Computerized Engine Controls (HFM-SFI System): Notes
The Hot Film Engine Management Sequential Fuel Injection (HFM-SFI) system consists of Anti-Lock Brake System/Acceleration Slip Regulation (ABS/ASR) control module, adjustable camshaft timing solenoid, air injection pump electromagnetic clutch, camshaft position sensor, crankshaft position sensor, cruise control/idle speed control actuator (without ASR), cruise control/idle speed control module (without ASR), diagnostic module (California only), EGR switchover valve, electronic accelerator actuator (with ASR), electronic accelerator control module (with ASR), engine coolant temperature sensor, fuel injectors, fuel pump relay module, heated oxygen sensor, hot film mass airflow sensor, ignition coil, intake air temperature sensor, knock sensors, overvoltage protection relay, purge switchover valve, resonance intake manifold switchover valve, secondary air injection pump switchover valve, transmission overload protection switch, and upshift delay switchover valve. See Fig 1 -9.