Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
Schematic Reference: Sunroof Schematics Power Sunroof Schematics. DEFINITION: The sunroof glass will bypass the flush closed position when sliding from vent position. | ||||
1 | Did you review the Power Sunroof Description and Operation? | -- | Go to Step 2 | Go to Symptoms - Roof |
2 | Operate the power sunroof system. Does the system operate normally? | -- | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems. | Go to Step 3 |
3 |
Does the reference voltage measure near the specified value? | 4.5-5.5 V | Go to Step 4 | Go to Step 5 |
4 | Measure the reference voltage of the sunroof limit switch position 3-LS3 circuit at the sunroof opening position switch harness connector. Does the reference voltage measure near the specified value? | 4.5-5.5 V | Go to Step 7 | Go to Step 6 |
5 | Test the sunroof limit switch position 2-LS2 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 11 | Go to Step 8 |
6 | Test the sunroof limit switch position 3-LS3 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 11 | Go to Step 9 |
7 | Inspect for a poor connection at the sunroof opening position switch harness connector. 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 11 | Go to Step 9 |
8 | Inspect for a poor connection at the sunroof module harness connector. 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 11 | Go to Step 10 |
9 | Replace the sunroof opening position switch. Refer to Sunroof Position Encoding System Switch Replacement . Did you complete the replacement? | -- | Go to Step 11 | -- |
10 | Replace the sunroof module. Refer to Power Sunroof Express Module Replacement . Did you complete the replacement? | -- | Go to Step 11 | -- |
11 |
Did you correct the condition? | -- | System OK | Go to Step 2 |
