Step
| Action
| Value(s)
| Yes
| No
|
DEFINITION:
The BCM sounds the key in the 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 on. |
|
1
| Was the BCM diagnostic system check performed?
| --
|
Go to Step 2
| Go to
Diagnostic System Check - Body Control System
in Body Control System
|
2
|
- Make sure the I/P dimmer switch is off.
- Turn the ignition switch on.
- Lower the driver's window (to prevent lockout).
- Close all the vehicle doors.
Are the courtesy lamps off?
| --
|
Go to Step
3
|
Go to Step 7
|
3
|
- Turn the ignition switch off.
- Connect a scan tool to the Data Link Connector (DLC).
- Turn the ignition switch on.
- Using the scan tool, monitor the key in the switch input.
- Turn the ignition switch off.
- While monitoring the scan tool, remove the key from the ignition
switch.
Does the scan tool indicate that the key in input is no with the key
removed from the ignition switch?
| --
|
Go to Step
4
|
Go to Step 5
|
4
|
- Make sure the key is removed from the ignition switch.
- Open, then close the driver's door.
Does the BCM sound the key in the ignition reminder?
| --
|
Go to Step 9
|
Go to Step 8
|
5
|
- Remove the key from the ignition key cylinder.
- Disconnect the BCM connector C1.
- Using a test light, connect between B+ and the BCM connector C1
terminal D1.
Is the test light off?
| --
|
Go to Step
4
|
Go to Step 6
|
6
|
- Leave the test light connected from the previous step.
- Disconnect the ignition switch harness connector C2.
- Observe the test light again.
Is the test light off?
| --
|
Go to Step
10
|
Go to Step 11
|
7
| The key in ignition reminder is always on due to a malfunction between
the BCM and the driver's door lock ajar switch. Refer to
Interior Lamps System Check
in Lighting Systems for
the diagnosis and repair of the interior lights door lock ajar input.
Is the action complete?
| --
|
Go to Step
12
| --
|
8
| The malfunction is not present at this time. Refer to
Audible Warnings Circuit Description
for additional
information regarding the operation of the fasten seat belt reminder, and
indicator lamp.
Is the action complete?
| --
|
Go to Step
12
| --
|
9
|
- Replace the BCM. Refer to
Body Control Module Replacement
in Body Control System for replacement
procedures.
- After BCM replacement, perform the Setup New BCM procedure. Refer
to
Body Control Module (BCM) Programming/RPO Configuration
in Body Control System.
Is the repair complete?
| --
|
Go to Step
12
| --
|
10
| Replace the ignition switch. Refer to
Ignition and Start Switch Replacement
in Instrument Panel, Gauges and Console for service
procedures.
Is the repair complete?
| --
|
Go to Step
12
| --
|
11
| Repair short to ground in circuit 80.
Is the repair complete?
| --
|
Go to Step
12
| --
|
12
|
- Turn the ignition switch off.
- Reinstall the connectors/components removed.
- Check for BCM current DTCs. Refer to
Diagnostic Trouble Code (DTC) Displaying
in Body Control System.
Are there any BCM current DTCs present?
| --
| Go to
Diagnostic System Check - Body Control System
in Body Control System
| System OK
|
