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Home >> Jeep >> 2000 >> Grand Cherokee Laredo, 4.0 S, AWD >> Repair and Diagnosis >> Body & Frame >> Body, Cab Control Systems >> Body Control Modules >> System Tests >> Windshield Wiper/Washer System >> Wiper Inoperative With Wash Function
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Wiper Inoperative With Wash Function

Ensure wipers work in low position. If wipers do not operate at low speed, go to WIPER NOT WORKING IN LOW SPEED . If wipers operate at low speed, turn ignition off and disconnect Body Control Module (BCM) connector C2. See Figure. Turn ignition on. Using DVOM, measure voltage between ground and BCM connector C2 terminal No. 2 (Brown wire). See Figure. Pull washer switch to activate washers. If voltage is greater than 10 volts when washer switch is activated, test is complete. If voltage is less than 10 volts when washer switch is activated, repair open in Brown wire between BCM and washer motor. Perform BODY VERIFICATION TEST  under VERIFICATION TESTS.