1. Turn the ignition switch to the LOCK position.
2. Disconnect the seat belt/ ignition key/ lamps alarm connector.
3. Ensure the drivers seat belt buckle is unfastened (released).
4. Using a test lamp, probe between B+ and the seat belt/ ignition key/ lamps alarm harness connector terminal A2.

Does the test light illuminate?

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Go to Step 5

Go to Step 2

1. Disconnect the driver seat belt switch electrical connector.
2. Using a DMM, measure the resistance between the driver seat belt switch harness connector terminal A and the ground.

Is the resistance less than the specified value?

2 ohms

Go to Step 3

Go to Step 7

Using a DMM, measure the resistance between the seat belt/ ignition key/ lamps alarm harness connector terminal A2 and the driver seat belt switch harness connector terminal B.

Is the resistance less than the specified value?

2 ohms

Go to Step 4

Go to Step 8

Using a DMM, measure the resistance between the driver seat belt switch connector terminals A and B (switch side).

Is the resistance less than the specified value?

2 ohms

Go to Step 5

Go to Step 6

Replace the seat belt/ ignition key/ lamps alarm.

Refer to Multifunction Alarm Module Replacement

Is the repair complete?

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Go to Step 9

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Replace the driver seat belt switch.

Refer to Seat Belt Buckle Replacement - Left Front in Seat Belts.

Is the repair complete?

--

Go to Step 9

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Repair a poor connection or open in CKT 250.

Is the repair complete?

--

Go to Step 9

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Repair a poor connection or open in CKT 238.

Is the repair complete?

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Go to Step 9

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1. Ensure the ignition is in the LOCK position.
2. Reconnect the connectors and reinstall the components that were removed.

Is the repair complete?

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Go to Audible Warnings System Check

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