Step
| Action
| Value(s)
| Yes
| No
|
The dome
lamp and the roof rail courtesy/reading lamps stay on under the following
conditions:
| • | All of the doors are closed. |
| • | The instrument panel (IP) dimmer switch is off. |
| • | None of the interior lighting modes are activated. |
However, the inadvertent load (battery rundown) protection turns off
the courtesy lights after 20 minutes.
|
1
| Was the Interior
Lights System Check performed?
| --
| Go to
Step
2
| Refer to
Interior Lamps System Check
|
2
| Did you perform the Body Control Module (BCM) Diagnostic System Check?
| --
| Go to
Step 3
| Refer to
Diagnostic System Check - Body Control System
|
3
|
- Ensure that the IP dimmer switch is off.
- Close all of the vehicle doors.
- Turn the ignition switch to the LOCK position.
- Connect a Scan Tool
Tech 2 scan tool to the data link connector (DLC).
- Turn the ignition switch to the RUN position.
- Use the Scan Tool
Tech 2 scan tool in order to monitor the status of the THEATER DIM 2.
Does the Scan Tool
Tech 2 scan tool display that the status of the THEATER DIM 2
is off?
| --
| Go to
Step 4
| Go to
Step 5
|
4
|
- Turn the ignition switch to the LOCK position.
- Disconnect the BCM connector C2 and connector C3.
- Use a J 39200
digital multimeter (DMM) in order to measure the resistance between the BCM
harness connector C2 terminal A1 and ground.
Is the resistance within the specified range?
| ∞
| Go to
Step 6
| Go to
Step 7
|
5
|
- Replace the BCM. Refer to
Body Control Module Replacement
in Body Control System.
- After BCM replacement, refer to
Body Control Module (BCM) Programming/RPO Configuration
in Body Control System.
Has the repair been made?
| --
| Go to
Step
9
| --
|
6
|
- Reconnect the BCM connector C2 and connector C3.
- Turn the ignition switch to the RUN position.
- Ensure that the IP dimmer switch is off.
- Close all of the vehicle doors.
- Observe the IP courtesy lamps and the door courtesy lamps.
Are the IP courtesy lamps and the door courtesy lamps off?
| --
| Go to
Step 8
| Go to
Step
5
|
7
| Repair a short to ground in circuit 157.
Has the repair been made?
| --
| Go to
Step
9
| |
8
| The malfunction is not present at this time. Refer to
Interior Lights Circuit Description
for more information
regarding the operation of the courtesy lights.
Did you refer to the Circuit Description?
| --
| Go to
Step 9
| --
|
9
|
- Turn the ignition switch to the LOCK position.
- Reinstall the connectors and the components that you removed.
Have all the repairs been made?
| --
| Refer to
Interior Lamps System Check
| --
|
