Definition: The BCM does not sound the key-in-ignition reminder when the following conditions exist:

Was the Body Control Module (BCM) System Check performed?

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Go to Step 2

Go to Diagnostic System Check - Body Control System

1. Verify that the headlamp and IP dimmer switch is turned to the OFF position.
2. Turn the interior lamps override switch to the ON position. This enables the interior courtesy lamps.
3. Turn the ignition switch to the RUN position.
4. Lower the driver window in order to prevent lockout.
5. Close all of the vehicle doors.
6. While observing the courtesy lamps, open and close the driver's door.

Did the courtesy lamps turn on when the driver's door was opened?

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Go to Step 3

Go to Step 7

1. Verify that all of the vehicle doors are closed.
2. Turn the ignition switch from the RUN position to the LOCK position.
3. While observing the courtesy lamps, remove the key from the ignition key cylinder.

Did the courtesy lamps turn on when the key was removed from the ignition key cylinder?

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Go to Step 8

Go to Step 4

1. Insert the key fully in the ignition switch.
2. Using a test lamp, backprobe between B+ and the BCM connector C2 terminal D2.

Is the test lamp on?

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Go to Step 8

Go to Step 5

1. Disconnect C201.
2. Using a test lamp, connect between B+ and C201 terminal B4 (the male side of C201).

Is the test lamp on?

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Go to Step 6

Go to Step 9

1. Disconnect the BCM connector C2.
2. Using a J 39200 digital multimeter (DMM), measure the resistance between the BCM harness connector C2 terminal D2, and C201 terminal B3 (the male side of C201).

Is the resistance less than the specified value?

2ohms

Go to Step 10

Go to Step 11

The key-in-ignition reminder is inoperative because of a malfunction between the BCM and the driver door lock ajar switch. Refer to Interior Lamps System Check in Lighting Systems.

Is the action complete?

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Go to Step 12

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Replace the BCM. Refer to Body Control Module Replacement in Body Control Systems?

Is the repair complete?

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Go to Step 12

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Repair the poor connection or open in CKT 1550.

Is the repair complete?

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Go to Step 12

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Replace the ignition key alarm switch. Refer to Ignition Switch Replacement - On Vehicle in Steering Wheel and Column - Tilt.

Is the repair complete?

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Go to Step 12

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Repair the poor connection or open in CKT 80.

Is the repair complete?

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Go to Step 12

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1. Turn the ignition switch to the LOCK position.
2. Reinstall the connectors and the components that you removed.
3. Turn the ignition switch to the RUN position for 6 seconds.
4. Remove the BCM PRGRM fuse.
5. Turn the ignition switch to the ACC position. The BCM sounds the chime several times equivalent to the BCM type which is installed on the vehicle.
6. Within 1 second, turn the ignition switch from the ACC position to the LOCK position, then back to the ACC position. The BCM sounds any DTCs stored.

Are any BCM DTCs present?

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Go to Diagnostic System Check - Body Control System

System OK