| Front seat heater does not operate. |
1. Check the fuse. Ref. to SEATS>RELAY AND FUSE>INSPECTION>CHECK FUSE . |
| 2. Check the relay. Ref. to SEATS>RELAY AND FUSE>INSPECTION>CHECK RELAY . |
| 3. Check the seat heater system harness circuit. Ref. to SEATS>SEAT HEATER SYSTEM>INSPECTION>CHECK HARNESS CIRCUIT (FRONT) . |
| 4. Check the seat heater unit. Ref. to SEATS>SEAT HEATER SYSTEM>INSPECTION>SEAT HEATER UNIT (FRONT) . |
| 5. Check the front seat heater switch. Ref. to SEATS>SEAT HEATER SYSTEM>INSPECTION>CHECK SEAT HEATER SWITCH (FRONT) . |
| Rear seat heater does not operate. |
1. Check the fuse. Ref. to SEATS>RELAY AND FUSE>INSPECTION>CHECK FUSE . |
| 2. Check the seat heater system harness circuit. Ref. to SEATS>SEAT HEATER SYSTEM>INSPECTION>CHECK THE HARNESS CIRCUIT (REAR) . |
| 3. Check the seat heater unit. Ref. to SEATS>SEAT HEATER SYSTEM>INSPECTION>SEAT HEATER UNIT (REAR) . |
| 4. Check the rear seat heater switch. Ref. to SEATS>SEAT HEATER SYSTEM>INSPECTION>CHECK SEAT HEATER SWITCH INDICATOR (REAR) . |
| 5. When the rear seat heater does not operate even when the above inspections were performed, replace the rear seat heater control module. |
| Rear seat heater switch indicator does not illuminate. |
1. Check the rear seat heater switch. Ref. to SEATS>SEAT HEATER SYSTEM>INSPECTION>CHECK SEAT HEATER SWITCH INDICATOR (REAR) . |
| Illumination of rear seat heater switch does not illuminate. |
1. Check the rear seat heater switch. Ref. to SEATS>SEAT HEATER SYSTEM>INSPECTION>CHECK SEAT HEATER SWITCH ILLUMINATION (REAR) . |