Power Door Lock Inoperative - Driver Door
WARNING: This page is about a different car, the 2004 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
Power Door Lock Inoperative - Driver Door
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Door Lock/Indicator Schematics Connector End View Reference: Power Door Systems Connector End Views DEFINITION: The driver door lock actuator or lock switch does not operate. |
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| 1 | Did you perform the Door Systems Diagnostic System Check? | Go to Step 2 | Go to Diagnostic System Check - Door Systems |
| 2 | Verify that the Power Door Lock Inoperative - Driver Door fault is present. Do the door locks operate as described in the Power Door Locks Description and Operation? |
Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
| 3 |
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Go to Step 6 | Go to Step 4 |
| 4 |
IMPORTANT:
If the 3-amp fuse of the jumper wire opens when the jumper wire is connected, test the appropriate signal circuit for a short to voltage.
|
Go to Step 5 | Go to Step 7 |
| 5 | Connect the 3-amp fused jumper wire between the lock switch lock signal circuit and the ground circuit of the harness connector while observing the appropriate scan tool parameter. Did the scan tool parameter change to the Lock state? |
Go to Step 10 | Go to Step 13 |
| 6 |
|
Go to Step 12 | Go to Step 8 |
| 7 | Test the signal circuits of the driver door lock switch for a short to ground or an open. Refer to Circuit Testing
and to Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 17 | Go to Step 11 |
| 8 | Test the lock control circuit of the driver door lock actuator for an open. Refer to Circuit Testing
and to Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 17 | Go to Step 9 |
| 9 | Test the unlock control circuit of the driver door lock actuator for an open. Refer to Circuit Testing
and to Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 17 | Go to Step 11 |
| 10 | Inspect for poor connections at the harness connector of the driver door lock switch. Refer to Testing for Intermittent Conditions and Poor Connections
and to Connector Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 17 | Go to Step 14 |
| 11 | Inspect for poor connections at the harness connector of the body control module (BCM). Refer to Testing for Intermittent Conditions and Poor Connections
and to Connector Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 17 | Go to Step 15 |
| 12 | Inspect for poor connections at the harness connector of the driver door lock actuator. Refer to Testing for Intermittent Conditions and Poor Connections
and to Connector Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 17 | Go to Step 16 |
| 13 | Repair the open ground circuit of the driver door lock switch. Refer to Wiring Repairs
in Wiring Systems. Did you complete the repair? |
Go to Step 17 | - |
| 14 | Replace the driver door lock switch. Refer to Mirror, Window, and Door Lock Switch Replacement . Did you complete the replacement? |
Go to Step 17 | - |
| 15 | Replace the body control module (BCM). Refer to Body Control Module Replacement
in Body Control System. Did you complete the replacement? |
Go to Step 17 | - |
| 16 | Replace the driver door lock actuator. Refer to Lock Actuator Replacement - Front Door . Did you complete the replacement? |
Go to Step 17 | - |
| 17 | Operate the system in order to verify the repair. Did you correct the condition? |
System OK | Go to Step 2 |