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Toyota Sienna Service Manual: ABS Control System Malfunction

DTC 43 ABS Control System Malfunction

DESCRIPTION

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

INSPECTION PROCEDURE

NOTICE: When replacing the brake actuator assembly, perform zero point calibration (See page BC-70).

1 CHECK ABS CONTROL SYSTEM

(a) Clear the DTC (See page BC-82).

(b) Turn the ignition switch to the ON position.

(c) Check if the same DTC is recorded (See page BC-82).

Result

2 RECONFIRM DTC

(a) Turn the ignition switch off.

(b) Clear the DTC (See page BC-82).

(c) Start the engine.

(d) Drive the vehicle at a speed of approximately 40 km/h (25 mph) or more for 60 seconds or more.

(e) Check if the same DTC is recorded (See page BC-82).

Result

CHECK FOR INTERMITTENT PROBLEMS (SYMPTOM SIMULATION)

Diagnostic trouble code chart
HINT: If a malfunction code is displayed during the DTC check, check the circuit indicated by the DTC. For details of each code, turn to the page for the respective "DTC Code" in the DTC ...

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DESCRIPTION The speed sensor detects wheel speed and sends the appropriate signals to the ECU. These signals are used to control the ABS control system. The front and rear rotors have 48 ser ...

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Removal
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