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 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
|
