Test Description
The numbers below refer to the step numbers on the diagnostic table.
Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
Schematic Reference: Sunroof Schematics Connector End View Reference: Power Roof Systems Connector End Views DEFINITION: Express open feature is inoperative. | ||||
1 | Did you perform the Power Sunroof Diagnostic System Check? | -- | Go to Step 2 | |
Operate the power sunroof express open feature. Does the system operate normally? | -- | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 | |
3 |
Does the sunroof glass express open? | -- | Go to Step 7 | Go to Step 4 |
4 |
Does the voltage measure near the specified value? | B+ | Go to Step 9 | Go to Step 5 |
5 | Test the sunroof switch express signal circuit for an open or high resistance. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 10 | Go to Step 6 |
6 | Inspect the sunroof switch express signal circuit for a poor connection at the sunroof module. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 10 | Go to Step 9 |
7 | Inspect for a poor connection at the sunroof switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 10 | Go to Step 8 |
8 | Replace the sunroof switch. Refer to Sunroof Switch Replacement . Did you complete the replacement? | -- | Go to Step 10 | -- |
9 | Replace the sunroof module. Refer to Sunroof Control Module Replacement . Did you complete the replacement? | -- | Go to Step 10 | -- |
10 |
Did you correct the condition? | -- | System OK | Go to Step 3 |
