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.
Climate Control Seat System

Symptom

Suspected Area

See page

Climate control seat system does not operate

Refreshing seat switch


Harness or connector

-

Seat heater LH does not operate

Refreshing seat switch


Seat heater control sub-assembly LH


Front seat cushion heater assembly LH


Front seatback heater assembly LH


Harness or connector

-

Seat heater RH does not operate

Refreshing seat switch


Seat heater control sub-assembly RH


Front seat cushion heater assembly RH


Front seatback heater assembly RH


Harness or connector

-

One or both blowers do not operate (LH)

Refreshing seat switch


Seat cushion climate control blower LH

-

Seatback climate control blower LH

-

Air conditioning amplifier assembly


Harness or connector

-

One or both blowers do not operate (RH)

Refreshing seat switch


Seat cushion climate control blower RH

-

Seatback climate control blower RH

-

Air conditioning amplifier assembly


Harness or connector

-

Operation Check
OPERATION CHECK 1. CHECK SEAT CUSHION CLIMATE CONTROL BLOWER (a) Turn the engine switch on (IG). (b) Set the refreshing seat switch blower side to level 3 (maximum). (c) Check that the fan motor t ...

On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT SEAT HEATER CONTROL SUB-ASSEMBLY LH (a) Disconnect the b24 seat heater control sub-assembly LH connector. ...

Other materials about Toyota 4Runner:

Operating the lights and wipers
Headlight switch The headlights can be operated manually or automatically. Turning the end of the lever turns on the lights as follows: Type A 1. The daytime running lights turn on. 2.   The side marker, parking, tail, license plate, daytime r ...

Removal
REMOVAL PROCEDURE 1. DRAIN ENGINE COOLANT (a) Drain engine coolant (See page ). 2. RECOVER REFRIGERANT FROM REFRIGERATION SYSTEM 3. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL CAUTION: Wait at least 90 seconds after disconnecting the cable from ...

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