Step | Action | Yes | No |
---|---|---|---|
Schematic Reference: Door Lock/Indicator Schematics Important:: The automatic door lock system can be programed to perform different functions and may also be disabled. Before continuing with the diagnosis of the system, ensure that the automatic door locks are programmed to perform the specific function that is the cause of the complaint. For further information, refer to Vehicle Personalization in Personalization. | |||
1 | Did you perform the Power Door Systems Diagnostic System Check? | Go to Step 2 | |
2 | Lock and unlock the doors from any of the door lock switches. Does the door lock system function properly? | Go to Step 3 | Go to Symptoms - Doors |
3 |
Do the doors lock and unlock when commanded? | Go to Step 4 | Go to Step 7 |
4 |
Does the scan tool display the correct mph? | Go to Step 5 | Go to Step 8 |
5 | Did the doors lock? | Go to Step 6 | Go to Step 11 |
6 |
Did the doors unlock? | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 9 |
7 | Test for an open in the door lock and door unlock control circuits. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 12 | Go to Step 10 |
8 | Test for an open or high resistance in the VSS signal circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 12 | Go to Step 10 |
9 | Test for a short to ground in the key in ignition switch signal circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 12 | Go to Step 10 |
10 | Inspect for poor connections at the BCM harness connectors. 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 |
11 | Replace the BCM. Refer to Body Control Module Replacement in Body Control System. Did you complete the repair? | Go to Step 12 | -- |
12 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3 |