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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE> 13A-66 . CIRCUIT OPERATION • The mass airflow sensor power is supplied from the MFI relay (terminal No. 4), and the ground is • A voltage that is according to the mass airflow rate is sent to the PCM (terminal No. 108) from . TECHNICAL DESCRIPTION • While the engine is running, the mass airflow sensor outputs voltage which corresponds to the • The PCM checks whether the voltage output by the mass airflow sensor while the engine is run- . DESCRIPTIONS OF MONITOR METHODS Mass airflow sensor output voltage is out of specified range. . MONITOR EXECUTION Continuous . MONITOR EXECUTION CONDITIONS Other Monitor (There is no temporary DTC stored in memory for the item monitored below) • Not applicable Sensor (The sensor below is determined to be normal) • Not applicable . AK303802AB CONNECTOR: B-10 MASS AIRFLOW SENSOR B-10 (GR) AK303013 CONNECTORS: B-21, B-22 PCM AB AIR CLEANER B-22 (B) B-21 (B) AK303803AB CONNECTOR: B-17X MFI RELAY B-17X |