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BRAKES (CAB)
Symptom List:
LEFT FRONT WHEEL SPEED SIGNAL FAILURE
LEFT REAR WHEEL SPEED SIGNAL FAILURE
RIGHT FRONT WHEEL SPEED SIGNAL FAILURE
RIGHT REAR WHEEL SPEED SIGNAL FAILURE
Test Note: All symptoms listed above are diagnosed using the same tests.
The title for the tests will be LEFT FRONT WHEEL SPEED
SIGNAL FAILURE.
When Monitored and Set Condition:
LEFT FRONT WHEEL SPEED SIGNAL FAILURE
When Monitored: Ignition On - Continuously
Set Condition: When the CAB detects the following on the wheel speed sensor signal
circuit: missing signal, continuously low wheel speed, changes erratically, periodic drop out
of a wheel speed, and too long of pressure reduction during an ABS event.
LEFT REAR WHEEL SPEED SIGNAL FAILURE
When Monitored: Ignition On - Continuously
Set Condition: When the CAB detects the following on the wheel speed sensor signal
circuit: missing signal, continuously low wheel speed, changes erratically, periodic drop out
of a wheel speed, and too long of pressure reduction during an ABS event.
RIGHT FRONT WHEEL SPEED SIGNAL FAILURE
When Monitored: Ignition On - Continuously
Set Condition: When the CAB detects the following on the wheel speed sensor signal
circuit: missing signal, continuously low wheel speed, changes erratically, periodic drop out
of a wheel speed, and too long of pressure reduction during an ABS event.
RIGHT REAR WHEEL SPEED SIGNAL FAILURE
When Monitored: Ignition On - Continuously
Set Condition: When the CAB detects the following on the wheel speed sensor signal
circuit: missing signal, continuously low wheel speed, changes erratically, periodic drop out
of a wheel speed, and too long of pressure reduction during an ABS event.
WHEEL SPEED SIGNAL FAILURE DTC PRESENT
AFFECTED WHEEL SPEED SENSOR SIGNAL INOPERATIVE
AFFECTED WHEEL SPEED SENSOR CONNECTOR DAMAGED
AFFECTED WHEEL SPEED SENSOR TONE WHEEL DAMAGED
POSSIBLE CAUSES
22
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