For 1990-2009 cars

Step | Action | Yes | No
--- | --- | --- | ---
Schematic Reference: Rear Seat Schematics Connector End View Reference: Component 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