Toyota RAV4 manuals

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 ...

Right Front Wheel Speed Sensor Signal
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 ...

Other materials:

Precaution
1. PRECAUTION FOR VEHICLE WITH SRS AIRBAG AND SEAT BELT PRETENSIONER Some operations in this section may affect SRS airbag system. Before performing the corresponding operations, please read the NOTICE of the SRS airbag for the proper operations. COMPONENTS ...

Speed sensor check (when using intelligent tester)
(a) Check the backward signal. (1) Drive the vehicle in reverse for more than 1 second at 3 km/h (2 mph) or higher. HINT: Drive the vehicle in reverse and check the speed sensor signal. Note that the signal check cannot be completed if the vehicle speed is 45 km/h (28 mph) or more. (b) Che ...

Removal
1. PRECAUTION HINT: See page RS-1 2. DISCONNECT BATTERY NEGATIVE TERMINAL Wait for 90 seconds after disconnecting the battery terminal to prevent the airbag working. 3. PLACE FRONT WHEELS FACING STRAIGHT AHEAD 4. REMOVE STEERING WHEEL COVER LOWER NO.2 (See page RS-424) 5. REMOVE STEERING WH ...

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