GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Audible Warning System Check?

--

Go to Step 2

Go to Audible Warnings System Check

2

  1. Remove the audio alarm module.
  2. Place the ignition switch in the RUN position.
  3. Connect a test lamp J 35616-200 from the convenience center CKT 39 (PNK) cavity K4 to ground.

Does the test lamp light?

--

Go to Step 3

Go to Step 4

3

Use a DMMJ 39200 in order to test for continuity from the convenience center CKT 550 (BLK) cavity K2 to ground.

Is there continuity?

--

Go to Step 5

Go to Step 6

4

Repair the open in CKT 39 (PNK) between the convenience center and the instrument panel fuse block.

Is the repair complete?

--

Go to Audible Warnings System Check

--

5

  1. Unfasten the safety belt.
  2. Connect a DMM J 39200 from the convenience center CKT 238 (BLK/WHT) cavity K1 to ground.

Is there continuity?

--

Go to Step 7

Go to Step 8

6

Repair the open in CKT 550 (BLK) between the convenience center and G105/G107.

Is the repair complete?

--

Go to Audible Warnings System Check

--

7

Replace the audio alarm module. Refer to Multifunction Alarm Module Replacement .

Is the repair complete?

--

Go to Audible Warnings System Check

--

8

Backprobe the seat belt buckle switch connector with a DMM from CKT 238 (BLK/WHT) cavity A to ground.

Is there continuity?

--

Go to Step 9

Go to Step 10

9

Repair the open in CKT 238 (BLK/WHT) between the seat belt buckle switch and the convenience center.

Is the repair complete?

--

Go to Audible Warnings System Check

--

10

Backprobe the seat belt buckle switch connector with a DMM from CKT 1350 (BLK) cavity B to ground.

Is there continuity?

--

Go to Step 11

Go to Step 12

11

Replace the seat belt buckle switch. Refer to Front Seat Belt Buckle Replacement in Restraints.

Is the repair complete?

--

Go to Audible Warnings System Check

--

12

Repair the open in CKT 1350 (BLK) between the seat belt buckle switch and ground G400.

Is the repair complete?

--

Go to Audible Warnings System Check

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