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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 174 (Door System, Mirror System & Window System) >> Diagnostic Information and Procedures >> Door Ajar Indicator Malfunction

Door Ajar Indicator Malfunction

WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.
Door Ajar Indicator Malfunction

Step Action Yes No
Schematic Reference: Door Lock/Indicator Schematics 
Connector End View Reference: Power Door Systems Connector End Views 
1 Did you review the Door Ajar Indicator Description and Operation? Go to Step 2  Go to Symptoms - Doors 
2 Verify that the door ajar indicator malfunction fault is present.
Does the door ajar indicator operate normally?
Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems Go to Step 3 
3 Is the door ajar indicator inoperative? Go to Step 4  Go to Step 7 
4
  1. Turn ON the ignition, with the engine OFF.
  2. Probe the door ajar indicator control circuit of the instrument panel cluster (IPC) connector with a test lamp connected to a good ground.
Does the test lamp and the door ajar indicator illuminate?
Go to Step 5  Go to Step 9 
5 Test the door ajar indicator control circuit of the appropriate door lock or sliding door jamb switch for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 12  Go to Step 6 
6 Test the ground circuit of the appropriate door lock or sliding door jamb switch for an open. Refer to Circuit Testing andWiring Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 12  Go to Step 8 
7 Test the door ajar indicator control circuit of the appropriate door lock or sliding door jamb 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 12  Go to Step 8 
8 Inspect for poor connections at the harness connector of the appropriate door lock or sliding door jamb 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 12  Go to Step 10 
9 Inspect for poor connections at the harness connector of the IPC. 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 12  Go to Step 11 
10 Replace the appropriate door lock or sliding door jamb switch. Refer to Lock Replacement - Front Door  or Contact Plate Replacement - Sliding Door Jamb .
Did you complete the replacement?
Go to Step 12  -
11 Replace the IPC. Refer to Control Module References in Computer/Integrating Systems for replacement, setup and programming.
Did you complete the replacement?
Go to Step 12  -
12 Operate the system in order to verify the repair.
Did you correct the condition?
System OK Go to Step 2