Washers Inoperative
WARNING: This page is about a different car, the 2007 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 Schematics Connector End View Reference: Wiper/Washer 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 | 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 . 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
. 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
. 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
. 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
. 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 switch. Refer to Testing for Intermittent Conditions and Poor Connections
and Connector Repairs
. Did you find and correct the condition? |
- | Go to Step 20 | Go to Step 14 |
| 14 | Replace the turn signal/multifunction switch. Refer to Turn Signal Multifunction Switch Replacement . 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
. Did you find and correct the condition? |
- | Go to Step 20 | Go to Step 16 |
| 16 | Replace the windshield wiper motor. Refer to Wiper Motor Cover Replacement - Front . 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
. 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 |