Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
Schematic Reference: Heated Seats Schematics Connector End View Reference: Power Seat Connector End Views Definition: Either the heated seat cushion is inoperative or partially inoperative, or the heated seat back is inoperative. The heated seat system can be turned On and Off. | ||||
1 | Did you perform the Diagnostic System Check - Power Seat Systems? | -- | Go to Step 2 | |
2 | Verify that the Heated Seat Inoperative -- Cushion or Back complaint is present. Does the heated seat system operate as described in the description and operation? | -- | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 | Does the seat cushion but not the seat back get warm? | -- | Go to Step 6 | Go to Step 4 |
4 | Does only part of the seat cushion get warm? | -- | Go to Step 9 | Go to Step 5 |
5 |
Does the resistance measure less than the specified value? | 10 ohms | Go to Step 11 | Go to Step 7 |
6 |
Does the resistance measure less than the specified value? | 10 ohms | Go to Step 11 | Go to Step 8 |
7 | Test the heated seat element voltage supply circuit and the element control circuit between the heated seat module and the seat cushion heating element for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 15 | Go to Step 9 |
8 | Test the heated seat element voltage supply voltage circuit and the element control circuit between the heated seat module and the seat back heating element for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 15 | Go to Step 10 |
9 | Inspect for poor connections at the harness connector of the seat cushion heating element. 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 15 | Go to Step 12 |
10 | Inspect for poor connections at the harness connector of the seat back heating element. 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 15 | Go to Step 13 |
11 | Inspect for poor connections at the harness connector of the heated seat 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 15 | Go to Step 14 |
12 | Replace the appropriate seat cushion heating element. Refer to Driver Seat and Passenger Seat Cushion Heater Replacement or Rear Seat Cushion Heater Replacement . Did you complete the replacement? | -- | Go to Step 15 | -- |
13 | Replace the appropriate seat back heating element. Refer to Driver Seat and Passenger Seat Back Cushion Heater Replacement or Rear Seat Back Cushion Heater Replacement . Did you complete the replacement? | -- | Go to Step 15 | -- |
14 | Replace the heated seat module. Refer to Front Seat Heater Control Module Replacement or Rear Seat Heater Control Module Replacement . Did you complete the replacement? | -- | Go to Step 15 | -- |
15 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK | Go to Step 2 |
