Test Description
The number(s) below refer to the step number(s) on the diagnostic table.
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This step will test for an intermittent condition when testing if the sunroof will slide to the vent position (stopping, due to a soft stop). If the sunroof operates properly to the full vent position, then inspect the sunroof limit switch LS1 for a stuck switch causing an intermittent short to ground.
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Testing for a short to ground in the LS1 limit switch circuit or a stuck limit switch (closed).
Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
Schematic Reference: Sunroof Schematics DEFINITION: Sunroof will slide to vent position, but it will not stop at the soft stop (full vent) position. As the glass slides past the soft stop vent position the glass tends to shift out of alignment. | ||||
1 | Did you perform the A Diagnostic System Check - Power Sunroof? | -- | Go to Step 2 | |
Operate the power sunroof to the vent position. Does the system operate normally? | -- | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 | |
3 |
Does the voltage measure near the specified value? | 5V | Go to Step 5 | Go to Step 4 |
Test the limit switch LS1 circuit for a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 7 | Go to Step 6 | |
5 | Replace the PES module. Refer to Sunroof Position Encoding System Switch Replacement . Did you complete the replacement? | -- | Go to Step 7 | -- |
6 | Replace the sunroof module. Refer to Power Sunroof Express Module Replacement . Did you complete the replacement? | -- | Go to Step 7 | -- |
7 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK | Go to Step 3 |
