GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2000 🢒 Regal 🢒 Body and Accessories 🢒 Body Rear End 🢒 Rear Compartment Lid Release Inoperative

Step

Action

Values

Yes

No

1

Was the Rear Compartment Lid Release System Check performed?

--

Go to Step 2

Go to Diagnostic System Check - Body Rear End

2

Activate the power door lock switch in one direction and then in the other direction.

Do the door locks activate?

--

Go to Step 3

Go to Step 13

3
  1. With a test light, connect between the rear compartment lid release relay terminal C2 and B+.
  2. Using a Tech 2, activate the rear compartment lid lock release actuator.

Does the test light illuminate?

--

Go to Step 4

Go to Step 5

4
  1. With a test light, backprobe between the body control module (BCM) connector C3 terminal A9 and B+.
  2. Using a Tech 2, activate the rear compartment lid lock release actuator.

Does the test light illuminate?

--

Go to Step 6

Go to Step 10

5
  1. With a test light, backprobe between the rear compartment lid lock release actuator connector terminal A and terminal B.
  2. Using a Tech 2, activate the rear compartment lid lock release actuator.

Does the test light illuminate?

--

Go to Step 15

Go to Step 7

6

With a test light, connect between the rear compartment lid lock release actuator terminal B and B+.

Does the test light illuminate?

--

Go to Step 11

Go to Step 13

7

With a test light, connect between the rear compartment lid release relay connector terminal C1 and ground.

Does the test light illuminate?

--

Go to Step 8

Go to Step 16

8
  1. Using a 5 A fused jumper, connect between the rear compartment lid release relay terminal C1 and terminal A2.
  2. With a test light, connect between the rear compartment lid lock release actuator terminal A and ground.

Does the test light illuminate?

--

Go to Step 9

Go to Step 14

9
  1. Replace the BCM. Refer to Body Control Module Replacement in Body Control Systems for service procedure.
  2. Perform the new BCM setup procedure. Refer to Body Control Module (BCM) Programming/RPO Configuration in Body Control Systems for service procedure.

Is the repair complete?

--

Go to Step 12

--

10

Replace the rear compartment lid lock release actuator. Refer to Rear Compartment Lid Lock Actuator Replacement for service procedure.

Is the repair complete?

--

Go to Step 16

--

11

Replace the rear compartment lid release relay.

Is the repair complete?

--

Go to Step 16

--

12

Locate and repair the open in circuit  350. Testing for Intermittent Conditions and Poor Connections in Wiring Systems.

Is the repair complete?

--

Go to Step 16

--

13

Locate and repair the open in circuit  1540. Testing for Intermittent Conditions and Poor Connections in Wiring Systems.

Is the repair complete?

--

Go to Step 16

--

14

Locate and repair the open in circuit  253. Testing for Intermittent Conditions and Poor Connections in Wiring Systems.

Is the repair complete?

--

Go to Step 16

--

15

Locate and repair the open in circuit  56. Testing for Intermittent Conditions and Poor Connections in Wiring Systems.

Is the repair complete?

--

Go to Step 16

--

16

Verify that the system operates properly.

Does the system operate properly ?

--

System OK

Go to Symptoms