Step | Action | Values | Yes | No |
|---|---|---|---|---|
Schematic Reference: Driver Seat Schematics , Passenger Seat Schematics Connector End View Reference: Power Seat Connector End Views DEFINITION: The driver or passenger heated seat is inoperative. | ||||
1 | Did you review the Heated Seat System Description and Operation and perform the necessary inspections? | -- | Go to Step 2 | |
2 |
Does the heated seat operate properly? | -- | Go to Testing for Intermittent Conditions and Poor Connections | Go to Step 3 |
3 | Does the heated seat switch indicator illuminate when the switch is turned ON? | -- | Go to Step 6 | Go to Step 4 |
4 | Test the heated seat switch ignition voltage supply circuit for an open or high resistance. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | -- | Go to Step 17 | Go to Step 5 |
5 | Test the heated seat switch ground circuit for an open or high resistance. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | -- | Go to Step 17 | Go to Step 11 |
6 |
Does the test lamp illuminate? | -- | Go to Step 7 | Go to Step 10 |
7 | Test the heated seat battery positive voltage supply circuit for an open or short to ground. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | -- | Go to Step 17 | Go to Step 8 |
8 | Test the heated seat ground circuit for an open or high resistance. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | -- | Go to Step 17 | Go to Step 9 |
9 |
Is the resistance within the specified values? | 0.5-2 ohms | Go to Step 15 | Go to Step 13 |
10 | Test the heated seat switch signal circuit for an open or high resistance. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | -- | Go to Step 17 | Go to Step 11 |
11 | Inspect for poor connections at the heated seat switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs . Did you find and correct the condition? | -- | Go to Step 17 | Go to Step 12 |
12 | Replace the heated seat switch. Is the repair complete? | -- | Go to Step 17 | -- |
13 | Inspect for poor connections at the heated seat back element connector. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs . Did you find and correct the condition? | -- | Go to Step 17 | Go to Step 14 |
14 | Replace the heated seat back element. Refer to Driver or Passenger Seat Back Cushion Heater Replacement . Is the repair complete? | -- | Go to Step 17 | -- |
15 | Inspect for poor connections at the heated seat cushion 4-way connector. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs . Did you find and correct the condition? | -- | Go to Step 17 | Go to Step 16 |
16 | Replace the heated seat cushion element. Refer to Driver or Passenger Seat Cushion Heater Replacement . Is the repair complete? | -- | Go to Step 17 | -- |
17 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK | Go to Step 3 |
