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:

Disassembly
DISASSEMBLY PROCEDURE 1. INSPECT DIFFERENTIAL RING GEAR BACKLASH (a) Using SST and a dial indicator, measure the ring gear backlash. SST: 09564-32011 Standard backlash: 0.11 to 0.21 mm (0.00433 to 0.00827 in.) If the backlash is not as specified, adj ...

Vehicle Speed Signal Circuit between Stereo Component Amplifier and Combination Meter
DESCRIPTION The stereo component amplifier assembly receives a vehicle speed signal from the combination meter assembly to control the ASL function. HINT: A voltage of 12 V or 5 V is output from each ECU and then input to the combination meter ...