GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Rear Compartment Lid Release System Check?

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Go to Step 2

Go to Rear Compartment Lid Release System Check

2

Disconnect the rear compartment lid lock release actuator connector.

Will the trunk lid latch?

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Go to Step 3

Go to Step 4

3

  1. Disconnect the rear compartment lid release relay.
  2. Use a test light in order to probe between the relay terminal A2 and ground.

Does the test light illuminate?

--

Go to Step 5

Go to Step 6

4

  1. Check the lock assembly and the release actuator for mechanical interference. Refer to Rear Compartment Lid Lock Actuator Replacement and Rear Compartment Lid Lock Actuator Replacement for service procedure.
  2. Repair or replace as necessary.

Is the repair complete?

--

Go to Rear Compartment Lid Release System Check

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5

Repair a short to B+ in circuit 56.

Is the repair complete?

--

Go to Rear Compartment Lid Release System Check

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6

Replace the rear compartment lid release relay.

Is the repair complete?

--

Go to Rear Compartment Lid Release System Check

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7

  1. Turn the ignition switch to the LOCK position.
  2. Reconnect all the connectors/components that have been disconnected.

Are all repairs complete?

--

Go to Rear Compartment Lid Release System Check

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