GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you review the operation and perform the necessary inspections?

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Go to Step 2

Go to Symptoms

2

Disconnect the instrument cluster connector C1.

Does the door ajar message turn off?

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Go to Step 3

Go to Step 4

3

Repair a short to ground in the signal circuit of the door ajar switch. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Is the repair complete?

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Go to Step 5

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4

Important: Perform the set up procedure for the IP.

Replace the IPC. Refer to Instrument Cluster Replacement in Instrument Panel, Gauges, and Console.

Did you complete the replacement and the set up procedure?

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Go to Step 5

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5

  1. Close all vehicle doors.
  2. Turn ON the ignition, with the engine OFF.
  3. Observe the instrument cluster.

Does the IP display the door ajar message?

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Go to Step 2

System OK