Toyota 4Runner manuals

Toyota 4Runner: Problem Symptoms Table

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.
  • Inspect the fuses and relays related to this system before inspecting the suspected areas below.
Seat Heater System

Symptom

Suspected Area

See page

Seat heater LH does not operate

Seat heater switch LH


Separate type front seat cushion cover LH


Separate type front seatback cover LH


Seat heater control sub-assembly LH


Harness or connector

-

Seat heater RH does not operate

Seat heater switch RH


Separate type front seat cushion cover RH


Separate type front seatback cover RH


Seat heater control sub-assembly RH


Harness or connector

-

System Description
SYSTEM DESCRIPTION 1. GENERAL DESCRIPTION (a) By operating the seat heater switch, which is located in the console box, the seat temperature can be controlled within the range of 30 to 40°C (86 t ...

On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT SEAT HEATER CONTROL SUB-ASSEMBLY LH (a) Disconnect the b2 seat heater control sub-assembly LH connector. ...

Other materials about Toyota 4Runner:

Lost Communication with ECM/PCM "A" (U0100/71,U0122/71,U0124/71,U0126/71)
DESCRIPTION DTC Code DTC Detection Condition Trouble Area U0100/71 While driving at 30 km/h (19 mph), the ECM indicates a CAN communication stop for 3 seconds or more. CAN communicati ...

Installation
INSTALLATION PROCEDURE 1. ADJUST COMPRESSOR OIL (a) When replacing the compressor and magnetic clutch with a new one, gradually discharge the refrigerant gas from the service valve and drain the following amount of oil from the new compressor and magnet ...

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