Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Door Lock/Indicator Schematics | |||
1 | Did you perform the Door Systems Diagnostic System Check? | Go to Step 2 | |
2 | Verify the fault is present. Does the system operate as described in the Description and Operation? | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 |
Does the scan tool display Idle? | Go to Step 4 | Go to Step 9 |
4 | Activate the door lock switches to both the Lock and Unlock positions. Did the parameter change to both Lock and Unlock with each corresponding switch press? | Go to Step 5 | Go to Step 11 |
5 |
Did the test lamp illuminate when you activated the lock switch to the Lock position? | Go to Step 6 | Go to Step 20 |
6 |
Did the test lamp illuminate when you activated the lock switch to the Unlock position? | Go to Step 7 | Go to Step 13 |
7 |
Did the test lamp illuminate for each position? | Go to Step 21 | Go to Step 8 |
8 |
Did the test lamp illuminate? | Go to Step 24 | Go to Step 25 |
9 |
Does the scan tool display Idle? | Go to Step 23 | Go to Step 10 |
10 |
Does the scan tool display Idle? | Go to Step 23 | Go to Step 18 |
11 |
Does the scan tool display the inoperative state? | Go to Step 12 | Go to Step 19 |
12 | Connect a 3 amp fused jumper wire between the door lock switch signal circuit of the inoperative state and the ground circuit of the harness connector. Does the scan tool display the inoperative state? | Go to Step 23 | Go to Step 26 |
13 | Test the door lock actuator unlock control circuit for an open or a high resistance. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 32 | Go to Step 14 |
14 |
Does the test lamp illuminate? | Go to Step 17 | Go to Step 15 |
15 |
Did the test lamp illuminate when you activated the lock switch to the Unlock position? | Go to Step 24 | Go to Step 16 |
16 | Test the power door lock relay unlock control circuit for a short to battery positive voltage or an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 32 | Go to Step 22 |
17 | Test the power door lock relay unlock control circuit 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 32 | Go to Step 22 |
18 | Test the lock switch signal circuits 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 32 | Go to Step 22 |
19 | Test the appropriate lock switch signal circuit for an open or a high resistance. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 32 | Go to Step 22 |
20 | Test the door lock actuator lock control circuit for an open or a high resistance. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 32 | Go to Step 27 |
21 | Inspect for poor connections at the harness connector of the passenger door power lock actuator. 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 32 | Go to Step 30 |
22 | Inspect for poor connections at the harness connector of the body control module (BCM). 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 32 | Go to Step 28 |
23 | Inspect for poor connections at the harness connector of the inoperative door lock 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 32 | Go to Step 29 |
24 | Inspect for poor connections at the harness connector of the power door lock relay. 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 32 | Go to Step 31 |
25 | Repair the open in the ground circuit of the power door lock relay. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 32 | -- |
26 | Repair the open in the door lock switch ground circuit. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 32 | -- |
27 | Repair the short to ground in the door lock actuator lock control circuit. Refer to Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 32 | -- |
28 | Replace the body control module (BCM). Refer to Body Control Module Replacement in Body Control System. Did you complete the replacement? | Go to Step 32 | -- |
29 | Replace the inoperative door lock switch. Refer to Door Lock Switch Replacement . Did you complete the replacement? | Go to Step 32 | -- |
30 | Replace the inoperative passenger door power lock actuator. Refer to Door Lock Actuator Replacement . Did you complete the replacement? | Go to Step 32 | -- |
31 | Replace the power door lock relay. Did you complete the replacement? | Go to Step 32 | -- |
32 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Go to Step 2 |
