Step | Action | Yes | No |
|---|---|---|---|
1 | Did you perform the Door System Diagnostic System Check? | Go to Step 2 | |
2 | Verify that the endgate power door locks inoperative fault is present. Do the endgate power door locks operate normally? | Go to Testing for Intermittent Conditions and Poor Connections | Go to Step 3 |
3 |
Does the test lamp illuminate? | Go to Step 4 | Go to Step 6 |
4 |
Does the test lamp illuminate? | Go to Step 5 | Go to Step 7 |
5 |
Does the test lamp illuminate? | Go to Step 8 | Go to Step 9 |
6 | Test the endgate lock actuator unlock control circuit for a short to ground or 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 9 |
7 | Test the endgate lock actuator lock control circuit for a short to ground or 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 9 |
8 | Inspect for poor connections at the endgate lock actuator(s). 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 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 12 | Go to Step 11 |
10 | Replace the inoperative endgate lock actuator. Refer to Endgate Latch Replacement in Body Rear End. Did you complete the repair? | Go to Step 12 | -- |
11 | Replace the body control module (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 find and correct the condition? | System OK | Go to Step 2 |
