Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Did you review the rear window sunshade operation and perform the necessary inspection? | -- | Go to Step 2 | Go to Symptoms |
2 |
Important: Inspect the rear window sunshade assembly for binding or mechanical failure. Test the rear fuse block SUNSHADE Fuse. Does the SUNSHADE Fuse test OK. | -- | Go to Step 3 | Go to Step 14 |
3 |
Does the voltage measure within the specified range? | 4.50-5.50 V | Go to Step 4 | Go to Step 8 |
4 | Measure the voltage between the switch input circuit of the sunshade switch harness connector and the ground circuit of the sunshade switch harness connector. Does the voltage measure within the specified range? | 4.50-5.50 V | Go to Step 5 | Go to Step 10 |
5 | Measure the resistance across the two terminals of the sunshade switch. Does the resistance measure less than the specified value? | OL | Go to Step 17 | Go to Step 6 |
6 |
Does the resistance measure greater than the specified value? | 150-250 ohms | Go to Step 17 | Go to Step 7 |
7 |
Does the test lamp illuminate? | -- | Go to Step 19 | Go to Step 16 |
8 | Test the switch input circuit between the sunshade switch and the sunshade module for a short to voltage. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 24 | Go to Step 9 |
9 | Test the switch input circuit between the sunshade switch and the sunshade module for a high resistance or an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems Did you find and correct the condition? | Go to Step 24 | Go to Step 11 | |
10 | Test the ground circuit between the sunshade module and the sunshade switch for a high resistance or an open. Did you find and correct the condition? | -- | Go to Step 24 | Go to Step 12 |
11 |
Does the voltage measure less than the specified value? | 9-16 V | Go to Step 13 | Go to Step 12 |
12 | Test the ground circuit of the sunshade module for a high resistance or an open. Did you find and correct the condition? | -- | Go to Step 24 | Go to Step 20 |
13 | Repair the open in the battery positive voltage circuit between the rear fuse block and the sunshade module. Did you complete the repair? | -- | Go to Step 24 | -- |
14 | Test the battery positive voltage circuit of the sunshade module 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 23 | Go to Step 15 |
15 | Test the rear window sunshade motor control circuits 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 23 | Go to Step 19 |
16 | Test the sunshade motor control circuits between the sunshade motor and the sunshade module for a high resistance or an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 24 | Go to Step 21 |
17 | Inspect for poor connections at the harness connector of the sunshade 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 24 | Go to Step 18 |
18 | Replace the rear window sunshade switch. Refer to Rear Window Inside Sunshade Switch Replacement . Did you complete the replacement? | -- | Go to Step 24 | -- |
19 | Inspect for poor connections at the harness connector of the rear window sunshade motor. 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 24 | Go to Step 20 |
20 | Replace the rear window sunshade. Refer to Rear Sunshade Replacement . Did you complete the replacement? | -- | Go to Step 24 | -- |
21 | Inspect for poor connections at the harness connector of the rear window sunshade 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 24 | Go to Step 22 |
22 | Replace the rear window sunshade module. Refer to Rear Window Inside Sunshade Control Module Replacement . Did you complete the replacement? | -- | Go to Step 24 | -- |
23 | Replace the rear fuse block SUNSHADE Fuse. Did you complete the replacement? | -- | Go to Step 24 | -- |
24 | Operate the rear window sunshade to verify the repair. Did you correct the condition? | -- | System OK | Go to Step 2 |
