1. Remove the key from the ignition.
2. Ensure the headlamp switch is in the OFF position.
3. Disconnect the multifunction alarm module. Refer to Audible Warnings Components .
4. Connect a test light from cavity J 1 of the multifunction alarm module connector to ground.

Does the test light illuminate?

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Go to Step 2

Go to Step 3

Repair the short to B + in CKT 8 (GRY).

Is the repair complete?

--

System OK

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1. Connect the multifunction alarm module.
2. Disconnect the key-in warning switch connector. Refer to Ignition and Key Alarm Switch Assembly - Disassemble - Off Vehicle in Steering Wheel and Column-Tilt.
3. Connect a test light from cavity B 3 of the key-in warning switch connector to ground.

Does the test light illuminate?

--

Go to Step 7

Go to Step 4

1. Disconnect the multifunction alarm module.
2. Measure the resistance in CKT 80 (LT GRN) with a J 39200 from the multifunction alarm module connector to the key-in warning switch connector.

Is the resistance greater than the specified value?

1 ohms

Go to Step 5

Go to Step 6

Repair the short to ground in CKT 80 (LT GRN) between the multifunction alarm module connector and the key-in warning switch.

Is the repair complete?

--

System OK

--

Replace the multifunction alarm module.

Refer to Multifunction Alarm Module Replacement .

Is the repair complete?

--

System OK

--

Measure the resistance of the key-in warning switch pigtail connector from cavity B 3 to cavity B 4 with a J 39200.

Is the resistance greater than the specified value?

3 ohms

Go to Step 8

Go to Step 9

Repair the short to ground between the key-in warning switch and the instrument panel (IP) wiring harness junction block.

Is the repair complete?

--

System OK

--

Replace the key-in warning switch.

Refer to Ignition and Key Alarm Switch Assembly - Disassemble - Off Vehicle in Steering Wheel and Column-Tilt.

Is the repair complete?

--

System OK

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