Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Wipers Inoperative - All Modes
2006 Buick Allure CXSSECTION Wipers Inoperative - All Modes
Wipers Inoperative - All Modes
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Wiper/Washer System Schematics Connector End View Reference: Master Electrical Component List |
|||
| 1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle |
| 2 |
|
Go to Step 3 | Go to Testing for Intermittent Conditions and Poor Connections |
| 3 |
|
Go to Step 4 | Go to Step 5 |
| 4 | Test for a poor connection or an open in the ground circuit of the windshield wiper motor. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 19 | Go to Step 6 |
| 5 | Test for a short to ground in the wiper motor low speed supply circuit. Refer to Circuit Testing
and Wiring Repairs
. Did you find and correct the condition? |
Go to Step 19 | Go to Step 8 |
| 6 | Test for a short to ground in the wiper motor high speed supply circuit. Refer to Circuit Testing
and Wiring Repairs
. Did you find and correct the condition? |
Go to Step 19 | Go to Step 7 |
| 7 | Test for a short to ground in the windshield wiper motor park switch signal circuit. Refer to Circuit Testing
and Wiring Repairs
. Did you find and correct the condition? |
Go to Step 19 | Go to Step 14 |
| 8 |
|
Go to Step 12 | Go to Step 9 |
| 9 |
|
Go to Step 10 | Go to Step 15 |
| 10 | Using a test lamp connected to ground, probe the WIPER/WS fuse circuit of the WIPER relay. Does the test lamp illuminate? |
Go to Step 11 | Go to Step 16 |
| 11 | Replace the WIPER relay. Refer to Relay Replacement (Within an Electrical Center)
or Relay Replacement (Attached to Wire Harness)
. Do the windshield wipers operate normally? |
Go to Step 19 | Go to Step 16 |
| 12 |
|
Go to Step 17 | Go to Step 13 |
| 13 | Test for a poor connection or an open in the ground circuit of the windshield wiper/washer switch. Refer to Circuit Testing
and Wiring Repairs
. Did you find and correct the condition? |
Go to Step 19 | Go to Step 18 |
| 14 | Replace the windshield wiper motor. Refer to Wiper Motor Replacement . Did you complete the replacement? |
Go to Step 19 | - |
| 15 | Repair a poor connection or an open in the ground circuit of the WIPER relay. Refer to Circuit Testing
and Wiring Repairs
. Did you complete the repair? |
Go to Step 19 | - |
| 16 | Replace the underhood fuse block. Refer to Underhood Electrical Center or Junction Block Replacement
. Did you complete the replacement? |
Go to Step 19 | - |
| 17 | Replace the windshield wiper/washer switch. Refer to Wipers/Washer Switch Replacement . Did you complete the replacement? |
Go to Step 19 | - |
| 18 | Replace the body control module (BCM). Refer to Control Module References
for replacement, setup and programming. Did you complete the replacement? |
Go to Step 19 | - |
| 19 | Operate the system in order to verify the repair. Did you correct the condition? |
System OK | Go to Step 3 |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.