5. FUEL INJECTION SYSTEM MXU 500EXi/MXU500i Blinks Failure Fault description Priority Fault management Codes 1. Check if the lamp of CELP is broken. 2. Check if wires of CELP is broken. 18 P0650 CELP electric circuit 3 malfunction 1. Check if the connector of sensor is loosen. 21 P0105 Atmospheric Pressure 2 2. Check if ECU pin is broken. Sensor/Circuit 3. Check if voltage of sensor is fit in specification. Malfunction Roll sensor or electric 1. Check if the sensor installation direction is correct. 2. Check if voltage of sensor is fit in specification. 22 circuit malfunction 3. Check if ECU pin is broken. P0110 2 5-14