Step
| Action
| Value(s)
| Yes
| No
|
DEFINITION: The following conditions exist:
| • | The interior courtesy lamps stay ON with all of the doors
closed. |
| • | The instrument panel (I/P) dimmer switch is OFF. |
| • | The interior lamps override switch is on (the interior courtesy lights
are enabled). |
| • | None of the interior lighting modes are activated. |
| • | The inadvertent load (battery rundown) protection does not turn OFF the
interior courtesy lights after 10 minutes. |
|
1
| Did you perform the Lighting System Diagnostic System Check?
| --
| Go to
Step 2
| Go to
Diagnostic System Check - Lighting Systems
|
2
|
- Disconnect the body control module (BCM) connector C1.
- Use a DMM in order to measure the voltage between the BCM harness connector C1
terminal E and ground.
Is the voltage within the specified range?
| Less than 2 V
| Go to
Step 3
| Go to
Step 5
|
3
|
- Turn OFF all of the roof rail reading lamps.
- Close the sunshade mirror covers.
- Use a DMM in order to measure the resistance between the BCM harness
connector C1 terminal F and ground.
Is the resistance within the specified range?
| Infinite
| Go to
Step 4
| Go to
Step 6
|
4
|
- Reconnect the BCM connector C1.
- Turn the ignition switch from LOCK to RUN, then back to LOCK.
- Turn the I/P dimmer switch to the DOME position for 10 minutes.
Did the interior courtesy lamps turn OFF after 10 minutes?
| --
| Go to
Step 8
| Go to
Step 7
|
5
| Repair a short to voltage in CKT 328 or CKT 1393, as needed.
Did you complete the repair?
| --
| Go to
Step 8
| --
|
6
| Repair a short to ground in CKT 690.
Did you complete the repair?
| --
| Go to
Step 8
| --
|
7
| Replace the BCM. Refer to
Body Control Module Replacement
in Body Control Systems.
Did you complete the repair?
| --
| Go to
Step 8
| --
|
8
| Operate the system in order to verify the repair.
Did you correct the condition?
| --
| System OK
| Go to
Step 2
|
