Step
| Action
| Value(s)
| Yes
| No
|
1
| Was the entire Headlight Door System Check performed?
| --
|
Go to Step 2
| Go to
Headlight Doors System Check
|
2
|
- Disconnect the headlamp opening door actuator control module connector
C1.
- Connect a test light between the headlamp connector terminal E
or B and ground.
- Turn the headlamp switch to the HEAD position.
Does the test light illuminate?
| 9 - 14 V
|
Go to Step
3
|
Go to Step 4
|
3
|
- Disconnect the headlamp opening door actuator control module connector
C2.
- Disconnect C160 (LH) or C165 (RH).
- Check for a short to B+ in circuits 576 and 577 (LH) or 578 and
579 (RH).
Is a short to B+ present?
| --
|
Go to Step
5
|
Go to Step 6
|
4
| Check for a short to ground in circuits 576 and 577 (LH) or 578 and
579 (RH).
Is a short to ground present?
| --
|
Go to Step
7
|
Go to Step 8
|
5
| Repair a short to B+.
Is the repair complete?
| --
|
Go to Step
13
| --
|
6
| Check for continuity in circuits 576 and 577 (LH) or 578 and 579 (RH).
Is there continuity?
| --
|
Go to Step
9
|
Go to Step 10
|
7
| Repair the short to ground.
Is the repair complete?
| --
|
Go to Step
13
| --
|
8
| Repair the open in circuit 840 or 740.
Is the repair complete?
| --
|
Go to Step
13
| --
|
9
|
- Reconnect the headlamp door actuator control module connectors
C1 and C2.
- Place the headlamp switch in the HEAD position.
- Using a test light probe between the inoperative motor connector
terminals A and B.
Does the test light illuminate?
| --
|
Go to Step
11
|
Go to Step 12
|
10
| Repair the poor conection or open.
Is the repair complete?
| --
|
Go to Step 13
| --
|
11
| Replace the inoperative headlamp door motor.
Is the repair complete?
| --
|
Go to Step
13
| --
|
12
| Replace the headlamp opening door actuator control module. Refer to
Headlamp Door Module Replacement
Is the repair complete?
| --
|
Go to Step
13
| --
|
13
|
- Turn the ignition switch to the OFF position.
- Reconnect all connectors/components removed.
Have all the repairs been made?
| --
| Go to
Headlight Doors System Check
| --
|