For 1990-2009 cars

Step | Action | Yes | No
--- | --- | --- | ---
Schematic Reference: Rear Seat Schematics Connector End View Reference: Power Seat Connector End Views
1 | Did you review the heated seat operation and perform the necessary inspection? | Go to Step 2 | Go to Symptoms - Seats
2 | Verify that the Heated Seat Always On - Rear complaint is present. Does the heated seat system operate as described in the system description and operation? | Go to Testing for Intermittent Conditions and Poor Connections | Go to Step 3
3 | Disconnect the rear heated seat switch harness connector. Does the seat cool down? | Go to Step 6 | Go to Step 4
4 | Test the appropriate rear heated seat switch signal circuit between the heated seat switch and the rear heated seat module for a short to voltage. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | Go to Step 9 | Go to Step 5
5 | Inspect for poor connections at the harness connector of the rear heated seat module. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs . Did you find and correct the condition? | Go to Step 9 | Go to Step 7
6 | Inspect for poor connections at the harness connector of the rear heated seat module. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs . Did you find and correct the condition? | Go to Step 9 | Go to Step 8
7 | Replace the rear heated seat module. Refer to Control Module References for replacement, setup, and programming. Did you complete replacement? | Go to Step 9 | --
8 | Replace the rear heated seat switch. Refer to Auxiliary Heater and Air Conditioning Control Replacement for replacement, setup, and programming. Have you finished the replacement? | Go to Step 9 | --
9 | Operate the system to verify the repair. Did you correct the condition? | System OK | Go to Step 2