Incorrect Tone Wheel

Test 1:

Symptom:
INCORRECT TONE WHEEL

When Monitored and Set Condition:
INCORRECT TONE WHEEL

When Monitored: 1. Ignition on. 2. Vehicle speed above 40 km/h (24 mph) on all our wheels for more than 2 minutes.

Set Condition: The CAB counts the number of pulses from the wheel speed sensors and compares the values. If the CAB determines that one or both of the front wheel speed sensor signals are significantly different then the rear speed signals, the Diagnostic Trouble Code (DTC) is set.

POSSIBLE CAUSES
INCORRECT TONE WHEEL