Step
| Action
| Value(s)
| Yes
| No
|
1
| Inspect Fuse 11.
Is the fuse open?
| --
| Go to
Step 16
| Go to
Step 2
|
2
|
- Turn the ignition switch to the OFF position.
- Check for mechanical binding by cranking the roof manually to
a middle position. Refer to
Power Sunroof Description
.
Does the sunroof move freely?
| --
| Go to
Step 3
| Go to
Step 11
|
3
|
- Disconnect the sunroof switch connector.
- Using a test light, backprobe between the sunroof switch harness
connector terminal G and B+.
Does the test light illuminate?
| --
| Go to
Step 4
| Go to
Step 12
|
4
| Using a test light, backprobe between the sunroof switch harness connector
terminal A and B+.
Does the test light illuminate?
| --
| Go to
Step 5
| Go to
Step 12
|
5
|
- Turn the ignition switch to the RUN position.
- Using a test light, backprobe between the sunroof switch connector
terminal F and ground.
Does the test light illuminate?
| --
| Go to
Step 6
| Go to
Step 17
|
6
|
- Turn the ignition switch to the OFF position.
- Reconnect the sunroof switch.
- Disconnect the sunroof actuator.
- Turn the ignition switch to the RUN position.
- Using a test light, backprobe between the sunroof actuator connector
circuit 129 (sunroof switch side) and ground.
Does the test light illuminate?
| --
| Go to
Step 13
| Go to
Step 7
|
7
|
- Using a test light, backprobe between the sunroof actuator connector
circuit 129 (sunroof switch side) and ground
- Momentaritly press the sunroof switch in the CLOSE position
Did the test light illuminate?
| --
| Go to
Step 8
| Go to
Step 14
|
8
| Using a test light, backprobe between the sunroof actuator connector
circuit 127 (sunroof switch side) and ground.
Does the test light illuminate?
| --
| Go to
Step 15
| Go to
Step 9
|
9
|
- Using a test light, backprobe between the sunroof actuator connector
circuit 127 (sunroof switch side) and ground.
- Momentarily press the sunroof switch in the OPEN position.
Did the test light illuminate?
| --
| Go to
Step 10
| Go to
Step 18
|
10
|
- Check for a poor connection at the sunroof actuator.
- If OK, replace the sunroof actuator. Refer to
Sunroof Actuator Replacement
.
Has the repair been made and the system rechecked?
| --
| System OK
| --
|
11
| Repair the source of binding.
Has the repair been made and the system rechecked?
| --
| System OK
| --
|
12
| Repair a poor connection or an
open in circuit 150 between sunroof switch harness connector and
splice S390.
Has the repair been made and the system rechecked?
| --
| System OK
| --
|
13
|
- Check for a short to B+ in circuit 129 between the sunroof
actuator connector and the sunroof switch connector terminal C.
- If OK, replace the sunroof switch. Refer to
Sunroof Switch Replacement
.
Has the repair been made and the system rechecked?
| --
| System OK
| --
|
14
|
- Check for a poor connection or an open in circuit 129 between
the sunroof actuator connector and the sunroof switch connector terminal C.
- If OK, replace the sunroof switch. Refer
Sunroof Switch Replacement
.
Has the repair been made and the system rechecked?
| --
| System OK
| --
|
15
|
- Check for a short to B+ in circuit 127 between the sunroof
actuator connector and the sunroof switch connector terminal B.
- If OK, replace the sunroof switch. Refer to
Sunroof Switch Replacement
.
Has the repair been made and the system rechecked?
| --
| System OK
| --
|
16
| Repair a short to ground in circuit 643.
Has the repair been made and the system rechecked?
| --
| System OK
| --
|
17
| Repai a poor connection or an open
in circuit 643
Has the repair and the system rechecked?
| --
| System OK
| --
|
18
|
- Check for a poor connection or an open in circuit 127 between
the sunroof actuator connector and the sunroof switch connector terminal B.
- If OK, replace the sunroof switch. Refer to
Sunroof Switch Replacement
.
Has the repair been made and the system rechecked?
| --
| System OK
| --
|
