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Wipers Blades Do Not Park

WARNING: This page is about a different car, the 2006 Buick LaCrosse and 2006 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
Wipers Blades Do Not Park

Step Action Yes No
Schematic Reference: Wiper/Washer System Schematics 
Connector End View Reference: Wiper/Washer System Connector End Views 
DEFINITION: This table diagnoses the wipers operate normally but will not return to the park position when the wiper operation is cancelled.
1 Did you review the Wiper/Washer System Description and Operation and perform the necessary inspections? Go to Step 2  Go to Diagnostic Starting Point - Wiper/Washer Systems 
2
  1. Turn ON the ignition, with the engine OFF.
  2. Move the wiper switch to the LO position.
  3. Move the wiper switch to the OFF position.
Do the front wipers return to the park position?		 Go to Testing for Intermittent Conditions and Poor Connections Go to Step 3 
3
  1. Disconnect the wiper motor connector.
  2. Using a test lamp, back probe between the park circuit and ground at the wiper motor connector.
  3. Turn ON the ignition, with the engine OFF.
  4. Move the wiper switch to the LO position.
Does the test lamp flash On and Off with each rotation of the wiper motor?		 Go to Step 5  Go to Step 4 
4 Test for the following in the windshield wiper motor park switch signal circuit:
  • An open
  • A poor connection
  • A short to battery positive voltage

Refer to Circuit Testing and Wiring Repairs .
Did you find and correct the condition?		 Go to Step 8  Go to Step 7 
5 Inspect for poor connections at the harness connector of the wiper motor. Refer to Testing for Intermittent Conditions and Poor Connections andConnector Repairs .
Did you find and correct the condition?		 Go to Step 8  Go to Step 6 
6 Replace the wiper motor. Refer to Wiper Motor Replacement .
Did you complete the replacement?		 Go to Step 8  -
7 Replace the body control module. Refer to Control Module References for replacement, setup and programming.
Did you complete the replacement?		 Go to Step 8  -
8 Operate the system in order to verify the repair.
Did you correct the condition?		 System OK Go to Step 3 
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