Cross reference of emission system terminology
- Make
- Land Rover
- Model
- Defender 90 Workshop Manual (NAS)
- Section
- Information › Cross reference of emission system terminology
IntroductionCross reference of emission system terminology
CROSS REFERENCE OF EMISSION SYSTEM TERMINOLOGY
NEW TERM (ACRONYM) OLD TERM
| Accelerator pedal | (AP) Throttle pedal .......................................................... |
| Air cleaner | (ACL) Air cleaner ............................................................... |
| Air conditioning | (AC) Air conditioning .................................................... |
| Battery positive voltage | (B+) Battery plus, bat +, bat feed ................................. |
| Closed loop | (CL) Closed loop ............................................................. |
| Closed throttle position | (CTP) Closed throttle, idle position .................................... |
| Canister purge valve | (CANPV) Charcoal canister purge valve ................................. |
| Data link connector | (DLC) Serial link ................................................................ |
| Diagnostic trouble code | (DTC) Fault code ............................................................... |
| Distributor ignition | (DI) Electronic ignition .................................................... |
| Engine control module | (ECM) Electronic control unit ........................................ |
| Engine coolant level | (ECL) Coolant level ........................................................... |
| Engine coolant temperature | (ECT) Coolant temperature ......................................... |
| Engine coolant temperature sensor | (ECTS) Coolant temperature thermistor .............................. |
| Engine speed | (RPM) Engine speed ................................................ |
| Evaporative emission system | (EVAP) Evaporative loss system ................................... |
| Engine fuel temperature sensor | (EFTS) Fuel temperature thermistor .................................... |
| 4th gear, 3rd gear etc | (4GR, 3GR) Fourth gear, 3rd gear .............................................. |
| Fuel pump | (FP) Fuel pump ............................................................... |
| Fan control module | (FCM) Condenser fan timer ................................................ |
| Generator | (GEN) Alternator ................................................................ |
| Ground | (GND) Ground, earth ........................................................ |
| Heated oxygen sensor | (H02S) Lambda (02) sensor ................................................ |
| Idle air control | (IAC) Idle speed control ................................................ |
| Idle air control valve | (IACV) Stepper motor ......................................................... |
| Ignition control module | (ICM) Ignition module ........................................................ |
| Inertia fuel shutoff | (IFS) Inertia switch ........................................................... |
| Inertia fuel shutoff switch | (IFSS) Inertia switch ........................................................... |
| Intake air temperature | (IAT) Intake temperature/ambient temperature ................ |
| Malfunction indicator lamp | (MIL) EFI warning lamp .................................................... |
| Manifold vacuum zone | (MVZ) Manifold depression, vacuum ................................. |
| Mass air flow sensor | (MAFS) Air flow meter .......................................................... |
| Multiport fuel injection | (MFI) Electronic fuel injection ....................................... |
| On board diagnostic | (OBD) Fault code display unit ............................................ |
| Open loop | (OL) Open loop ............................................................... |
| Park/neutral position | (PNP) Park or neutral ......................................................... |
| Park/neutral position switch | (PNPS) Start inhibit switch ................................................... |
| Programmable read only memory | (PROM) Chip, PROM ................................................... |
| Relay module | (RM) Relay ....................................................................... |
| Service reminder indicator | (SRI) Check engine light ................................................... |
| Solid state relay module | (SSRM) Control unit .............................................................. |
| Three way catalytic converter | (TWC) Catalyst, catalytic converter .............................. |
| Throttle body | (TB) Throttle housing ...................................................... |
| Throttle position sensor | (TPS) Throttle potentiometer ............................................. |
| Torque converter clutch | (TCC) Direct drive clutch .............................................. |
| Transmission range | (TR) Transmission gear ................................................... |
| Transmission range selector | (TRS) Shift lever, shifter .................................................... |
| Vehicle speed sensor | (VSS) Road speed transducer ........................................... |
| Wide open throttle | (WOT) Full throttle, wide open throttle ......................... |
(ACRONYM)
(-) (-) (AC) (B+) (-) (-) (-) (-) (-) (-) (ECU) (-) (temp) (-) (rev/min) (ELC) (-) (-) (-) (-) (-) (B-) (-) (ISC) (-) (-) (-) (-) (-) (-) (-) (-) (EFI) (-) (-) (-) (-) (PROM) (-) (-) (-) (CAT) (-) (-) (DDC) (-) (-) (-) (WOT)
Parts & tools for this job For Land Rover Defender
- TOOLTorque wrenchSearch: 3/8 inch torque wrench
- TOOLSocket setSearch: socket set metric
- BOOKHaynes manualSearch: Haynes manual Land Rover Defender
Links open Amazon search results in a new tab. As an Amazon Associate I earn from qualifying purchases.