Diagnostic Test

1) SEAT BELT INDICATOR SWITCH

Fig 1: Checking Switch
Courtesy of DAIMLERCHRYSLER CORP.

Turn the ignition off.

Disconnect the Seat Belt Indicator Switch harness connector.

NOTE: Check connectors - Clean/repair as necessary.

Connect a jumper wire between cavity 1 and cavity 2 of the Driver Seat Belt Switch harness connector.

Turn the ignition on.

Is the Seat Belt Indicator Lamp on?

Yes
1. Replace the Seat Belt Indicator Switch. (Refer to ELECTRICAL/RESTRAINTS/SEAT BELT BUCKLE - REMOVAL)
2. Perform BODY VERIFICATION TEST .
No
1. Go to step 2).
2) SEAT BELT INDICATOR CIRCUIT

Fig 2: Checking Indicator Circuit
Courtesy of DAIMLERCHRYSLER CORP.

Turn the ignition off.

Disconnect the Instrument Cluster C2 harness connector.

NOTE: Check connectors - Clean/repair as necessary.

Measure the resistance between ground and the Seat Belt Indicator circuit.

Is the resistance below 5.0 ohms?

Yes
1. Check the Seat Belt Indicator lamp. If the lamp is OK, replace the Instrument Cluster. (Refer to ELECTRICAL/INSTRUMENT CLUSTER - REMOVAL) .
2. Perform BODY VERIFICATION TEST .
No
1. Repair the Seat Belt Indicator circuit for an open.
2. Perform BODY VERIFICATION TEST .