SAE J1930 Terminology List
All emission related terms used in this publication in accordance with SAE J1930 are listed. Accordingly, new terms, new acronyms/abbreviations and old terms are listed in the following chart.
SAE J1930 TERMINOLOGY LIST
| NEW TERM | NEW ACRONYM / ABBREVIATION | OLD TERM | ||
|---|---|---|---|---|
| Air cleaner | ACL | Air cleaner | ||
| Barometric pressure | BARO | (1) | ||
| Barometric pressure sensor-BCDD | BAROS-BCDD | BCDD | ||
| Camshaft position | CMP | (1) | ||
| Camshaft position sensor | CMPS | Crank angle sensor | ||
| Canister | (1) | Canister | ||
| Carburetor | CARB | Carburetor | ||
| Charge air cooler | CAC | Intercooler | ||
| Closed loop | CL | Closed loop | ||
| Closed throttle position switch | CTP switch | Idle switch | ||
| Clutch pedal position switch | CPP switch | Clutch switch | ||
| Continuous fuel injection system | CFI system | (1) | ||
| Continuous trap oxidizer system | CTOX system | (1) | ||
| Crankshaft position | CKP | (1) | ||
| Crankshaft position sensor | CKPS | (1) | ||
| Data link connector | DLC | (1) | ||
| Data link connector for CONSULT-II | DLC for CONSULT-II | Diagnostic connector for CONSULT-II | ||
| Diagnostic test mode | DTM | Diagnostic mode | ||
| Diagnostic test mode selector | DTM selector | Diagnostic mode selector | ||
| Diagnostic test mode I | DTM I | Mode I | ||
| Diagnostic test mode II | DTM II | Mode II | ||
| Diagnostic trouble code | DTC | Malfunction code | ||
| Direct fuel injection system | DFI system | (1) | ||
| Distributor ignition system | DI system | Ignition timing control | ||
| Early fuel evaporation-mixture heater | EFE-mixture heater | Mixture heater | ||
| Early fuel evaporation system | EFE system | Mixture heater control | ||
| Electrically erasable programmable read only memory | EEPROM | (1) | ||
| Electronic ignition system | EI system | Ignition timing control | ||
| Engine control | EC | (1) | ||
| Engine control module | ECM | ECCS control unit | ||
| Engine coolant temperature | ECT | Engine temperature | ||
| Engine coolant temperature sensor | ECTS | Engine temperature sensor | ||
| Engine modification | EM | (1) | ||
| Engine speed | RPM | Engine speed | ||
| Erasable programmable read only memory | EPROM | (1) | ||
| Evaporative emission canister | EVAP canister | Canister | ||
| Evaporative emission system | EVAP system | Canister control solenoid valve | ||
| Exhaust gas recirculation valve | EGR valve | EGR valve | ||
| Exhaust gas recirculation control-BPT valve | EGRC-BPT valve | BPT valve | ||
| Exhaust gas recirculation control-solenoid valve | EGRC-solenoid valve | EGR control solenoid valve | ||
| Exhaust gas recirculation temperature sensor | EGRT sensor | Exhaust gas temperature sensor | ||
| EGR temperature sensor | ||||
| Flash electrically erasable programmable read only memory | FEEPROM | (1) | ||
| Flash erasable programmable read only memory | FEPROM | (1) | ||
| Flexible fuel sensor | FFS | (1) | ||
| Flexible fuel system | FF system | (1) | ||
| Fuel pressure regulator | (1) | Pressure regulator | ||
| Fuel pressure regulator control solenoid valve | (1) | PRVR control solenoid valve | ||
| Fuel trim | FT | (1) | ||
| Heated Oxygen sensor | HO2S | Exhaust gas sensor | ||
| Idle air control system | IAC system | Idle speed control | ||
| Idle air control valve-air regulator | IACV-air regulator | Air regulator | ||
| Idle air control valve-auxiliary air control valve | IACV-AAC valve | Auxiliary air control (AAC) valve | ||
| Idle air control valve-FICD solenoid valve | IACV-FICD solenoid valve | FICD solenoid valve | ||
| Idle air control valve-idle up control solenoid valve | IACV-idle up control solenoid valve | Idle up control solenoid valve | ||
| Idle speed control-FI pot | ISC-FI pot | FI pot | ||
| Idle speed control system | ISC system | (1) | ||
| Ignition control | IC | (1) | ||
