Courtesy or Dome Lamps Always On Except Luxury
Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
DEFINITION: Use this diagnostic in order to diagnose the Dome and/or Courtesy Lamps Always On with all vehicle doors closed and the dome lamp switch in the OFF position. On vehicles equipped with remote keyless entry or an interior lamp control module will cause the interior lamps to remain in the ON position after the door is opened for approximately 40 seconds or until an ignition ON cycle has occurred. | ||||
1 | Did you perform the Interior Lamps System Check? | -- | Go to Step 2 | |
2 |
Do the courtesy and/or dome lamps turn OFF? | -- | Go to Step 3 | Go to Step 7 |
3 |
Is there continuity? | -- | Go to Step 5 | Go to Step 6 |
4 | Is the vehicle a suburban/utility with cargo doors? | -- | Go to Step 12 | Go to Step 5 |
5 |
Is the repair complete? | -- | -- | |
6 | Replace the headlamp and the panel dimmer switches. Is the repair complete? | -- | -- | |
7 | Disconnect the interior lamp control module or the keyless entry module. Do the courtesy and/or dome lamps turn OFF? | -- | Go to Step 8 | Go to Step 11 |
8 | Connect a J 39200 , set on Ohms, between CKT 157 (GRY) at cavity B of the interior lamp control or cavity K of the keyless entry module and ground. Is there continuity? | -- | Go to Step 9 | Go to Step 10 |
9 | Repair the short to ground in CKT 157 (GRY) between the headlamp and the panel dimmer switch and wither the interior lamp control module or the keyless entry module. Is the repair complete? | -- | -- | |
10 | Replace the interior lamp control module or the keyless entry module. Is the repair complete? | -- | -- | |
11 | Repair the short to ground in CKT 156 (WHT) between the headlamp and the panel dimmer switch and the dome and/or courtesy lamps, the interior lamp control module or the keyless entry module. Is the repair complete? | -- | -- | |
12 | With a J 39200 still connected at the headlamp and the panel dimmer switch cavity L and ground, disconnect the door lock control module. Is there still continuity? | -- | Go to Step 5 | Go to Step 13 |
13 | Connect a J 39200 , set on Ohms, between the door lock control module connector cavity F and ground. Is there continuity? | -- | Go to Step 14 | Go to Step 15 |
14 |
Is the repair complete? | -- | -- | |
15 | Replace the door lock control module. Is the repair complete? | -- | -- | |
Courtesy or Dome Lamps Always On Luxury
Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 |
Is there continuity? | -- | Go to Step 2 | Go to Step 3 |
2 | Check for a short to ground in CKT 328 (PPL) (passengers door) or CKT (TAN) (drivers door). If no short was found, replace door jamb switch(s) as necessary. Is the repair complete? | -- | System OK | -- |
3 |
Is there continuity? | -- | Go to Step 4 | Go to Step 5 |
4 | Check for a short to ground in CKT 157 (GRY) between C304 and the body control module. If no short was found, replace body control module. Is the repair complete? | -- | System OK | -- |
5 |
Is there continuity? | -- | Go to Step 6 | Go to Step 7 |
6 | Repair short to ground in CKT 157 (GRY) between connector C304 cavity E7 and headlamp and panel dimmer switch. Is the repair complete? | -- | System OK | -- |
7 | Repair short to ground. Is repair complete? | -- | System OK | -- |
