GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Instrument Cluster System Check?

--

Go to Step 2

Go to Instrument Cluster System Check

2

  1. Disconnect the rear compartment lid latch switch connector.
  2. Turn the ignition switch to the RUN position.

Does the TRUNK AJAR indicator remain illuminated?

--

Go to Step 3

Go to Step 4

3

Inspect for a short to ground in CKT 744 (RED/BLK).

Is the wiring OK?

--

Go to Step 6

Go to Step 5

4

Inspect the rear compartment lid latch switch for proper terminal contact.

Is the terminal contact OK?

--

Go to Step 8

Go to Step 7

5

Repair the short to ground in CKT 744 (RED/BLK).

Did you complete the repair?

--

Go to Instrument Cluster System Check

--

6

Replace the instrument cluster.

Did you complete the repair?

--

Go to Instrument Cluster System Check

--

7

Repair the poor terminal contact.

Did you complete the repair?

--

Go to Instrument Cluster System Check

--

8

Replace the rear compartment lid latch switch.

Did you complete the repair?

--

Go to Instrument Cluster System Check

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