Step
| Action
| Value(s)
| Yes
| No
|
The BCM sounds the headlamps ON reminder when one or more of the following
conditions are present:
| • | The driver's door is closed |
| • | The headlamp switch is in the OFF position |
| • | The key is removed from the ignition switch |
|
1
| Was the Audible Warning System Check performed?
| --
| Go to
Step 2
| Go to
Audible Warnings System Check
|
2
| Has the BCM Diagnostic System Check
performed?
| --
| Go to
Step 3
| Go to
Diagnostic System Check - Body Control System
in Body Control System
|
3
|
- Ensure that the IP dimmer switch is in the OFF position.
- Turn the ignition switch to the RUN position.
- Lower the driver's window in order to prevent a lockout.
- Close all of the vehicle doors.
Are all of the courtesy lights OFF?
| --
| Go to
Step 4
| Go to
Step 7
|
4
|
- Turn the headlamp switch to the OFF position.
- Use a test light in order to probe between the BCM connector C2
terminal D5 and ground.
Does the test light illuminate?
| --
| Go to
Step 8
| Go to
Step 5
|
5
|
- Disconnect the headlamp switch electrical connector.
- Use a test light in order to probe between the headlamp switch
harness connector terminal 0 and ground.
Does the test light illuminate?
| --
| Go to
Step 6
| Go to
Step 9
|
6
|
- Disconnect the BCM connector C2.
- Use a J 39200
digital multimeter (DMM) in order to measure the resistance between the BCM
harness connector C2 terminal D5 and the headlamp switch harness connector
terminal P.
Is the resistance within the specified range?
| Less than 2 ohms
| Go to
Step 10
| Go to
Step 11
|
7
| The headlamps ON reminder
is ON with the driver's door closed due to a malfunction between the BCM
and the driver's door lock ajar switch. Refer to
Interior Lamps System Check
in Lighting Systems.
Is the repair complete?
| --
| Go to
Step 12
| --
|
8
|
- Inspect the BCM connector C2 terminal D5 for a poor
connection.
- Replace the BCM if the connection is OK. Refer to
Body Control Module Replacement
in Body Control
System.
Is the repair complete?
| --
| Go to
Step 12
| --
|
9
| Repair the poor connection or the open in circuit 1340.
Is the repair complete?
| --
| Go to
Step 12
| --
|
10
|
- Inspect the headlamp switch connector terminal P for a poor connection.
- Replace the headlamp switch if the connection is OK. Refer to
Headlamp Switch Replacement
in Lighting
Systems.
Is the repair complete?
| --
| Go to
Step 12
| --
|
11
| Repair the poor connection or the open in circuit 1872.
Is the repair complete?
| --
| Go to
Step 12
| --
|
12
|
- Turn the ignition switch to the OFF position.
- Install any connectors or components that were removed.
- Turn the ignition switch to the RUN position for 6 seconds.
- Turn the ignition switch to the OFF position.
- Remove the MALL PGM fuse.
- Turn the ignition switch to the ACC position.
The BCM sounds the chime a number of times equivalent to the BCM type
that is installed on the vehicle.
- Within 1 second, turn the ignition switch from the ACC
position to the OFF position, then back to the ACC position. The BCM sounds
any stored DTC's.
Are any BCM DTC's present?
| --
| Go to
Diagnostic System Check - Body Control System
in
Body Control System
| Go to
Audible Warnings System Check
|
