Trunk Release Inoperative
Trunk Release Inoperative
| Step | Action | Yes | No |
|---|---|---|---|
| 1 | Did you perform A Diagnostic System Check - Body Rear End? | Go to Step 2 | Go to Diagnostic System Check - Body Rear End |
| 2 | Operate the rear compartment lid release switch. Does the rear compartment release? |
Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
| 3 | With a scan tool command the rear compartment lid release relay control ON and OFF. Does the rear compartment release? |
Go to Step 4 | Go to Step 6 |
| 4 |
|
Go to Step 5 | Go to Step 12 |
| 5 | Connect a fused jumper wire between the rear compartment lid release switch signal circuit and the rear compartment lid release switch ground circuit. Does the scan tool display active? |
Go to Step 14 | Go to Step 17 |
| 6 |
|
Go to Step 7 | Go to Step 20 |
| 7 |
|
Go to Step 8 | Go to Step 11 |
| 8 | Momentarily connect a fused jumper wire between the rear compartment lid release relay battery positive voltage circuit and the signal circuit of the rear compartment lid release actuator. Does the rear compartment lid release? |
Go to Step 13 | Go to Step 9 |
| 9 |
|
Go to Step 10 | Go to Step 18 |
| 10 | Connect a test lamp between the rear compartment lid release actuator signal circuit and the ground circuit of the rear compartment lid release actuator. With a scan tool command the rear compartment lid release relay control ON. Does the test lamp illuminate? |
Go to Step 16 | Go to Step 19 |
| 11 | Test the control circuit of the rear compartment lid release relay for an open or high resistance. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 25 | Go to Step 15 |
| 12 | Test the signal circuit of the rear compartment lid release switch 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 25 | Go to Step 15 |
| 13 | Inspect for poor connections at rear compartment lid release 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 25 | Go to Step 21 |
| 14 | Inspect for poor connections at the harness connector of the rear compartment lid release 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 25 | Go to Step 22 |
| 15 | 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 25 | Go to Step 24 |
| 16 | Inspect for poor connections at the harness connector of the rear compartment lid release 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 25 | Go to Step 23 |
| 17 | Repair the open or high resistance in the ground circuit of the rear compartment lid release switch. Refer to Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 25 | - |
| 18 | Repair the open or high resistance in the signal circuit of the rear compartment lid release actuator. Refer to Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 25 | - |
| 19 | Repair the open or high resistance in the ground circuit of the rear compartment lid release actuator. Refer to Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 25 | - |
| 20 | Repair the open or high resistance in the battery positive circuit of the rear compartment lid release relay. Refer to Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 25 | - |
| 21 | Replace the rear compartment lid release relay. Did you complete the replacement? |
Go to Step 25 | - |
| 22 | Replace the rear compartment lid release switch. Did you complete the replacement? |
Go to Step 25 | - |
| 23 | Replace the rear compartment lid release actuator. Did you complete the replacement? |
Go to Step 25 | - |
| 24 |
IMPORTANT:
When replacing the body control module (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 replacement? |
Go to Step 25 | - |
| 25 | Operate the system in order to verify the repair. Did you correct the condition? |
System OK | Go to Step 2 |