Washers Always On
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
Washers Always On Diagnostic Test
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Wiper/Washer System Schematics Connector End View Reference: Wiper/Washer System Connector End Views DEFINITION: The windshield washer pump is always ON. |
|||
| 1 | Did you perform the Wiper/Washer Diagnostic System Check? | Go to Step 2 | Go to Diagnostic System Check - Wiper/Washer |
| 2 |
|
Go to Step 3 | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems |
| 3 | Are the windshield washer wipers always ON? | Go to Step 4 | Go to Step 6 |
| 4 |
|
Go to Step 5 | Go to Step 11 |
| 5 | Test the windshield wiper switch signal 1 circuit for a short to voltage. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 13 | Go to Step 10 |
| 6 | Disconnect the windshield washer relay. Is the windshield washer pump ON? |
Go to Step 8 | Go to Step 7 |
| 7 | Connect a test lamp from battery positive voltage to the windshield washer relay control circuit terminal in the underhood fuse block. Does the test lamp illuminate? |
Go to Step 9 | Go to Step 12 |
| 8 | Repair the windshield washer pump control circuit for a short to voltage. Refer to Wiring Repairs
in Wiring Systems. Is the repair complete? |
Go to Step 13 | - |
| 9 | Test the windshield washer relay control circuit for a short to ground. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 13 | Go to Step 11 |
| 10 | Replace the windshield wiper/washer switch. Refer to Multifunction, Turn Signal Switch Replacement
in Steering Wheel and Column. Is the repair complete? |
Go to Step 13 | - |
| 11 | Replace the windshield wiper motor cover. Refer to Wiper Motor Cover Replacement . Is the repair complete? |
Go to Step 13 | - |
| 12 | Replace the windshield washer relay. Is the repair complete? |
Go to Step 13 | - |
| 13 | Operate the system in order to verify the repair. Did you correct the condition? |
System OK | Go to Step 3 |