General Information

Electronic Stability Control
C1207 Wheel Speed Sensor Rear-LH Range / Performance / Intermittent - General Information

Component Location





General Description

The Wheel Speed Sensors (WSS)are an essential component the ABS system. The WSS signals are used to calculate vehicle speed and to determine whether wheel lock occurs.
The Wheel Speed Sensors are active hall-sensor type.

DTC Description

The ABS ECU monitors the wheel speed sensor signal continuously.
This code is set if an abnormal speed change ratio is detected while the vehicle speed is more than 2Km/h.
Warning lamp is turned OFF unless additional faults are detected when the IG KEY is turned ON again, and wheel speed is more than 10 Km/h.

DTC Detecting Condition





Specification





Diagnostic Circuit Diagram





Signal Waveform




Fig 1) Normal waveform of wheel speed sensor with low speed conditon