Washers Inoperative
WARNING: This page is about a different car, the 2002 Oldsmobile Bravada, 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
Washers Inoperative
| Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
| Schematic Reference: Wiper/Washer System Schematics | ||||
| 1 | Did you perform the Wiper/Washer System Diagnostic System Check? | - | Go to Step 2 | Go to Diagnostic System Check - Wiper/Washer |
| 2 |
|
- | Go to TESTING FOR INTERMITTENT CONDITIONS AND POOR CONNECTIONS in Wiring Systems | Go to Step 3 |
| 3 | Do the windshield washer wipers operate when the windshield washer switch is pressed? | - | Go to Step 6 | Go to Step 4 |
| 4 |
|
0.5 Ω | Go to Step 15 | Go to Step 5 |
| 5 | Test the following circuits for high resistance. Refer to CIRCUIT TESTING
and WIRING REPAIRS
in Wiring Systems.
Did you find and correct the condition? |
- | Go to Step 20 | Go to Step 13 |
| 6 |
|
- | Go to Step 7 | Go to Step 9 |
| 7 |
|
- | Go to Step 8 | Go to Step 10 |
| 8 |
|
- | Go to Step 18 | Go to Step 11 |
| 9 | Replace the underhood fuse block. Did you complete the replacement? |
- | Go to Step 20 | - |
| 10 | Test the windshield washer relay control circuit for an open or high resistance. Refer to CIRCUIT TESTING
and WIRING REPAIRS
in Wiring Systems. Did you find and correct the condition? |
- | Go to Step 20 | Go to Step 15 |
| 11 | Test the windshield washer pump control circuit for an open or high resistance. Refer to CIRCUIT TESTING
and WIRING REPAIRS
in Wiring Systems. Did you find and correct the condition? |
- | Go to Step 20 | Go to Step 12 |
| 12 | Test the windshield washer pump ground circuit for an open or high resistance. Refer to CIRCUIT TESTING
and WIRING REPAIRS
in Wiring Systems. Did you find and correct the condition? |
- | Go to Step 20 | Go to Step 17 |
| 13 | Inspect for poor connections at the windshield wiper/washer switch. Refer to TESTING FOR INTERMITTENT CONDITIONS AND POOR CONNECTIONS
and CONNECTOR REPAIRS
in Wiring Systems. Did you find and correct the condition? |
- | Go to Step 20 | Go to Step 14 |
| 14 | Replace the windshield wiper/washer switch. Refer to MULTIFUNCTION, TURN SIGNAL & HAZARD SWITCH
in Steering Wheel and Column. Did you complete the replacement? |
- | Go to Step 20 | - |
| 15 | Inspect for poor connections at the windshield wiper motor. Refer to TESTING FOR INTERMITTENT CONDITIONS AND POOR CONNECTIONS
and CONNECTOR REPAIRS
in Wiring Systems. Did you find and correct the condition? |
- | Go to Step 20 | Go to Step 16 |
| 16 | Replace the windshield wiper motor cover. Refer to Wiper Motor Cover Replacement . Did you complete the replacement? |
- | Go to Step 20 | - |
| 17 | Replace the windshield washer relay. Did you complete the replacement? |
- | Go to Step 20 | - |
| 18 | Inspect for poor connections at the windshield washer pump. Refer to TESTING FOR INTERMITTENT CONDITIONS AND POOR CONNECTIONS
and CONNECTOR REPAIRS
in Wiring Systems. Did you find and correct the condition? |
- | Go to Step 20 | Go to Step 19 |
| 19 | Replace the windshield washer pump. Refer to Washer Pump Replacement (Windshield) and Washer Pump Replacement (Headlamps) . Did you complete the replacement? |
- | Go to Step 20 | - |
| 20 | Operate the system in order to verify the repair. Did you correct the condition? |
- | System OK | Go to Step 3 |