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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE> 13A-135 . CIRCUIT OPERATION • The mass airflow sensor power is supplied from the MFI relay (terminal No. 2), and the ground is • A voltage that is according to the mass airflow rate is sent to the ECM (terminal No. 87) from the . TECHNICAL DESCRIPTION • While the engine is running, the mass airflow sensor outputs voltage which corresponds to the • The ECM 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 . AK704096 AB Air cleaner Mass airflow sensor Connector: A-07 A-07 (GR) AK704088 MFI relay AB Connector: A-33X A-33X AK704097AB Connector: B-11 B-11 (GR) |