Seat Heater System Problem Symptoms Table

Seat Heater System -- Problem Symptoms Table


HINT:
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.

Seat Heater System
Symptom
Suspected Area
See page
Both front seat heaters do not operate
S/HTR FR fuse
-
ECU-IG NO.2 fuse
-
Harness or connector
-
Front seat heater LH does not operate
Harness or connector
-
Seat heater switch LH
LandCruiser RM000002XF002GX.html
Front seat cushion heater assembly LH (for Manual Seat)
LandCruiser RM000002XF803PX.html
Front seat cushion heater assembly LH (for Power Seat)
LandCruiser RM000002XF803QX.html
Front seat cushion heater assembly LH (for Walk in Seat Type)
LandCruiser RM0000047C5006X.html
Front seatback heater assembly LH (for Manual Seat)
LandCruiser RM000002XF4047X.html
Front seatback heater assembly LH (for Power Seat)
LandCruiser RM000002XF4048X.html
Front seatback heater assembly LH (for Walk in Seat Type)
LandCruiser RM0000047C1006X.html
Seat heater control sub-assembly LH (for front side)
LandCruiser RM000003F7K01AX.html
Front seat heater RH does not operate
Harness or connector
-
Seat heater switch RH
LandCruiser RM000002XF002GX.html
Front seat cushion heater assembly RH (for Manual Seat)
LandCruiser RM000002XF803PX.html
Front seat cushion heater assembly RH (for Power Seat)
LandCruiser RM000002XF803QX.html
Front seat cushion heater assembly RH (for Walk in Seat Type)
LandCruiser RM0000047C5006X.html
Front seatback heater assembly RH (for Manual Seat)
LandCruiser RM000002XF4047X.html
Front seatback heater assembly RH (for Power Seat)
LandCruiser RM000002XF4048X.html
Front seatback heater assembly RH (for Walk in Seat Type)
LandCruiser RM0000047C1006X.html
Seat heater control sub-assembly RH (for front side)
LandCruiser RM000003F7K01AX.html
Both rear seat heaters do not operate (w/ rear seat heater system)
S/HTR RR relay
-
IG1 fuse
-
S/HTR RR fuse
-
ECU-IG NO.2 fuse
-
Harness or connector
-
Air conditioning control assembly
LandCruiser RM0000039QL011X.html
Rear seat heater LH does not operate (w/ rear seat heater system)
LIN communication system
LandCruiser RM000001RSO0BWX.html
Harness or connector
-
Rear seat cushion heater LH
LandCruiser RM000004AL7009X.html
Rear seatback heater LH
LandCruiser RM000004AKZ009X.html
Seat heater control sub-assembly LH (for rear side)
LandCruiser RM000003F7K01AX.html
Air conditioning control assembly
LandCruiser RM0000039QL011X.html
Rear seat heater RH does not operate (w/ rear seat heater system)
LIN communication system
LandCruiser RM000001RSO0BWX.html
Harness or connector
-
Rear seat cushion heater RH
LandCruiser RM000004ALB009X.html
Rear seatback heater RH
LandCruiser RM000004AL3009X.html
Seat heater control sub-assembly RH (for rear side)
LandCruiser RM000003F7K01AX.html
Air conditioning control assembly
LandCruiser RM0000039QL011X.html