GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

  1. Disconnect the audio alarm module.
  2. Connect a fused jumper between terminals C2 and D2 in the audio alarm module harness connector.

Does the fused jumper blow?

--

Go to Step 2

Go to Step 3

2

Repair the short to ground in CKT 529 (DK GRN/WHT) between terminal C2 in the audio alarm module harness connector and terminal 8 in the driver information center.

Does the fused jumper still blow?

--

Go to Step 4

--

3

Does the seat belt indicator lamp light?

--

Go to Step 4

Go to Step 5

4

Replace the audio alarm module.

Is the repair complete?

--

System OK

--

5

  1. Disconnect the driver information center.
  2. Connect a J 39200

Does the DMM indicate voltage?

--

Go to Step 6

Go to Step 7

6

Connect a J 39200

Does the DMM indicate voltage?

--

Go to Step 8

Go to Step 9

7

Repair the open in CKT 250 (BLK) between terminal 10 in the driver information center harness connector and G101 (diesel), or G111 (gas).

Is the repair complete?

--

System OK

--

8

Replace the driver information center.

Is the repair complete?

--

System OK

--

9

Repair the open in CKT 529 (DK GRN/WHT) between terminal 8 in the driver information center harness connector and terminal C2 in the audio alarm module harness connector.

Is the repair complete?

--

System OK

--