Last Modified: 7-3-2017 6.8:8.0.40 Doc ID: RM000001EX5003X
Model Year Start: 2007 Model: LX470 Prod Date Range: [08/2006 -           ]
Title: SEAT: SEAT HEATER SYSTEM: PROBLEM SYMPTOMS TABLE; 2007 MY LX470 [08/2006 -        ]

PROBLEM SYMPTOMS TABLE

HINT:

Use the table to help determine the cause of the problem symptom. 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.

Symptom

Suspected area

See page

Both seat heaters do not warm up

1. SEAT HTR fuse

2007 MY LX470 [08/2006 -        ]; SEAT: SEAT HEATER SYSTEM: PARTS LOCATION

2. Wire harness

-

Front seat heater LH does not warm up

1. Front seat heater switch LH

2007 MY LX470 [08/2006 -        ]; SEAT: SEAT HEATER SWITCH: INSPECTION+

2. Front seatback heater LH

2007 MY LX470 [08/2006 -        ]; SEAT: FRONT SEATBACK HEATER: INSPECTION+

3. Front seat cushion heater LH

2007 MY LX470 [08/2006 -        ]; SEAT: FRONT SEAT CUSHION HEATER: INSPECTION+

4. Wire harness

-

Front seat heater RH does not warm up

1. Front seat heater switch RH

2007 MY LX470 [08/2006 -        ]; SEAT: SEAT HEATER SWITCH: INSPECTION+

2. Front seatback heater RH

2007 MY LX470 [08/2006 -        ]; SEAT: FRONT SEATBACK HEATER: INSPECTION+

3. Front seat cushion heater RH

2007 MY LX470 [08/2006 -        ]; SEAT: FRONT SEAT CUSHION HEATER: INSPECTION+

4. Wire harness

-

Front seat heater LH temperature is too hot

1. Front seatback heater LH

2007 MY LX470 [08/2006 -        ]; SEAT: FRONT SEATBACK HEATER: INSPECTION+

2. Front seat cushion heater LH

2007 MY LX470 [08/2006 -        ]; SEAT: FRONT SEAT CUSHION HEATER: INSPECTION+

Front seat heater RH temperature is too hot.

1. Front seatback heater RH

2007 MY LX470 [08/2006 -        ]; SEAT: FRONT SEATBACK HEATER: INSPECTION+

2. Front seat cushion heater RH

2007 MY LX470 [08/2006 -        ]; SEAT: FRONT SEAT CUSHION HEATER: INSPECTION+