Step
| Action
| Value(s)
| Yes
| No
|
1
| Was the Interior Lights Dimming
System Check performed?
| --
| Go to
Step 2
| Go to
Interior Lights Dimming System Check
|
2
|
- Adjust the instrument panel (IP) dimmer switch thumbwheel to the
mid-range position.
- Place the headlamp switch in the park lamps position.
- Observe that the parking lamps operate.
- Disconnect connector C1 at the heater and air conditioning
(A/C) controller.
- Connect a J 39200
DMM between heater and A/C controller connector C1, cavity C
for CKT 8 (GRY), and ground.
Is voltage present?
| --
| Go to
Step 3
| Go to
Step 4
|
3
| Repair the open in CKT 150 (BLK) between splice S201 and
ground G201.
Are all of the IP lamps operative?
| --
| Go to
Interior Lights Dimming System Check
| Go to
Step 4
|
4
|
- Remove ILLUM fuse 14 at the IP fuse block.
- Connect a J 39200
DMM between the IP fuse block, ILLUM fuse 14 cavity E3,
and ground.
Is voltage present?
| --
| Go to
Step 5
| Go to
Step 6
|
5
| Repair the open in CKT 8 (GRY) between the IP fuse block and
splice S223.
Are all of the IP lamps operative?
| --
| Go to
Interior Lights Dimming System Check
| Go to
Step 6
|
6
|
- Disconnect the connector at the headlamp switch.
- Connect a J 39200
DMM between the headlamp switch connector, cavity E for CKT 44
(DK GRN), and the IP fuse block, ILLUM fuse 14, cavity E3.
Is continuity present?
| --
| Go to
Step 7
| Go to
Step 8
|
7
| Replace the headlamp switch.
Are all of the IP lamps operative?
| --
| Go to
Interior Lights Dimming System Check
| Go to
Step 8
|
8
| Repair the open in CKT 44 (DK GRN) between the headlamp switch
and the IP fuse block.
Are all of the IP lamps operative?
| --
| Go to
Interior Lights Dimming System Check
| --
|
