Intermittent Signal From Left Front Sensor

Test 1:

Tests 2 Through 6:

Tests 7 Through 9:

Symptom:
INTERMITTENT SIGNAL FROM LEFT FRONT SENSOR

When Monitored and Set Condition:
INTERMITTENT SIGNAL FROM LEFT FRONT SENSOR

When Monitored:
1. Ignition turned on for at least 3.5 seconds.
2. Average filtered speed computation for the two front wheel above 6 km/h (4 mph).
3. Speed computation for each suspect sensor above 32 km/h (20 mph) (brake applied or ABS active) or 19 km/h (12 mph) (brake released or ABS inactive)

Set Condition:
4. No output signal from one or more sensors for 15 milliseconds (ms).

POSSIBLE CAUSES
LEFT FRONT WHEEL SPEED SENSOR WIRING HARNESS OBSERVABLE DEFECT
LEFT FRONT WHEEL SPEED SENSOR 2-WAY CONNECTOR OBSERVABLE DEFECT
LEFT FRONT WHEEL SPEED SENSOR/TONE WHEEL OBSERVABLE DEFECT
LEFT FRONT WHEEL SPEED SENSOR (+) CIRCUIT OPEN
LEFT FRONT WHEEL SPEED SENSOR (-) CIRCUIT OPEN
LEFT FRONT WHEEL SPEED SENSOR DEFECTIVE
CAB CONNECTOR OBSERVABLE DEFECT
CAB DEFECTIVE