Step | Action | Yes | No |
---|---|---|---|
Schematic Reference: Release Systems Schematics | |||
1 | Have you conducted the Diagnostic System Check - Vehicle? | Go to Step 2 | |
2 | Close the rear compartment. Is the trunk ajar indicator illuminated/message displayed? | Go to Step 3 | Go to Testing for Intermittent Conditions and Poor Connections |
3 |
Does the scan tool indicate the rear compartment lid is ajar? | Go to Step 4 | Go to Step 7 |
4 | Disconnect the rear compartment lid release actuator. Is the trunk ajar indicator illuminated/message displayed? | Go to Step 5 | Go to Step 6 |
5 | Check if the rear compartment ajar switch signal circuit is short to ground. Refer to Circuit Testing and Wiring Repairs . Do you find and correct the condition? | Go to Step 10 | Go to Step 9 |
6 | Check for poor connections at the harness connector of the rear compartment lid release actuator. Refer to Circuit Testing and Wiring Repairs . Do you find and correct the condition? | Go to Step 10 | Go to Step 6 |
7 | Replace the instrument panel cluster (IPC)/message center. Refer to Control Module References . Is the trouble corrected? | Go to Step 10 | -- |
8 | Replace the trunk release actuator. Refer to Rear Compartment Lid Switch Replacement . Is the trouble corrected? | Go to Step 10 | -- |
9 | Replace RIM. Refer to Control Module References for replacement, setup, and programming. Is the trouble corrected? | Go to Step 10 | -- |
10 | Operate the system to verify the repair. Is the failure removed? | System OK | Go to Step 3 |
Important: If the vehicle is not equipped with GM Trap Alert, please verify Trap Alert is not enabled by reprogramming the rear integration module (RIM) before using this table. Refer to Control Module References .
Step | Action | Yes | No |
---|---|---|---|
Schematic Reference: Release Systems Schematics | |||
1 | Have you conducted the Diagnostic System Check - Vehicle? | Go to Step 2 | |
2 | Open the rear compartment. Is the trunk ajar indicator illuminated/message displayed? | Go to Testing for Intermittent Conditions and Poor Connections | Go to Step 3 |
3 |
Does the scan tool indicate the rear compartment lid is ajar? | Go to Step 9 | Go to Step 4 |
4 |
Is the trunk ajar indicator illuminated/message displayed? | Go to Step 5 | Go to Step 7 |
5 | Connect a 3-amp fused jumper between the rear compartment ajar switch signal circuit and a good ground. Is the trunk ajar indicator illuminated/message displayed? | Go to Step 6 | Go to Step 8 |
6 | Check for poor connections at the harness connector of the rear compartment lid release actuator. Refer to Circuit Testing and Wiring Repairs . Do you find and correct the condition? | Go to Step 12 | Go to Step 10 |
7 | Test the rear compartment ajar switch signal circuit for high resistance or an open. Refer to Circuit Testing and Wiring Repairs . Do you find and correct the condition? | Go to Step 12 | -- |
8 | Repair open circuit or high resistance in rear compartment lid release actuator ground circuits. Refer to Circuit Testing and Wiring Repairs . Do you find and correct the condition? | Go to Step 12 | -- |
9 | Replace the instrument panel cluster (IPC)/message center. Refer to Control Module References for replacement, setup, and programming Is the trouble corrected? | Go to Step 12 | -- |
10 | Replace the trunk release actuator. Refer to Rear Compartment Lid Switch Replacement . Is the trouble corrected? | Go to Step 12 | -- |
11 | Replace RIM. Refer to Control Module References for replacement, setup, and programming. Did you complete the replacement? | Go to Step 12 | -- |
12 | Operate the system to verify the repair. Is the failure removed? | System OK | Go to Step 3 |