GM Service Manual Online
For 1990-2009 cars only

Fasten Safety Belt Chime Inoperative Base

Step

Action

Value(s)

Yes

No

1

Was the Audible Warnings Diagnostic System Check performed?

--

Go to Step 2

Go to Diagnostic System Check - Audible Warnings

2

  1. Turn the ignition switch to the RUN position.
  2. Remove the audio alarm module.
  3. Connect a test lamp from cavity K4 of the convenience center to ground.

Did the test lamp light?

--

Go to Step 3

Go to Step 4

3

  1. Unfasten the left front seat belt.
  2. Connect a test lamp from cavity K1 of the convenience center to B+.

Did the test lamp light?

--

Go to Step 5

Go to Step 6

4

Locate and repair the open in CKT 39 (PNK) between the convenience center and the IP fuse block. Refer to Wiring Repairs in wiring.

Is the repair complete?

--

Go to Diagnostic System Check - Audible Warnings

--

5

Replace the audio alarm module.

Is the repair complete?

--

Go to Diagnostic System Check - Audible Warnings

--

6

  1. Disconnect connector C211 of the seat belt switch.
  2. Connect a test lamp between cavity A of the seat belt switch connector C211 and B+.

Did the test lamp light?

--

Go to Step 7

Go to Step 8

7

  1. Connect a jumper wire between cavity A and cavity B of seat belt switch connector C211, harness side.
  2. Connect a test lamp between cavity K1 of the audio alarm module cavity to B+.

Did the test lamp light?

--

Go to Step 9

Go to Step 10

8

Locate and repair the open in CKT 150 (BLK) between the seat belt switch connector and ground. Refer to Wiring Repairs in wiring.

Is the repair complete?

--

Go to Diagnostic System Check - Audible Warnings

--

9

Replace the left front seat belt switch. Refer to the appropriate procedure in Seat Belt:

Is the repair complete?

--

Go to Diagnostic System Check - Audible Warnings

--

10

Locate and repair the open in CKT 238 (BLK/WHT) between the seat belt switch and the audio alarm module. Refer to Wiring Repairs in wiring.

Is the repair complete?

--

Go to Diagnostic System Check - Audible Warnings

--

Fasten Safety Belt Chime Inoperative Luxury

Step

Action

Value(s)

Yes

No

1

Was the Audible Warnings Diagnostic System Check performed?

--

Go to Step 2

Go to Diagnostic System Check - Audible Warnings

2

  1. Disconnect C304 and C305.
  2. Unbuckle the LF seat belt.
  3. Connect a J 39200 DMM between cavity D1 of C305 and ground.

Is there continuity?

Go to Step 3

Go to Step 6

3

  1. Disconnect the body control module (BCM) connector C1.
  2. Connect a J 39200 DMM between cavity D15 of BCM C1 and cavity D1 of C305.

Is there continuity?

--

Go to Step 5

Go to Step 4

4

Locate and repair open in CKT 238 (BLK/WHT) between the BCM C1 and C305. Refer to Wiring Repairs in wiring.

Is the repair complete?

--

Go to Diagnostic System Check - Audible Warnings

--

5

Replace the body control module (BCM). Refer to Body Control Module Replacement in body control systems.

Is the repair complete?

--

Go to Diagnostic System Check - Audible Warnings

--

6

  1. Disconnect the left front seat belt switch connector.
  2. Connect a J 39200 DMM between cavity A of the left front seat belt connector and ground.

Is there continuity?

--

Go to Step 8

Go to Step 7

7

Locate and repair open in CKT 150 (BLK) between the left front seat belt switch connector and ground. Refer to Wiring Repairs in wiring.

Is the repair complete?

--

Go to Diagnostic System Check - Audible Warnings

--

8

Connect a J 39200 DMM between cavity B of the left front seat belt switch and cavity D1 of C305.

Is there continuity?

--

Go to Step 10

Go to Step 9

9

Locate and repair open in CKT 238 (BLK/WHT) between C305 and the left front seat belt switch. Refer to Wiring Repairs in wiring.

Is the repair complete?

--

Go to Diagnostic System Check - Audible Warnings

--

10

Replace the left front seat belt switch. Refer to the appropriate procedure in Seat Belt:

Is the repair complete?

--

Go to Diagnostic System Check - Audible Warnings

--