Test Description

WARNING: This page is about a different car, the 2003 GMC Sonoma, 2003 GMC Jimmy, 2003 Chevrolet S10 Pickup, and 2003 Chevrolet Blazer. However, it is still accessible from the selected car via links, so may be relevant.

The numbers below refer to the step numbers on the diagnostic table.

3. Tests the operation of the headlamp washer pump relay and circuits. If the test lamp illuminates for a few seconds the washer pump is faulty.
4. Tests the battery positive voltage supply circuit to the headlamp washer pump relay.
5. Tests the washer pump control circuit to the headlamp washer pump relay.
6. Tests the front park lamp voltage supply circuit to the headlamp washer pump relay.

Fig 1: Washers Inoperative - Headlamp (1 Of 2)
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Fig 2: Washers Inoperative - Headlamp (2 Of 2)
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Fig 3: Wiper Always On - Rear (1 Of 2)
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Fig 4: Wiper Always On - Rear (2 Of 2)
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Fig 5: Wiper Inoperative - Rear (1 Of 3)
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Fig 6: Wiper Inoperative - Rear (2 Of 3)
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Fig 7: Wiper Inoperative - Rear (3 Of 3)
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