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Home >> Chevrolet >> 2006 >> Cobalt LTZ >> Repair and Diagnosis >> External Pages >> Different car >> Section 644 (Door Lock Systems & Door Handles) >> Diagnostic Information and Procedures >> Power Door Locks Inoperative >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2007 Pontiac G5 Pursuit, 2007 Pontiac G5, and 2007 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON, observe the Door Lock switch parameter while pressing the appropriate door lock switch. The reading should change between Lock and Unlock.
    • If the reading does not change between commanded states, refer to Door Lock Switch Malfunction below
  2. Ignition ON, command the Door Latch to Lock and Unlock with the scan tool, the door should Lock and Unlock.
    • If the door does not Lock and Unlock when changing between commanded states, refer to Door Lock Malfunction below.
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