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Symptom: INCORRECT TONE WHEEL When Monitored and Set Condition: INCORRECT TONE WHEEL When Monitored: Ignition On - Continuously Set Condition: When continuous ABS control is active for one minute on one or more wheels OR interference on one or more wheels OR deviation of two wheel speeds at either POSSIBLE CAUSES INTERMITTENT INCORRECT TONE WHEEL DTC INCORRECT TIRES ON VEHICLE TIRE CIRCUMFERENCES NOT MATCHING WHEEL SPEED SENSOR CIRCUIT SHORT TO VOLTAGE INCORRECT TONE WHEEL WHEEL SPEED SENSOR CIRCUIT SHORT TO GROUND DAMAGED WHEEL BEARING WHEEL SPEED SENSOR CIRCUIT OPEN DAMAGED BRAKE LININGS/COMPONENTS WHEEL SPEED SENSOR CIRCUITS SHORTED TOGETHER WHEEL SPEED SENSOR TEST ACTION APPLICABILITY 1 Turn the ignition on. t, read DTCs. With the DRBIII t, erase DTCs. Turn the ignition off. t, read DTCs. Does the DRBIII t display INCORRECT TONE WHEEL? All Yes → Go To 2 No → Go To 13 32 BRAKES (CAB) |