Possible causes
– ABS Wheel Sensor not installed currently
– ABS Wheel Sensor rotor or encoder damaged
– Faulty ABS Wheel Sensor
– ABS Wheel Sensor harness is open or shorted
– ABS Wheel Sensor circuit poor electrical connection
– Faulty ABS Control Unit
– ABS Wheel Sensor rotor or encoder damaged
– Faulty ABS Wheel Sensor
– ABS Wheel Sensor harness is open or shorted
– ABS Wheel Sensor circuit poor electrical connection
– Faulty ABS Control Unit
Tech description
There is a factory service bulletin for the all Infiniti models to help diagnose the C1103 code:
2007-2013 All Infiniti Models:
2007-2013 All Infiniti Models Factory Service Bulletin OBDII Code C1103
When is the obd code mean?
Circuit of front Right wheel sensor is open, shorted or sensor voltage is unusual
Symptoms
– ABS Warning Light ON
C1103 INFINITI OBD Code Description
When the sensor rotor rotates, the magnetic field changes. It converts the magnetic field changes to current signals (rectangular wave) and transmits them to the ABS actuator and electric unit (control unit).