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:
Removal
1. REMOVE REAR WHEEL
2. REMOVE SKID CONTROL SENSOR WIRE (for 2WD)
(a) Disconnect the skid control sensor connector.
(b) Remove the bolt and disconnect the bracket from
the rear axle beam assembly.
HINT:
Separate the RH side by the same procedures as
the LH side.
3. SEPARATE SPEED SENSO ...
Clock setting
Display the “General Settings” screen.
Operations up to this point can also be performed by select the clock
display
at the top of most screens.
Select the items to be set.
Manual clock setting
Set minutes to 00
The 24-hour time format can
be to on/off.
Select ...
Data list / active test
1. DATA LIST
HINT:
Using the intelligent tester's DATA LIST allows the status
of a switch, sensor, actuator and other items to be read
without removing any parts. Reading the DATA LIST
early in troubleshooting is one way to save time.
Connect the intelligent tester (with CAN VIM) to t ...
