Step | Action | Values | Yes | No |
|---|---|---|---|---|
Schematic Reference: Heated Seats Schematics Connector End View Reference: Power Seat Connector End Views | ||||
1 | Did you perform the Power Seat Diagnostic System Check? | -- | Go to Step 2 | |
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 |
Does the scan tool display the correct Heated Seat parameters in relation to heated seat switch operation? | -- | Go to Step 9 | Go to Step 4 |
4 |
Does the scan tool display the heated seat switches as active while the switches are pressed? | -- | Go to Step 5 | Go to Step 7 |
5 | Do the heated seat switch indicators operate normally? | -- | Go to Step 15 | Go to Step 6 |
6 | Do the heated seat switch indicators illuminate momentairly and turn off? | -- | Go to Step 10 | Go to Step 14 |
7 |
Does the back only select switch have continuity only when pressed? | -- | Go to Step 8 | Go to Step 12 |
8 | Test the resistance through the heated seat switch from the voltage supply circuit terminal to the back/cushion select switch signal circuit terminal while operating the back/cushion select switch. Does the back/cushion select switch have continuity only when pressed? | -- | Go to Step 14 | Go to Step 12 |
9 |
Does the test lamp illuminate? | -- | Go to Step 13 | Go to Step 11 |
10 |
Are the measurements within the specified values? | 1.5-5.5ohms | Go to Step 15 | Go to Step 13 |
11 | Test the seat heater element voltage supply and ground circuits in the seat harness for an open or short to ground. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 20 | Go to Step 15 |
12 | Inspect for poor connections at the heated seat switch harness connector to the door module. Refer to Testing for Intermittent Conditions and Poor Connections and to Connector Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 20 | Go to Step 16 |
13 | Inspect for poor connections at the heated seat element connector. Refer to Testing for Intermittent Conditions and Poor Connections and to Connector Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 20 | Go to Step 17 |
14 | Inspect for poor connections at the door module. Refer to Testing for Intermittent Conditions and Poor Connections and to Connector Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 20 | Go to Step 18 |
15 | Inspect for poor connections at the driver seat module (DSM). Refer to Testing for Intermittent Conditions and Poor Connections and to Connector Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 20 | Go to Step 19 |
16 | Replace the heated seat switch. Refer to Front Seat Heater Switch Replacement . Is the repair complete? | -- | Go to Step 20 | -- |
17 | Replace the inoperative heated seat element. Refer to Driver or Passenger Seat Back Cushion Heater Replacement or to Driver or Passenger Seat Cushion Heater Replacement . Is the repair complete? | -- | Go to Step 20 | -- |
18 | Replace the door module. Refer to Door Lock and Side Window Switch Replacement - Driver Side or Door Lock and Side Window Switch Replacement - Passenger Side in Doors. Is the repair complete? | -- | Go to Step 20 | -- |
19 | Replace the DSM. Refer to Memory Seat Control Module Replacement . Is the repair complete? | -- | Go to Step 20 | -- |
20 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK | Go to Step 3 |
