Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
Schematic Reference: Sunroof Schematics Connector End View Reference: Component Connector End Views | ||||
1 | Did you review the Power Sunroof Description and Operation and perform the necessary inspections? | -- | Go to Step 2 | Go to Symptoms - Roof |
2 | Operate the power sunroof. Does the system operate normally? | -- | Go to Testing for Intermittent Conditions and Poor Connections | Go to Step 3 |
3 |
Does the voltage measure near the specified value? | B+ | Go to Step 4 | Go to Step 6 |
4 | Measure the voltage from the sunroof limit switch 2 signal circuit at the sunroof motor harness connector to a good ground. Does the voltage measure near the specified voltage? | B+ | Go to Step 5 | Go to Step 7 |
5 | Measure the voltage from the sunroof limit switch 2 signal circuit and the sunroof limit switch low reference circuit at the sunroof motor harness connector. Does the voltage measure near the specified voltage? | B+ | Go to Step 10 | Go to Step 8 |
6 | Test the sunroof limit switch 1 signal circuit for an open, high resistance or a short to ground. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | -- | Go to Step 13 | Go to Step 9 |
7 | Test the sunroof limit switch 2 signal circuit for an open, high resistance or a short to ground. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | -- | Go to Step 13 | Go to Step 9 |
8 | Repair the sunroof limit switch low reference circuit for an open or high resistance between the sunroof motor and splice. Refer to Wiring Repairs . Did you complete the repair? | -- | Go to Step 13 | -- |
9 | Inspect for poor connections at the sunroof switch assembly. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs . Did you find and correct the condition? | -- | Go to Step 13 | Go to Step 11 |
10 | Inspect for poor connections at the sunroof motor. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs . Did you find and correct the condition? | -- | Go to Step 13 | Go to Step 12 |
11 | Replace the courtesy/reading lamp assembly that contains the sunroof switch assembly. Did you complete the replacement? | -- | Go to Step 13 | -- |
12 | Replace the sunroof motor. Refer to Sunroof Motor/Actuator Replacement . Did you complete the replacement? | -- | Go to Step 13 | -- |
13 |
Did you correct the condition? | -- | System OK | Go to Step 3 |
