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22. FUEL INJECTION SYSTEM MXU 500i
Blinks Failure
Codes Fault description Priority Fault management
Throttle position sensor
1.Make sure if the connector of Throttle position
movement speed sensor is connected correctly.
5 P1122 problem 2.Check if the Throttle position sensor is adjusted.
2
6 P0560 Battery voltage 1 1. Check if the battery voltage is lower or higher.
malfunction 2.Check if the charge system is malfunction.
Inlet air temperature sensor or electric circuit
7 P0110 Intake air temperature 2 malfunction
circuit malfunction
1. Check if the connector of Idle air valve loosen.
2.Check if the resistance of valve is normal.
8 P0410 Idle air valve circuit 2
malfunction
Idle speed volume 1.Check if the ISC steps range over 65steps.
control range problem
9 P0505 3
1.Check if the connector of Injector is loosen.
2.Check if the ECU send signal to Injector.
10 P0251 Injector or electric 2 3.Check if the power source and resistance of Injector
circuit problem are malfunction.
22-12