Heated Seat Inoperative Front
Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
DEFINITION: One or both of the front heated seats are inoperative. | ||||
1 | Did you review the system operation and perform the necessary inspections? | -- | Go to Step 2 | Go to Symptoms - Seats |
2 |
Do both front heated seats operate normally? | -- | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 | Are both front heated seats inoperative? | -- | Go to Step 4 | Go to Step 7 |
4 | Test and repair for an open or high resistance in the seat heater switch ignition voltage circuit. Refer to Circuit Testing and Wiring Repairs or Connector Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 19 | Go to Step 5 |
5 | Test and repair for an open or high resistance in the seat heater battery voltage circuit. Refer to Circuit Testing and Wiring Repairs or Connector Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 19 | Go to Step 6 |
6 | Test and repair for an open or high resistance in the seat heater ground circuit. Refer to Circuit Testing and Wiring Repairs or Connector Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 19 | Go to Step 7 |
7 |
Does the DMM indicate voltage is present and increases as the switch is turned from positions 1-5? | -- | Go to Step 10 | Go to Step 8 |
8 | During the previous step does the voltage measurement remain equal to battery positive voltage? | -- | Go to Step 9 | Go to Step 13 |
9 |
Did you find and correct the condition? | -- | Go to Step 19 | Go to Step 18 |
10 |
Does the DMM indicate voltage is present from switch positions 1 to 5? | -- | Go to Step 11 | Go to Step 14 |
11 | Test and repair the seat heater battery voltage circuit for an open or high resistance. Refer to Circuit Testing and Wiring Repairs or Connector Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 19 | Go to Step 12 |
12 | Test and repair the seat heater ground circuit for an open or high resistance. Refer to Circuit Testing and Wiring Repairs or Connector Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 19 | Go to Step 16 |
13 | Test and repair for an open or high resistance in the seat heater temperature control circuit. Refer to Circuit Testing and Wiring Repairs or Connector Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 19 | Go to Step 15 |
14 | Test and repair for an open or high resistance in the seat heater on/off control circuit. Refer to Circuit Testing and Wiring Repairs or Connector Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 19 | Go to Step 15 |
15 | Replace the inoperative seat heater switch. Refer to Front Seat Heater Switch Replacement . Is the repair complete? | -- | Go to Step 19 | -- |
16 |
Does the seat back cushion heater have continuity through both circuits? | -- | Go to Step 18 | Go to Step 17 |
17 | Replace the inoperative seat back cushion heater. Refer to Driver Seat and Passenger Seat Back Cushion Heater Replacement . Is the repair complete? | -- | Go to Step 19 | -- |
18 | Replace the inoperative seat cushion heater. Refer to Driver Seat and Passenger Seat Cushion Heater Replacement . Is the repair complete? | -- | Go to Step 19 | -- |
19 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK | Go to Step 3 |
