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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE> 13A-586 . CIRCUIT OPERATION • The EGR valve power is supplied from the MFI relay (terminal No. 4). • The PCM (terminals No. 124, No. 130, No. 136, No. 142) drives the stepper motor by sequentially . TECHNICAL DESCRIPTION • To judge if there is open circuit in the EGR valve (stepper motor) drive circuit, PCM measure the . DESCRIPTIONS OF MONITOR METHODS Off-surge does not occur after stepper motor is oper- ated on to off. . MONITOR EXECUTION Continuous . MONITOR EXECUTION CONDITIONS Other Monitor (There is no temporary DTC stored in memory for the item monitored below) • EGR stepper motor monitor Sensor (The sensor below is determined to be normal) • Mass airflow sensor • Engine coolant temperature sensor • Intake air temperature sensor • Barometric pressure sensor • Throttle position sensor • Accelerator pedal position sensor • Manifold absolute pressure sensor . AK303865 AK303865AB CONNECTOR: B-105 B-105 (GR) EXHAUST GAS AK303059 CONNECTOR: B-23 PCM AB AIR CLEANER B-23 AK303803AB CONNECTOR: B-17X MFI RELAY B-17X |