| Ignition control module | ICM | (1) | ||
| Indirect fuel injection system | IFI system | (1) | ||
| Intake air | IA | Air | ||
| Intake air temperature sensor | IAT sensor | Air temperature sensor | ||
| Knock | (1) | Detonation | ||
| Knock sensor | KS | Detonation sensor | ||
| Malfunction indicator lamp | MIL | Check engine light | ||
| Manifold absolute pressure | MAP | (1) | ||
| Manifold absolute pressure sensor | MAPS | (1) | ||
| Manifold differential pressure | MDP | (1) | ||
| Manifold differential pressure sensor | MDPS | (1) | ||
| Manifold surface temperature | MST | (1) | ||
| Manifold surface temperature sensor | MSTS | (1) | ||
| Manifold vacuum zone | MVZ | (1) | ||
| Manifold vacuum zone sensor | MVZS | (1) | ||
| Mass air flow sensor | MAFS | Air flow meter | ||
| Mixture control solenoid valve | MC solenoid valve | Air-fuel ratio control solenoid valve | ||
| Multiport fuel injection System | MFI system | Fuel injection control | ||
| Nonvolatile random access memory | NVRAM | (1) | ||
| On board diagnostic system | OBD system | Self-diagnosis | ||
| Open loop | OL | Open loop | ||
| Oxidation catalyst | OC | Catalyst | ||
| Oxidation catalytic converter system | OC system | (1) | ||
| Oxygen sensor | O2S | Exhaust gas sensor | ||
| Park position switch | (1) | Park switch | ||
| Park/neutral position switch | PNP switch | Park/neutral switch Inhibitor switch Neutral position switch |
||
| Periodic trap oxidizer system | PTOX system | (1) | ||
| Positive crankcase ventilation | PCV | Positive crankcase ventilation | ||
| Positive crankcase ventilation valve | PCV valve | PCV valve | ||
| Powertrain control module | PCM | (1) | ||
| Programmable read only memory | PROM | (1) | ||
| Pulsed secondary air injection control solenoid valve | PAIRC solenoid valve | AIV control solenoid valve | ||
| Pulsed secondary air injection system | PAIR system | Air induction valve (AIV) control | ||
| Pulsed secondary air injection valve | PAIR valve | Air induction valve | ||
| Random access memory | RAM | (1) | ||
| Read only memory | ROM | (1) | ||
| Scan tool | ST | (1) | ||
| Secondary air injection pump | AIR pump | (1) | ||
| Secondary air injection system | AIR system | (1) | ||
| Sequential multiport fuel injection system | SFI system | Sequential fuel injection | ||
| Service reminder indicator | SRI | (1) | ||
| Simultaneous multiport fuel injection system | (1) | Simultaneous fuel injection | ||
| Smoke puff limiter system | SPL system | (1) | ||
| Supercharger | SC | (1) | ||
| Supercharger bypass | SCB | (1) | ||
| System readiness test | SRT | (1) | ||
| Thermal vacuum valve | TVV | Thermal vacuum valve | ||
| Three way catalyst | TWC | Catalyst | ||
| Three way catalytic converter system | TWC system | (1) | ||
| Three way + oxidation catalyst | TWC + OC | Catalyst | ||
| Three way + oxidation catalytic converter system | TWC + OC system | (1) | ||
| Throttle body | TB | Throttle chamber SPI body | ||
| Throttle body fuel injection system | TBI system | Fuel injection control | ||
| Throttle position | TP | Throttle position | ||
| Throttle position sensor | TPS Throttle | sensor | ||
| Throttle position switch | TP switch | Throttle switch | ||
| Torque converter clutch solenoid valve | TCC solenoid valve | Lock up cancel solenoid Lock up solenoid |
||
| Transmission control module | TCM | A/T control unit | ||
| Turbocharger | TC | Turbocharger | ||
| Vehicle speed sensor | VSS | Vehicle speed sensor | ||
| Volume air flow sensor | VAFS | Air flow meter | ||
| Warm up oxidation catalyst | WU-OC | Catalyst | ||
| Warm up oxidation catalytic converter system | WU-OC system | (1) | ||
| Warm up three way catalyst | WU-TWC | Catalyst | ||
| Warm up three way catalytic converter system | WU-TWC system | (1) | ||
| Wide open throttle position switch | WOTP switch | Full switch | ||
|
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