Left Front Sensor Circuit Failure

Test 17-21:

Test 22-25:

Test 26-29:

Test 30-33:

Symptom:
LEFT FRONT SENSOR CIRCUIT FAILURE

When Monitored and Set Condition:
LEFT FRONT SENSOR CIRCUIT FAILURE

When Monitored: Ignition on. The CAB monitors the wheel speed circuit every 7 milliseconds (ms).

Set Condition: If the CAB detects an open or shorted wheel speed sensor circuit, the Diagnostic Trouble Code (DTC) will set.

POSSIBLE CAUSES
LEFT FRONT WHEEL SPEED SENSOR 12 VOLT SUPPLY CIRCUIT OPEN
LEFT FRONT WHEEL SPEED SENSOR SIGNAL
LEFT FRONT WHEEL SPEED SENSOR SIGNAL CIRCUIT OPEN
LEFT FRONT WHEEL SPEED SENSOR 12 VOLT SUPPLY CIRCUIT SHORTED TO GROUND
LEFT FRONT WHEEL SPEED SENSOR DEFECTIVE - SHORTED TO GROUND
LEFT FRONT WHEEL SPEED SENSOR OR CONNECTOR DAMAGED
CAB DEFECTIVE - LEFT FRONT WHEEL SPEED SENSOR 12 VOLT SUPPLY OPEN
CAB DEFECTIVE - LEFT FRONT WHEEL SPEED SENSOR SIGNAL CIRCUIT OPEN
CAB DEFECTIVE - LEFT FRONT WHEEL SPEED SENSOR 12 VOLT SUPPLY SHORTED TO
GROUND
CAB DEFECTIVE - LEFT FRONT WHEEL SPEED SIGNAL CIRCUIT SHORTED TO GROUND
CAB DEFECTIVE - UNABLE TO READ LEFT FRONT WHEEL SPEED SENSOR SIGNAL
LEFT FRONT WHEEL SPEED SENSOR SIGNAL CIRCUIT SHORTED TO GROUND
LEFT FRONT WHEEL SPEED SENSOR CIRCUITS SHORTED TOGETHER
LEFT FRONT WHEEL SPEED SENSOR SIGNAL SHORTED TO B(+)