(d) Drive the vehicle at a speed of 3 km/h (2 mph) or more for at least 10 seconds.
(e) Check if the same DTC is recorded See: Brakes and Traction Control/Antilock Brakes / Traction Control Systems/Testing and
Inspection/Reading and Clearing Diagnostic Trouble Codes.
Result:
NOTICE:
Check the yaw rate and acceleration sensor signal after replacement See: Brakes and Traction Control/Antilock Brakes /
Traction Control Systems/Testing and Inspection/Initial Inspection and Diagnostic Overview/Test Mode Procedure.
HINT
If troubleshooting has been carried out according to Problem Symptoms Table, refer back to the table and proceed to the next
step See: Brakes and Traction Control/Antilock Brakes / Traction Control Systems/Testing and Inspection/Symptom Related
Diagnostic Procedures/Problem Symptoms Table.
B -- REPLACE YAW RATE AND ACCELERATION SENSOR See: Brakes and Traction Control/Antilock Brakes / Traction
Control Systems/Acceleration/Deceleration Sensor/Service and Repair/Removal
A -- CHECK FOR INTERMITTENT PROBLEMS See: Accessories and Optional Equipment/Antitheft and Alarm
Systems/Diagrams/Diagnostic Aids/How To Troubleshoot ECU Controlled Systems/How To Proceed With Troubleshooting
Up to 08/2009
BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: VEHICLE STABILITY CONTROL SYSTEM: C1401,C1402: Front Speed
Sensor RH Malfunction
DESCRIPTION
The speed sensor detects wheel speed and sends the appropriate signals to the skid control ECU. These signals are used for ABS control.
Speed sensor rotors have 48 serrations The hall IC type speed sensor uses the frequency of output pulses to detect the vehicle speed. Because the
sensor outputs digital pulses, it can detect vehicle speeds even when the vehicle is nearly stationary.
HINT
- DTC C1401 is for the front speed sensor RH.
- DTC C1402 is for the front speed sensor LH.
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