GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the instrument cluster diagnostic system check?

--

Go to Step 2

Go to Instrument Cluster System Check

2

  1. Turn the ignition switch to OFF
  2. Close all the vehicle doors
  3. Turn the ignition switch to ON
  4. Open and close one door at a time

Do any door ajar indicators illuminate?

--

Go to Step 3

Go to Step 8

3

  1. Disconnect the suspect door ajar indicator switch
  2. Connect a 3 amp fused jumper between the power side of the door ajar indicator switch connector and ground.

Does the appropriate door ajar indicator illuminate?

--

Go to Step 4

Go to Step 6

4

Connect a 3 amp fused jumper between the power side of the door ajar indicator switch connector and the ground side of the door ajar indicator switch

Does the appropriate door ajar indicator illuminate?

--

Go to Step 7

Go to Step 5

5

Repair the open in the ground side of the appropriate door ajar indicator switch.

Did you find and correct the repair?

Go to Step 9

Go to Step 8

6

Repair the open in the power side of the appropriate door ajar indicator switch

Is the repair complete?

--

Go to Step 9

--

7

Replace the appropriate door ajar Indicator switch

Refer to Front Side Door Lock Replacement or Rear Door Lock Replacement

Is the repair complete?

--

Go to Step 9

--

8

Replace the instrument cluster. Refer to Instrument Cluster Replacement .

Is the action complete?

--

Go to Step 9

--

9

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3