Tundra 4WD V8-5.7L (3UR-FE) (2007)
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Wiper Switch: Testing and Inspection
INSPECTION
1. INSPECT WIPER AND WASHER SWITCH ASSEMBLY
a. Measure the resistance according to the value(s) in the table.
If the result is not as specified, replace the switch assembly.
b. Check the intermittent operation.
1. Connect the voltmeter's positive (+) lead to terminal B-3 (+1) and the negative (-) lead to terminal A-2 (EW).
2. Connect the battery's positive (+) lead to terminal B-2 (+B) and the negative (-) lead to terminals A-2 (EW) and B-1 (+S).
3. Turn the wiper switch to the INT position.
