Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
Schematic Reference: Heated Seats Schematics | ||||
1 | Did you review the Heated Seats Description and Operation and perform the necessary inspections? | -- | Go to Step 2 | Go to Symptoms |
2 | Operate the heated seat system. Does the system operate normally? | -- | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 |
Did the test lamp illuminate? | -- | Go to Step 4 | Go to Step 11 |
4 | Connect a test lamp between the ground circuit at the Heated Seat Switch connector and battery positive voltage. Did the test lamp illuminate? | -- | Go to Step 5 | Go to Step 12 |
5 |
Is the measured voltage within the specified value? | 6-10 V | Go to Step 6 | Go to Step 8 |
6 | Connect a test lamp between the battery positive voltage circuit at the Heated Seat Relay Driver connector and a good ground. Did the test lamp illuminate? | -- | Go to Step 7 | Go to Step 13 |
7 | Connect a test lamp between the ground circuit at the Heated Seat Relay Driver connector and battery positive voltage. Did the test lamp illuminate? | -- | Go to Step 10 | Go to Step 14 |
8 | Test the Heated Seat Switch signal circuit for a open or short to ground. Did you find and correct the condition? | -- | Go to Step 17 | Go to Step 9 |
9 | Inspect for poor connections at the harness connector of the inoperative Heated Seat Switch. Refer to Testing for Intermittent Conditions and Poor Connections in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 17 | Go to Step 16 |
10 | Inspect for poor connections at the harness connector of the inoperative Heated Seat Relay Driver connector. Refer to Testing for Intermittent Conditions and Poor Connections in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 17 | Go to Step 15 |
11 | Repair the open or short to ground in the ignition positive voltage circuit at the inoperative Heated Seat Switch. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Step 17 | -- |
12 | Repair the open in the ground circuit at the inoperative Heated Seat Switch. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Step 17 | -- |
13 | Repair the open or short to ground in the battery positive voltage circuit at the inoperative Heated Seat Element. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Step 17 | -- |
14 | Repair the open in the ground circuit at the inoperative Heated Seat Relay Driver connector. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Step 17 | -- |
15 | Replace the inoperative Heated Seat Element Assembly. Refer to Driver Seat and Passenger Seat Back Cushion Heater Replacement and Driver Seat and Passenger Seat Cushion Heater Replacement . Did you complete the replacement? | -- | Go to Step 17 | -- |
16 | Replace the inoperative Heated Seat Switch. Did you complete the replacement? | -- | Go to Step 17 | -- |
17 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK | Go to Step 2 |
