Left Front Sensor Open

Symptom:
LEFT FRONT SENSOR OPEN

When Monitored and Set Condition:
LEFT FRONT SENSOR OPEN

When Monitored:
Ignition On.
The CAB continuously monitors the wheel speed sensor circuits by sending a signal through the sensor circuits.

Set Condition:
1. No output signal from any sensor for initial 1.0 second period.
2. Excessive sensor resistance for subsequent 1.0 second period. If CAB doesn't receive the proper signal back, Sensor Open DTC sets.

POSSIBLE CAUSES
LEFT FRONT WHEEL SPEED SENSOR OR CONNECTOR DAMAGED
INTERMITTENT DTC
LEFT FRONT WHEEL SPEED SENSOR (+) CIRCUIT SHORTED TO GROUND
LEFT FRONT WHEEL SPEED SENSOR (-) CIRCUIT SHORTED TO GROUND
LEFT FRONT WHEEL SPEED SENSOR SHORTED TO GROUND
CAB - INTERNAL SHAORT OR OPEN
LEFT FRONT WHEEL SPEED SENSOR (+) CIRCUIT OPEN
LEFT FRONT WHEEL SPEED SENSOR (-) CIRCUIT OPEN
LEFT FRONT WHEEL SPEED SENSOR (+) CIRCUIT SHORTED TO VOLTAGE
LEFT FRONT WHEEL SPEED SENSOR (-) CIRCUIT SHORTED TO VOLTAGE
LEFT FRONT WHEEL SPEED SENSOR CIRCUITS SHORT TOGETHER
LEFT FRONT WHEEL SPEED SENSOR RESISTANCE OUT OF SPECIFICATION