Step
| Action
| Value(s)
| Yes
| No
|
DEFINITION:
The BCM does not sound the key in ignition reminder when the driver's door
is open, the key is fully inserted in the ignition switch cylinder, and
the ignition switch is in the off or accessory position.
|
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 vehicle doors.
- While observing the courtesy lamps, open then close the driver's
door.
Did the courtesy lamps turn on with the driver's door open?
| --
|
Go to Step 3
|
Go to Step 9
|
3
|
- Make sure the I/P dimmer switch is off, and all the vehicle doors
closed.
- Turn the ignition switch off.
- While observing the courtesy lamps, remove the key from the ignition
switch.
Did the courtesy lamps turn on upon removing the key from the ignition
switch?
| --
|
Go to Step 4
|
Go to Step 6
|
4
|
- Connect a scan tool to the Data Link Connector (DLC).
- Turn the ignition switch on.
- Using scan tool, monitor the key in switch input.
Does the scan tool indicate the key in input active with the key in
the ignition switch?
| --
|
Go to Step 5
|
Go to Step 10
|
5
|
- Place the key in the ignition cylinder.
- Make sure the ignition switch is off.
- Open, then close the driver's door.
Does the BCM sound the key in the ignition reminder?
| --
|
Go to Step 14
|
Go to Step 10
|
6
|
- Insert the key fully in the ignition switch.
- Disconnect BCM connector C1.
- Using a test lamp, connect between B+ and the BCM connector C1
terminal D1.
Is the test lamp on?
| --
|
Go to Step
4
|
Go to Step 7
|
7
|
- Disconnect the ignition switch harness connector C2.
- Using a test lamp, connect between B+ and the ignition switch
harness connector C2 terminal E.
Is the test lamp on?
| --
|
Go to Step
8
|
Go to Step 11
|
8
|
- Disconnect the BCM connector C1.
- Using a DMM, measure the resistance between the ignition switch
harness connector C1 terminal D1 and the ignition switch harness connector
C2 terminal E.
Is the resistance within the specified range?
| Less than 2ohms
|
Go to Step 12
|
Go to Step
13
|
9
| The key in ignition reminder is inoperative 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
diagnosis and repair of the interior lights door lock ajar input.
Is the action complete?
| --
|
Go to Step
15
|
--
|
10
|
- Check the BCM connector C1 for poor terminal contact. If connector
is OK, then 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
15
| --
|
11
| Repair poor connection or open in circuit 80 or 1550.
Is the repair complete?
| --
|
Go to Step
15
| --
|
12
|
- Replace the ignition switch. Refer to
Ignition and Start Switch Replacement
for service procedure.
- After ignition switch replacement, perform the theft deterrent
relearn procedure. Refer to
Body Control Module (BCM) Programming/RPO Configuration
in Body Control System.
Is the repair complete?
| --
|
Go to Step
15
| --
|
13
| Repair poor connection or open in circuit 80.
Is the repair complete?
| --
|
Go to Step
15
| --
|
14
| The malfunction is not present at this time. Refer to
Audible Warnings Circuit Description
for additional
information regarding the operation of the key in the ignition reminder.
Is the action complete?
| --
|
Go to Step
15
| --
|
15
|
- 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 DTC present?
| --
| Go to
Diagnostic System Check - Body Control System
in Body Control System
| System OK
|
