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Home >> Buick >> 2007 >> Allure CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 24 (Door Lock Systems & Door Handles) >> Diagnostic Information and Procedures >> Power Door Lock Key Cylinder Switches Inoperative >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON, observe the function of the door locks while performing the LOCK and UNLOCK command using a scan tool, all doors should the LOCK and UNLOCK.
  2. Observe the scan tool LF Key Cylinder Lock Switch parameters while the turning and holding the key in the driver door lock cylinder to the left and then to the right, reading should change from Idle to Lock and Unlock.
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