Washer Inoperative - Rear
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.
Washer Inoperative - Rear
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Wiper/Washer System Schematics | |||
| 1 | Did you review the Rear 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 | Does the rear wiper motor operate when the washer switch is pressed? | Go to Step 6 | Go to Step 4 |
| 4 |
|
Go to Step 10 | Go to Step 5 |
| 5 | Test the rear 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 16 | Go to Step 12 |
| 6 |
|
Go to Step 7 | Go to Step 8 |
| 7 |
|
Go to Step 14 | Go to Step 9 |
| 8 | Test the rear washer pump supply circuit for an open or high resistance. Refer to CIRCUIT TESTING
and WIRING REPAIRS
. Did you find and correct the condition? |
Go to Step 16 | Go to Step 12 |
| 9 | Repair the rear washer pump ground circuit for an open or high resistance. Refer to CIRCUIT TESTING
and WIRING REPAIRS
. Is the repair complete? |
Go to Step 16 | - |
| 10 | Inspect for poor connections at the rear wiper motor. Refer to TESTING FOR INTERMITTENT AND POOR CONNECTIONS
and CONNECTOR REPAIRS
. Did you find and correct the condition? |
Go to Step 16 | Go to Step 11 |
| 11 | Replace the rear wiper motor. Refer to Wiper Motor Replacement - Rear . Is the repair complete? |
Go to Step 16 | - |
| 12 | Inspect for poor connections at the rear wiper/washer switch. Refer to TESTING FOR INTERMITTENT AND POOR CONNECTIONS
and CONNECTOR REPAIRS
. Did you find and correct the condition? |
Go to Step 16 | Go to Step 13 |
| 13 | Replace the rear wiper/washer switch. Refer to ACCESSORY SWITCH REPLACEMENT
. Is the repair complete? |
Go to Step 16 | - |
| 14 | Inspect for poor connections at the rear washer pump. Refer to TESTING FOR INTERMITTENT AND POOR CONNECTIONS
and CONNECTOR REPAIRS
. Did you find and correct the condition? |
Go to Step 16 | Go to Step 15 |
| 15 | Replace the rear washer pump. Refer to Washer Pump Replacement . Is the repair complete? |
Go to Step 16 | - |
| 16 | Operate the system in order to verify the repair. Did you correct the condition? |
System OK | Go to Step 3 |