Seat Belt Warning Indicator Always on

SEAT BELT WARNING INDICATOR ALWAYS ON

Seat Belt Warning Indicator Always On:

POSSIBLE CAUSES
- (Z951) Seat belt switch ground circuit for an open
- (G10) Seat belt switch sense circuit open
- Seat belt switch
- Instrument cluster

DIAGNOSTIC TEST

1. CHECK THE OPERATION OF THE SEAT BELT SWITCH




Turn the ignition off.
Disconnect the Seat Belt Switch harness connector.
Connect a jumper wire between cavity 1 and cavity 2.
Turn the ignition on.
Observe the Seat Belt Warning Indicator.

Q: Did the Seat Belt Warning Indicator illuminate for approximately 4 seconds and then turn off?

YES: Replace the Seat Belt Switch. Perform BODY VERIFICATION TEST - VER 1. Body Verification Test
NO: Go To 2

2. CHECK THE (Z951) SEAT BELT SWITCH GROUND CIRCUIT FOR AN OPEN




Turn the ignition off.
Disconnect the Seat Belt Switch harness connector.
Measure the resistance between ground and the (Z951) Seat Belt Switch Ground circuit.

Q: Is the resistance above 5.0 ohms?

YES: Repair the (Z951) Seat Belt Switch Ground circuit for an open. Perform BODY VERIFICATION TEST - VER 1. Body Verification Test
NO: Go To 3

3. CHECK THE (G10) SEAT BELT SWITCH SENSE CIRCUIT FOR AN OPEN




Measure the resistance of the (G10) Seat Belt Switch Sense circuit between the Seat Belt Switch connector and the Instrument Cluster C3 connector.

Q: Is the resistance above 5.0 ohms?

YES: Repair the (G10) Seat Belt Switch Sense circuit for an open. Perform BODY VERIFICATION TEST - VER 1. Body Verification Test
NO: Replace and configure the Instrument Cluster. Perform BODY VERIFICATION TEST - VER 1. Body Verification Test