Schematic Reference: Seat Belt Schematics

Connector End View Reference: Seat Belt Connector End Views

1

Did you review the Diagnostic Starting Point - Seat Belts?

Go to Step 2

Go to Diagnostic Starting Point - Seat Belts

Did you perform the Diagnostic System Check - Vehicle?

Go to Step 3

Go to Diagnostic System Check - Vehicle in Vehicle DTC Information

1. Install a scan tool.
2. Turn ON the ignition, with the engine OFF.
3. Fasten the LF seat belt.
4. With a scan tool, observe the seat belt buckled parameter in the instrument panel cluster (IPC) data list.

Does the scan tool indicate that the seat belt is buckled?

Go to Step 8

Go to Step 4

1. Disconnect the LF seat belt switch connector.
2. With a scan tool, observe the seat belt buckled parameter in the instrument panel cluster (IPC) data list.

Does the seat belt parameter change state?

Go to Step 5

Go to Step 6

Replace the LF seat belt switch. Refer to Front Seat Belt Buckle Replacement .

Did you complete the replacement?

Go to Step 9

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Test the signal circuit of the seat belt switch for a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 9

Go to Step 7

Replace the inflatable restraint sensing and diagnostic module (SDM). Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming.

Did you complete the replacement?

Go to Step 9

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Replace the IPC. Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming.

Did you complete the replacement?

Go to Step 9

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Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2