Wiper Inoperative - Rear
WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
Wiper Inoperative - Rear
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Wiper/Washer System Schematics Connector End View Reference: Wiper/Washer System Connector End Views DEFINITION: The rear wiper motor is inoperative in one or more modes, the rear washer pump may or may not operate. |
|||
| 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 Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
| 3 | Does the rear wiper motor operate when the rear washer switch is pressed? | Go to Step 9 | Go to Step 4 |
| 4 |
|
Go to Step 5 | Go to Step 10 |
| 5 | Connect a 3 ampere fused jumper from the accessory voltage circuit of the rear wiper switch to the signal circuit of the rear wiper motor. Does the rear wiper motor operate? |
Go to Step 14 | Go to Step 6 |
| 6 |
|
Go to Step 7 | Go to Step 17 |
| 7 | Connect a test lamp from the accessory voltage circuit to the ground circuit of the rear wiper motor. Does the test lamp illuminate? |
Go to Step 15 | Go to Step 8 |
| 8 | Connect a test lamp from the accessory voltage circuit of the rear wiper motor to a good ground. Does the test lamp illuminate? |
Go to Step 19 | Go to Step 18 |
| 9 |
|
Go to Step 15 | Go to Step 13 |
| 10 | Test the accessory voltage circuit of the rear wiper/washer switch for an open or short to ground. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 22 | Go to Step 11 |
| 11 | Test the accessory voltage circuit of the rear wiper motor 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 22 | Go to Step 12 |
| 12 | Test the signal circuit of the rear wiper/washer switch 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 22 | Go to Step 16 |
| 13 | Test the signal circuit of the rear wiper/washer switch for an open or high resistance. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 22 | Go to Step 14 |
| 14 | Inspect for poor connections at the rear wiper/washer switch. Refer to Testing for Intermittent Conditions and Poor Connections
and Connector Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 22 | Go to Step 20 |
| 15 | Inspect for poor connections at the rear wiper motor. Refer to Testing for Intermittent Conditions and Poor Connections
and Connector Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 22 | Go to Step 21 |
| 16 | Repair a short to ground in the control circuit of the rear washer pump. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you complete the repair? |
Go to Step 22 | - |
| 17 | Repair an open or high resistance the signal circuit of the rear wiper/washer switch. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you complete the repair? |
Go to Step 22 | - |
| 18 | Repair an open or high resistance in the accessory voltage circuit of the rear wiper motor. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you complete the repair? |
Go to Step 22 | - |
| 19 | Repair an open or high resistance in the ground circuit of the rear wiper motor. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you complete the repair? |
Go to Step 22 | - |
| 20 | Replace the rear wiper/washer switch. Refer to Instrument Panel (I/P) Multifunction Switch Assembly Replacement
in Instrument Panel, Gages, and Console. Did you complete the replacement? |
Go to Step 22 | - |
| 21 | Replace the rear wiper motor. Refer to Wiper Motor Replacement - Rear . Did you complete the replacement? |
Go to Step 22 | - |
| 22 | Operate the system in order to verify the repair. Did you correct the condition? |
System OK | Go to Step 3 |