Toyota Highlander Service Manual: Location

PROBLEM SYMPTOMS TABLE
Symptom |
Suspected Area |
Driver's and passenger's seat heaters do not warm up |
- SEAT HTR fuse
- IG1 fuse
- Seat heater relay
- Wire harness
|
Only driver's seat heater does not warm up |
- Seat heater (front) switch LH
- Front seat cushion Cover LH
(seat cushion heater assy LH)
- Front seatback cover LH
(seatback heater assy LH)
- Wire harness
|
Only passenger's seat heater does not warm up |
- Seat heater (front) switch RH
- Front seat cushion Cover RH
(seat cushion heater assy RH)
- Front seatback cover RH
(seatback heater assy RH)
- Wire harness
|
1. INSPECT SEAT HEATER (FRONT) SWITCH LH
(a) Check the resistance between the terminals when the
switch is operated.
Standard:
If the result is not as specified, replace the seat heater sw ...
More about Toyota Highlander:
Electronic circuit inspection procedure
1. BASIC INSPECTION
(a) RESISTANCE MEASURING CONDITION OF ELECTRONIC PARTS
Unless stated, all resistance is measured at an ambient
temperature of 20 C (68 F). Resistances
measured may be outside the specifications if measured at high temperatures,
i.e. immediately
after the vehi ...
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