Washers Inoperative
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2002 GMC Yukon XL, 2002 GMC Yukon, 2002 Chevrolet Tahoe, 2002 Chevrolet Suburban, and 2002 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Washers Inoperative
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Wiper/Washer System Schematics | |||
| 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 AND POOR CONNECTIONS | Go to Step 3 |
| 3 |
|
Go to Step 8 | Go to Step 4 |
| 4 | Test the windshield washer pump ground circuit for an open or high resistance. Refer to CIRCUIT TESTING
and WIRING REPAIRS
. Did you find and correct the condition? |
Go to Step 10 | Go to Step 5 |
| 5 | Test the windshield washer pump control 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 10 | Go to Step 6 |
| 6 | Inspect for poor connections at the windshield wiper/washer switch. Refer to TESTING FOR INTERMITTENT AND POOR CONNECTIONS
and CONNECTOR REPAIRS
. Did you find and correct the condition? |
Go to Step 10 | Go to Step 7 |
| 7 | Replace the windshield wiper/washer switch. Refer to MULTIFUNCTION, TURN SIGNAL, AND HAZARD SWITCH REPLACEMENT - ON VEHICLE
. Is the repair complete? |
Go to Step 10 | - |
| 8 | Inspect for poor connections at the windshield washer pump. Refer to TESTING FOR INTERMITTENT AND POOR CONNECTIONS
and CONNECTOR REPAIRS
. Did you find and correct the condition? |
Go to Step 10 | Go to Step 9 |
| 9 | Replace the windshield washer pump. Refer to Washer Pump Replacement . Is the repair complete? |
Go to Step 10 | - |
| 10 | Operate the system in order to verify the repair. Did you correct the condition? |
System OK | Go to Step 3 |