Schematic Reference: Seat Belt Schematics

Did you perform the A Diagnostic System Check - Seat Belts?

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Go to Step 2

Go to Diagnostic System Check - Seat Belts

1. Turn ON the ignition, with the engine OFF.
2. Monitor the fasten safety belt indicator while buckling and unbuckling the driver seat belt. The fasten safty belt indicator should turn OFF when buckle and turn ON when unbuckle.

Does the system operate properly?

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

Go to Step 3

1. Buckle the driver's seat belt.
2. With a scan tool, observe the Driver Side Belt Status parameter in the SIR scan tool data list.

Does the scan tool indicate that the Driver Side Belt Status parameter displays Buckled?

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Go to Step 4

Go to Step 5

Replace the IPC. Refer to Instrument Cluster Replacement in Instrument Panel, Gages, and Console.

Did you complete the replacement?

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Go to Step 8

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1. Turn OFF the ignition.
2. Disconnect the inflatable restraint sensing and diagnostic module (SDM) connector. Refer to Inflatable Restraint Sensing and Diagnostic Module Replacement in SIR.
3. Disconnect the seat belt switch-LF connector.
4. Test the seat belt switch-LFsignal circuit for an open or high resistance.

Did you find and correct the condition?

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Go to Step 8

Go to Step 6

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

Did you find and correct the condition?

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Go to Step 8

Go to Step 7

Important: The seat belt switch is part of the seat belt pretensioner and cannot be serviced separately.

Replace the seat belt switch-LF. Refer to Seat Belt Buckle Pretensioner Replacement - Left Side .

Did you complete the replacement?

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Go to Step 8

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1. Reconnect all seat belt components.
2. Monitor the fasten safety belt indicator while buckling and unbuckling the driver seat belt. The fasten safty belt indicator should turn OFF when buckle and turn ON when unbuckle.

Does the system operate properly?

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System OK

Go to Step 3