Intermittent Signal From Rear Sensor

Symptom:
INTERMITTENT SIGNAL FROM REAR SENSOR
NO SIGNAL FROM REAR SENSOR

When Monitored and Set Condition:
INTERMITTENT SIGNAL FROM REAR SENSOR
When Monitored:
1. No output signal from sensor for 15 milliseconds (ms).
2. Average filtered wheel speed computation above 19 km/h (12 mph) with the brake released or above 32 km/h (20 mph) with the brake pedal applied.

OR

1. Rear wheel acceleration reversing sense in between two sampling periods.
2. Magnitude of rear wheel acceleration or deceleration exceeding 3 g in the second sample period.

Set Condition:
Criteria 1 and 2 satisfied 128 times within a 21 second period.


POSSIBLE CAUSES
CAB--SETTING FALSE DTC
REAR WHEEL SPEED SENSOR OR CONNECTOR DAMAGED
TONE WHEEL DAMAGED
REAR WHEEL SPEED SENSOR AIR GAP OUT OF SPECIFICATION
REAR WHEEL SPEED SENSOR INOPERATIVE
CAB WON'T RESPOND TO REAR WHEEL SPEED SENSOR SIGNAL
INTERMITTENT SIGNAL DTC