Wipers Inoperative - All Modes
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.
Wipers Inoperative - All Modes
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Wiper/Washer Schematics Connector End View Reference: Wiper/Washer Connector End Views DEFINITION: Windshield wipers are inoperative in all modes. |
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| 1 | Did you perform 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 Step 3 | Go to Testing for Intermittent Conditions and Poor Connections |
| 3 |
|
Go to Step 9 | Go to Step 4 |
| 4 |
|
Go to Step 5 | Go to Step 7 |
| 5 | Connect a test lamp from battery positive voltage to the windshield wiper motor ground circuit terminal in the windshield wiper motor module harness connector. Does the test lamp illuminate? |
Go to Step 6 | Go to Step 8 |
| 6 |
|
Go to Step 12 | Go to Step 11 |
| 7 | Repair the accessory voltage supply circuit to the windshield wiper motor and module for an open or short to ground. Refer to Circuit Testing
and Wiring Repairs
. Is the repair complete? |
Go to Step 15 | - |
| 8 | Repair the windshield wiper motor and module ground circuit for an open or high resistance. Refer to Circuit Testing
and Wiring Repairs
. Is the repair complete? |
Go to Step 15 | - |
| 9 | Inspect for poor connections at the windshield wiper/washer switch. Refer to Testing for Intermittent Conditions and Poor Connections
and Connector Repairs
. Did you find and correct the condition? |
Go to Step 15 | Go to Step 10 |
| 10 | Replace the windshield wiper/washer switch. Refer to Turn Signal Multifunction Switch Replacement
. Is the repair complete? |
Go to Step 15 | - |
| 11 | Inspect for poor connections at the windshield wiper motor module. Refer to Testing for Intermittent Conditions and Poor Connections
and to Connector Repairs
. Did you find and correct the condition? |
Go to Step 15 | Go to Step 13 |
| 12 | Inspect for poor connections at the windshield wiper motor. Refer to Testing for Intermittent Conditions and Poor Connections
and Connector Repairs
. Did you find and correct the condition? |
Go to Step 15 | Go to Step 14 |
| 13 | Replace the windshield wiper motor cover. Refer to Wiper Motor Cover Replacement - Front . Is the repair complete? |
Go to Step 15 | - |
| 14 | Replace the windshield wiper motor. Refer to Wiper Motor Replacement . Is the repair complete? |
Go to Step 15 | - |
| 15 | Operate the system in order to verify the repair. Did you correct the condition? |
System OK | Go to Step 3 |