Diagnosis Procedure

1. Turn ignition switch OFF.
2. Disconnect front seat cushion heater connector and front seatback heater connector.
3. Check continuity between front seat cushion heater harness connector and front seatback heater harness connector.

   Front seat cushion heater			Front seatback heater		Continuity
   Connector		Terminal	Connector	Terminal
   Driver side	B534	78	B535	78	Existed
   Passenger side	B574		B575

4. Check continuity front seat cushion heater harness connector and ground.

   Front seat cushion heater			Ground	Continuity
   Connector		Terminal
   Driver side	B534	78		Not existed
   Passenger side	B574

Is the inspection result normal?

YES

GO TO 2.

NO

Repair or replace harness.

Check front seatback heater.

Refer to Component Inspection .

Is the inspection result normal?

YES

Replace front seat cushion heater.

NO

Replace front seatback heater.