Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Did you perform the Body Rear End Diagnostic System Check? | -- | Go to Step 2 | |
2 | IMPORTANT, On the Chevy Impala Police Vehicles Only (9C1) the rear compartment lid release is powered through the BCM with the ignition on. And will not open with ignition off.
Did the rear compartment lid release? | -- | Go to Testing for Intermittent Conditions and Poor Connections | Go to Step 3 |
3 |
Is the Trunk Release Switch input Disabled/Inactive/OFF? | -- | Go to Step 4 | Go to Step 8 |
4 | While observing the Trunk Release Switch Input on the scan tool, press the rear compartment lid release switch. Did the Trunk Release Switch Input change states? | -- | Go to Step 5 | Go to Step 10 |
5 | While observing the Trunk Motor Output on the scan tool, press the rear compartment lid release switch. Did the Trunk Release Motor Output change states? | -- | Go to Step 6 | Go to Step 22 |
6 |
Did the test light flash? | -- | Go to Step 7 | Go to Step 15 |
7 | Check for a poor connection at the rear 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 23 | Go to Step 20 |
8 |
Is the Trunk Release Switch Input still Active? | -- | Go to Step 9 | Go to Step 19 |
9 | Test the rear compartment lid release input 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 23 | Go to Step 22 |
10 |
Is the Trunk Release Switch Input Enabled/Active/ON? | -- | Go to Step 11 | Go to Step 12 |
11 | Inspect for a 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 23 | Go to Step 19 |
12 |
Is the Trunk Release Switch Input Active/Enabled/ON? | -- | Go to Step 21 | Go to Step 13 |
13 |
Did you find and correct the condition? | -- | Go to Step 23 | Go to Step 14 |
14 | Inspect the rear compartment lid release input circuit for a poor connection 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 23 | Go to Step 22 |
15 |
Did the test light flash? | -- | Go to Step 18 | Go to Step 16 |
16 | Test the rear compartment lid release output circuit for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 23 | Go to Step 17 |
17 | Repair the rear compartment lid release output circuit for a poor connection. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Step 23 | -- |
18 | Repair the rear compartment lid release actuator ground circuit for a high resistance or an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Step 23 | -- |
19 | Replace the rear compartment lid release switch. Refer to Rear Compartment Lid Switch Replacement in Body Rear End. Did you complete the replacement? | -- | Go to Step 23 | -- |
20 | Replace the rear compartment lid release actuator. Refer to Rear Compartment Lid Latch Replacement . Did you complete the replacement? | -- | Go to Step 23 | -- |
21 | Repair the rear compartment lid release switch ground circuit for a high resistance or an open. Did you complete the repair? | -- | Go to Step 23 | -- |
22 | Replace the Body Control Module. Refer to Body Control Module Replacement in Body Control System Did you complete the replacement? | -- | Go to Step 23 | -- |
23 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK | Go to Step 3 |
