GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

Schematic Reference: Seat Belt Schematics

1

Did you review Seat Belt System Description and Operation and perform the necessary inspections?

Go to Step 2

Go to Symptoms - Seat Belts

2

  1. Turn OFF the ignition.
  2. Note the SEAT BELT indicator while turning ON the ignition.

Does the SEAT BELT indicator remain OFF at all times?

Go to Step 3

Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

3

  1. Turn OFF the ignition.
  2. Disconnect the seat belt switch connector.
  3. Test the seat belt switch signal circuit for an open or a high resistance.

Did you find and correct the condition?

Go to Step 7

Go to Step 4

4

Test the seat belt switch for an open or a high resistance.

Did you find and correct the condition?

Go to Step 7

Go to Step 5

5

Test the seat belt switch ground circuit for an open or a high resistance.

Did you find and correct the condition?

Go to Step 7

Go to Step 6

6

Replace the gauge cluster. Refer to Instrument Cluster Replacement in Instrument Panel, Gauges and Console.

Did you complete the replacement?

Go to Step 7

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7

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3