Toyota 4Runner: ABS Control System Malfunction (43)

Toyota 4Runner Service Manual / Brake / Brake Control / Dynamic Control Systems / Vehicle Stability Control System(for Hydraulic Brake Booster) / ABS Control System Malfunction (43)

DESCRIPTION

This DTC is output when the VSC system detects a malfunction in the ABS.

DTC Code	DTC Detection Condition	Trouble Area
43	A malfunction in the anti-lock brake system.	Anti-lock brake system

CAUTION / NOTICE / HINT

NOTICE:

When replacing the master cylinder solenoid, perform calibration (See page ).

PROCEDURE

1.	CHECK ANTI-LOCK BRAKE SYSTEM

(a) Clear the DTCs (See page ).

(b) Turn the ignition switch off.

(d) Check if an ABS DTC is output (See page
).

Result

Result	Proceed to
DTC (ABS DTC) is not output	A
DTC (ABS DTC) is output	B

REPAIR CIRCUITS INDICATED BY OUTPUT DTCS

2.	CONFIRM DTC

(a) Clear the DTCs (See page ).

(b) Turn the ignition switch off.

(d) Check if the same DTC is output (See page
).

Result

Result	Proceed to
DTC is not output	A
DTC is output	B

USE SIMULATION METHOD TO CHECK

REPLACE MASTER CYLINDER SOLENOID

Fail-safe Chart

FAIL-SAFE CHART 1. FAIL-SAFE OPERATION If there is a problem with sensor signals or hydraulic brake booster systems, the skid control ECU prohibits power from being supplied to the hy ...

SFR Solenoid Circuit (C0226,C0236,C0246,C0256,C1225-C1228)

DESCRIPTION The solenoid turns on when signals are received from the skid control ECU and controls the pressure acting on the wheel cylinders, thus controlling braking force. DTC Code ...

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