Sensor)
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Text in Illustration *1 Windshield Wiper Switch Assembly (Adjusting Ring Position) *a Component without harness connected
(Windshield Wiper Switch Assembly)
for LHD and RHD with Wiper Switch RH Side Type:
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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.
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Text in Illustration *1 Windshield Wiper Switch Assembly (Adjusting Ring Position) *a Component without harness connected
(Windshield Wiper Switch Assembly)
for Wiper Switch LH Side Type:
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Measure the resistance according to the value(s) in the table below.
Standard Resistance Front Wiper Switch Tester Connection Switch Condition Specified Condition L38-2 (+1) - L38-4 (+S) OFF Below 1 Ω AUTO L38-2 (+1) - L38-3 (+B) MIST LO L38-3 (+B) - L38-1 (+2) HI L38-6 (AUTO) - L38-5 (E) AUTO Front Washer Switch Tester Connection Switch Condition Specified Condition L40-2 (EW) - L40-1 (WF) ON Below 1 Ω OFF 10 kΩ or higher Rear Wiper Switch Tester Connection Switch Condition Specified Condition L40-5 (C1R) - L40-2 (EW) OFF 10 kΩ or higher L40-4 (+1R) - L40-2 (EW) L40-5 (C1R) - L40-2 (EW) INT Below 1 Ω L40-4 (+1R) - L40-2 (EW) HI Below 1 Ω Rear Washer Switch Tester Connection Switch Condition Specified Condition L38-10 (WR) - L40-2 (EW) OFF 10 kΩ or higher L40-4 (+1R) - L40-2 (EW) L38-10 (WR) - L40-2 (EW) WASH Below 1 Ω L38-10 (WR) - L40-2 (EW) ON + WASH Below 1 Ω L40-4 (+1R) - L40-2 (EW) Adjusting Ring* Tester Connection Switch Condition Specified Condition L38-8 (VR1) - L38-7 (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.
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INSPECT WINDSHIELD WIPER SWITCH ASSEMBLY (w/o Rain Sensor)
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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.
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