Toyota 4Runner: Problem Symptoms Table

Toyota 4Runner Service Manual / Vehicle Interior / Supplemental Restraint Systems / Occupant Classification System / 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.

Occupant Classification System

Symptom	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:

Lost Communication with A/C ECU (U0164)
DESCRIPTION DTC Code DTC Detection Condition Trouble Area U0164 There is no communication from the air conditioning amplifier assembly. Power source or inside air conditioning ...

Reassembly
REASSEMBLY PROCEDURE 1. INSTALL NO. 1 COOLER THERMISTOR NOTICE: If reusing the evaporator, do not insert the sensor into a location where the sensor was previously inserted. (a) Insert the sensor to a location that is 1 fin to the right or left of its ...