Step | Action | Yes | No |
---|---|---|---|
Schematic Reference: Door Lock/Indicator Schematics Connector End View Reference: Power Door Systems Connector End Views DEFINITION: This diagnostic table should be used to diagnose a failure of the door lock switch or one door lock actuator. | |||
1 | Did you perform the Door Systems Diagnostic System Check? | Go to Step 2 | |
2 | Activate the door lock switches to the lock and unlock positions. Do doors lock and unlock? | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 |
Is the data parameter active without a switch activation? | Go to Step 5 | Go to Step 4 |
4 |
Does the data parameter change with each switch activation? | Go to Step 7 | Go to Step 6 |
5 | Disconnect the inoperative door lock switch. Does the data parameter now display an inactive state? | Go to Step 10 | Go to Step 9 |
6 |
Does the test lamp illuminate? | Go to Step 9 | Go to Step 13 |
7 |
Does the test lamp illuminate? | Go to Step 8 | Go to Step 14 |
8 |
Does the test lamp illuminate? | Go to Step 12 | Go to Step 15 |
9 | Test for an open or short to ground in the door lock switch lock and unlock signal circuits. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 19 | Go to Step 11 |
10 | Inspect for poor connections at the harness connector of the rear 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 19 | Go to Step 16 |
11 | Inspect for poor connections at the harness connector of the body control module. 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 19 | Go to Step 17 |
12 | Inspect for poor connections at the harness connector of the door 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 19 | Go to Step 18 |
13 | Repair the open in the rear door lock switch ground circuit. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 19 | -- |
14 | Repair the open the door lock actuator lock circuit. Refer to Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 19 | -- |
15 | Repair the open in the door lock actuator unlock circuit. Refer to Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 19 | -- |
16 | Door lock switch. Did you complete the repair? | Go to Step 19 | -- |
17 |
Important: Perform the set procedure for the BCM. Refer to Body Control Module (BCM) Programming/RPO Configuration in Body Control System. Replace the BCM. Refer to Body Control Module Replacement in Body Control System. Did you complete the repair? | Go to Step 19 | -- |
18 | Replace the rear door lock actuator. Refer to Front Side Door Lock Actuator Replacement or Rear Side Door Lock Actuator Replacement . Did you complete the repair? | Go to Step 19 | -- |
19 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 2 |