Toyota 4Runner: Problem Symptoms Table

Toyota 4Runner Service Manual / Suspension / Suspension Control / Kinetic Dynamic Suspension 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.

Kinetic Dynamic Suspension System

Symptom	Suspected Area	See page
Kinetic dynamic suspension system DTC cannot be output (When using Techstream)	CAN communication system
	Harness or connector (power source of stabilizer control ECU)
	Stabilizer control ECU
Kinetic dynamic suspension system DTC cannot be output (When not using Techstream)	CAN communication system
	Harness or connector (power source of stabilizer control ECU)
	Stabilizer control ECU
	Combination meter
KDSS indicator light does not come on	CAN communication system
	Harness or connector (power source of stabilizer control ECU)
	Combination meter
Vehicle is tilted	Stabilizer control solenoid valve
	Fluid leakage
	Bleed air (check for clogs in hydraulic circuit and lack or excess of fluid)
Roll is not controlled when driving	Brake control system
	Stabilizer control solenoid valve
	Fluid leakage
	Bleed air (check for clogs in hydraulic circuit and lack or excess of fluid)
	Accumulator pressure sensor

System Description

SYSTEM DESCRIPTION 1. DESCRIPTION (a) System description In the KDSS (Kinetic Dynamic Suspension System), a cylinder is installed to each of the front and rear stabilizer bars. The front and rear ...

Terminals Of Ecu

TERMINALS OF ECU Text in Illustration *a Component with harness connected (Stabilizer Control ECU) - - Terminal No. (Symbol) ...

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