SAE J1930 Terminology List
WARNING: This page is about a different car, the 2013 Nissan Armada. However, it is still accessible from the selected car via links, so may be relevant.
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.
| 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 | DLC for CONSULT | Diagnostic connector for CONSULT | ||
| 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 | ||
| 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 range switch | (1) | Park/neutral position switch Inhibitor switch Neutral position switch |
||
| 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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