IN–40 INTRODUCTION – GLOSSARY OF SAE AND TOYOTA TERMS IAC Idle Air Control Idle Speed Control (ISC) IAT Intake Air Temperature Intake or Inlet Air Temperature ICM Ignition Control Module – IFI Indirect Fuel Injection Indirect Injection IFS Inertia Fuel–Shutoff – ISC Idle Speed Control – KS Knock Sensor Knock Sensor MAF Mass Air Flow Air Flow Meter MAP Manifold Absolute Pressure Manifold Pressure Intake Vacuum MC Mixture Control Electric Bleed Air Control Valve (EBCV) Mixture Control Valve (MCV) Electric Air Control Valve (EACV) MDP Manifold Differential Pressure – MFI Multiport Fuel Injection Electronic Fuel Injection (EFI) MIL Malfunction Indicator Lamp Check Engine Light MST Manifold Surface Temperature – MVZ Manifold Vacuum Zone – NVRAM Non–Volatile Random Access Memory – O2S Oxygen Sensor Oxygen Sensor, O2 Sensor (O2S) OBD On–Board Diagnostic On–Board Diagnostic (OBD) OC Oxidation Catalytic Converter Oxidation Catalyst Converter (OC), CCo OP Open Loop Open Loop PAIR Pulsed Secondary Air Injection Air Suction (AS) PCM Powertrain Control Module – PNP Park/Neutral Position – PROM Programmable Read Only Memory – PSP Power Steering Pressure – PTOX Periodic Trap Oxidizer Diesel Particulate Filter (DPF) Diesel Particulate Trap (DPT) RAM Random Access Memory Random Access Memory (RAM) RM Relay Module – ROM Read Only Memory Read Only Memory (ROM) RPM Engine Speed Engine Speed SC Supercharger Supercharger SCB Supercharger Bypass – SFI Sequential Multiport Fuel Injection Electronic Fuel Injection (EFI), Sequential Injection SPL Smoke Puff Limiter – SRI Service Reminder Indicator – SRT System Readiness Test – ST Scan Tool – TB Throttle Body Throttle Body TBI Throttle Body Fuel Injection Single Point Injection Central Fuel Injection (Ci) TC Turbocharger Turbocharger TCC Torque Converter Clutch Torque Converter TCM Transmission Control Module Transmission ECU (Electronic Control Unit) TP Throttle Position Throttle Position TR Transmission Range –