Washers Inoperative
WARNING: This page is about a different car, the 2004 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.
Washers Inoperative
| Step | Action | Values | Yes | No |
|---|---|---|---|---|
| Schematic Reference: Wiper/Washer System Schematics Connector End View Reference: Wiper/Washer System Connector End Views DEFINITION: The windshield washer is inoperative. |
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| 1 | Did you review the Wiper/Washer System Description and Operation and perform the necessary inspections? | - | Go to Step 2 | Go to Symptoms - Wiper/Washer Systems |
| 2 |
|
- | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
| 3 | Do the windshield 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 to 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 8 |
| 7 |
|
- | Go to Step 18 | Go to Step 9 |
| 8 | Test the washer fluid pump 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 |
| 9 |
|
- | Go to Step 11 | Go to Step 10 |
| 10 | Test the washer fluid pump supply voltage circuit for an open or short to ground. 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 |
| 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 rear window 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 15 |
| 13 | Inspect for poor connections at the turn signal/multifunction 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 turn signal/multifunction switch. Refer to Multifunction, Turn Signal Switch Replacement in Steering Wheel and Column. Is the repair complete? |
- | Go to Step 20 | - |
| 15 | Inspect for poor connections at the windshield wiper motor and module. 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 and module. Refer to Wiper Motor Replacement . Is the repair complete? |
- | Go to Step 20 | - |
| 17 | Replace the washer fluid pump relay. Is the repair complete? |
- | Go to Step 20 | - |
| 18 | Inspect for poor connections at the washer fluid 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 washer fluid pump. Refer to Washer Pump Replacement . Is the repair complete? |
- | 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 |