For 1990-2009 cars

Step | Action | Value(s) | Yes | No
--- | --- | --- | --- | ---
Definition: The BCM sounds the key-in-ignition reminder when one or more of the following conditions are present:

• | The key is not inserted in the ignition key cylinder

• | The driver's door is closed

• | The ignition switch is in the RUN position

1 | Was the Body Control Module (BCM) System Check performed? | -- | Go to Step 2 | Go to Diagnostic System Check - Body Control System
2 |

1. Verify that the instrument panel dimmer switch is turned to the OFF position.
2. Turn on the override switch to the interior lamps. This enables the interior courtesy lamps.
3. Turn the ignition switch to the RUN position.
4. Lower the driver's window in order to prevent lockout.
5. Close all vehicle doors.

Are the courtesy lamps off?

--

Go to Step 3

Go to Step 5

3 |

1. Remove the key from the ignition key cylinder.
2. Using a J 39200 digital multimeter (DMM), measure the resistance between the BCM connector C2 terminal D2 and ground.

Is the resistance equal to the specified value?

Infinite

Go to Step 6

Go to Step 4

4 |

1. Leave the J 39200 DMM connected from the previous step.
2. Disconnect C201.
3. Using a J 39200 DMM, measure the resistance again.

Is the resistance equal to the specified value?

Infinite

Go to Step 7

Go to Step 8

5 | The key in ignition reminder is always on due to a malfunction between the BCM and the lock ajar switch on the driver's door. Repair the lock ajar switch on the driver's door. Is the repair complete? | -- | Go to Step 9 | --
6 | Replace the BCM. Refer to Body Control Module Replacement in Body Control Systems. Is the repair complete? | -- | Go to Step 9 | --
7 | Replace the ignition key alarm switch. Refer to Ignition Switch Replacement - On Vehicle in Steering Wheel and Column - Tilt. Is the repair complete? | -- | Go to Step 9 | --
8 | Repair the short to ground in CKT 80. Is the repair complete? | -- | Go to Step 9 | --
9 |

1. Turn the ignition switch to the LOCK position.
2. Reinstall the connectors and the components which 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?

--

Go to Diagnostic System Check - Body Control System

System OK