Left Rear Sensor Signal Failure

Tests 61 Through 66:

Tests 67 Through 69:

Symptom
LEFT REAR SENSOR SIGNAL FAILURE


When Monitored
1. Ignition on.
2. The CAB monitors the wheel speed signals at all times.

Set Condition
If the sensor signal is missing, as soon as vehicle speed exceeds 12 mph the DTC will set. If during an ABS stop, the CAB commands any valve solenoid on for an extended length of time, and does not see a corresponding wheel speed change, the DTC is set.

POSSIBLE CAUSES
CAB CONNECTOR OBSERVABLE DEFECT
LEFT REAR WSS CIRCUITS SHORTED TOGETHER
TONE WHEEL DEFECTIVE
LEFT REAR WHEEL BEARING CLEARANCE OUT OF SPECIFICATIONS
LEFT REAR WSS AIR GAP OUT OF SPECIFICATION
LEFT REAR WSS SENSOR DEFECTIVE
LEFT REAR WSS SENSOR OBSERVABLE DEFECT
NO PROBLEM FOUND