Troubleshooting
4.3-8
Recommended
countermeasures
Wheel speed sensor 2 (RL)
failed
1. External wiring/circuit
abnormal
2. Mounting position of sensor
improper
3. External connection of
sensor abnormal
4. Inductive head of sensor
damaged
1. Verify the external wiring and
circuit
2. Adjust the mounting position
of sensor
3. Replace the sensor.
4. Replace the sensor.
Incorrect wheel gear number
1. Wheel abnormal
2. Wheel speed sensor
connection abnormal
3. Wheel speed sensor sensing
head failed
1. Verify the tire condition.
2. Verify the external
connection of wheel speed
sensor.
3. Replace the wheel speed
sensor.
Master cylinder pressure
sensor failed
1. External system or actuator
failed
2. Sensor damaged
3. STP-SW abnormal
4. STP-SW malposition
1. Eliminate the external fault.
2. Replace the ESC.
3. Replace the STP-SW.
4. Adjust the STP-SW position.
Steering angle sensor signal
abnormal
1. External wiring/circuit
abnormal
2. Sensor damaged
1. Eliminate the external fault.
2. Replace the sensor.
Steering angle sensor not
calibrated
Check the VCU end operation.
Check the ESM end operation.
1. VUC/ESM/SAS failed
2. CAN BUS abnormal
1. Check the operation of
VUC/ESM/SAS.
2. Check the external fault.