Toyota 4Runner manuals

Toyota 4Runner: Problem Symptoms Table



  • 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.
Occupant Classification System


Suspected Area

See page

The front passenger seat condition differs from that indicated by the passenger airbag ON/OFF indicator (DTC is not stored)

Trouble in Passenger Airbag ON/OFF Indicator

System Description
SYSTEM DESCRIPTION 1. DESCRIPTION OF OCCUPANT CLASSIFICATION SYSTEM (a) GENERAL DESCRIPTION (1) In the occupant classification system, the occupant classification ECU calculates the weight of the ...

Terminals Of Ecu
TERMINALS OF ECU 1. CHECK OCCUPANT CLASSIFICATION ECU Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition ...

Other materials about Toyota 4Runner:

REMOVAL PROCEDURE 1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system. NOTICE: When disconnecting the cable, some systems ne ...

INSPECTION PROCEDURE 1. INSPECT OUTER REAR VIEW MIRROR ASSEMBLY LH (w/ Side Turn Signal Light) (a) Apply battery voltage and check the operation of the outer mirror LH. OK: Condition Specified Conditio ...

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