GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

  1. Turn the ignition switch to the RUN position.
  2. Disconnect the seat belt switch connector.

Does the fasten belts chime stop?

--

Go to Step 2

Go to Step 3

2

Replace the seat belt switch. Refer to Seat Belt Side Buckle Replacement - Driver in Seat Belts.

Did you complete the repair?

--

Go to Diagnostic System Check - Audible Warnings

--

3

  1. Remove CKT 238 terminal B12 of the right IP wiring harness junction block connector C3. Refer to Relay/Fuse Center Replacement in Wiring Systems.
  2. Turn the ignition switch to the RUN position.

Does the fasten belts chime stop?

--

Go to Step 4

Go to Step 5

4

Repair the short to ground in CKT 238 between terminal A of the seat belt switch connector and terminal B12 of the right IP wiring harness junction block connector C3.

Did you complete the repair?

--

Go to Diagnostic System Check - Audible Warnings

--

5

  1. Remove CKT 238 terminal B1 of the right IP wiring harness junction block connector C2. Refer to Relay/Fuse Center Replacement in Wiring Systems.
  2. Turn the ignition switch to the RUN position.

Does the fasten belts chime stop?

--

Go to Step 6

Go to Step 7

6

Replace the right IP wiring harness junction block. Refer to Relay/Fuse Center Replacement in Wiring Systems.

Did you complete the repair?

--

Go to Diagnostic System Check - Audible Warnings

--

7

  1. Disconnect the sensing diagnostic module (SDM) connector.
  2. Turn the ignition switch to the RUN position.

Does the fasten belts chime stop?

--

Go to Step 8

Go to Step 9

8

Replace the SDM. Refer to Inflatable Restraint Sensing and Diagnostic Module Replacement in SIR.

Did you complete the repair?

--

Go to Diagnostic System Check - Audible Warnings

--

9

  1. Remove terminal B11 of BCM connector C2. Refer to the following procedures:
  2. • Body Control Module Replacement in Body Control System
  3. Use the J 39200 in order to measure the resistance in CKT 238 between BCM connector C2 and ground.

Does the resistance measure within the specified range?

0-2 ohms

Go to Step 10

Go to Step 11

10

Replace the BCM.

Refer to the following procedures:

    • Body Control Module Replacement in Body Control System
    •  Body Control Module (BCM) Programming/RPO Configuration in Body Control System.

Did you complete the repair?

--

Go to Diagnostic System Check - Audible Warnings

--

11

Repair the short to ground in CKT 238 between terminal B11 of BCM connector C2 and terminal 8 of the SDM connector. Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

--

Go to Diagnostic System Check - Audible Warnings

--