Component Location
General Description

Wheel Speed Sensor senses vehicle speed and difference between front and rear wheel speed. Opreation for getting Rotating Speeds of front/rear wheel can be got from deviding wheel speed sensor Rotating Speeds of front/rear by 2.

In case of ESP(or FTCS) system applied 4WD ECU receives this signal through CAN line, If it is not the case 4WD ECU receives this signal directly by using PWM communication line.

DTC Description

This code related to Wheel Speed Sensor is set when difference between front and rear wheel speed is above 30km/h for more than 30sec or loss of signal is occurred. In case of ESP(or FTCS) system applied this code is set when the signal though CAN line can′t be received to TCCU for more than 1sec.If failure is detected TCCU prohibits the ITM control.

DTC Detecting Condition

Item

Detecting Condition

Possible Cause

DTC Strategy

● Loss of signal

● ABS MODULE,TCCU connector looseness and poor terminal to wire connection.

● Wheel sensor comm line circuit open/short.

● Faulty Wheel sensor .

● Faulty ABS MODULE .

● Faulty TCCU .

Enable Conditions

● Fault cleared ignition cycle

Threshold Value

● Speed defference 30kph

Diagnostic Time

● 30 sec

MIL on condition

● 0.5 Sec.

Fail Safe

Schematic Diagram
Signal Waveform
Яндекс.Метрика