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                                                                                                                              IN-39
                                                 INTRODUCTION   -   TERMS
                                                                                                                              IN0CI-02


GLOSSARY OF SAE AND TOYOTA TERMS
This glossary lists all SAE-J1930 terms and abbreviations used in this manual in compliance with SAE rec-
ommendations, as well as their TOYOTA equivalents.
    SAE                                                                                           TOYOTA TERMS
                                          SAE TERMS
ABBREVIATIONS                                                                                   ( )--ABBREVIATIONS

A/C             Air Conditioning                                        Air Conditioner
ACL             Air Cleaner                                             Air Cleaner, A/CL
AIR             Secondary Air Injection                                 Air Injection (AI)
AP              Accelerator Pedal                                                                       -
B+              Battery Positive Voltage                                +B, Battery Voltage
BARO            Barometric Pressure                                     HAC
CAC             Charge Air Cooler                                       Intercooler
CARB            Carburetor                                              Carburetor
CFI             Continuous Fuel Injection                                                               -
CKP             Crankshaft Position                                     Crank Angle
CL              Closed Loop                                             Closed Loop
CMP             Camshaft Position                                       Cam Angle
CPP             Clutch Pedal Position                                                                   -
CTOX            Continuous Trap Oxidizer                                                                -
CTP             Closed Throttle Position                                LL ON, Idle ON
DFI             Direct Fuel Injection (Diesel)                          Direct Injection (DI)
DI              Distributor Ignition                                                                    -
DLC1            Data Link Connector 1                                   1: Check Connector
DLC2            Data Link Connector 2                                   2: Total Diagnosis Comunication Link (TDCL)
DLC3            Data Link Connector 3                                   3: OBD II Diagnostic Connector
DTC             Diagnostic Trouble Code                                 Diagnostic Code
DTM             Diagnostic Test Mode                                                                    -
ECL             Engine Control Level                                                                    -
ECM             Engine Control Module                                   Engine ECU (Electronic Control Unit)
ECT             Engine Coolant Temperature                              Coolant Temperature, Water Temperature (THW)
                                                                        Electrically Erasable Programmable Read Only Memory
EEPROM          Electrically Erasable Programmable Read Only Memory     (EEPROM),
                                                                        Erasable Programmable Read Only Memory (EPROM)
EFE             Early Fuel Evaporation                                  Cold Mixture Heater (CMH), Heat Control Valve (HCV)
EGR             Exhaust Gas Recirculation                               Exhaust Gas Recirculation (EGR)
EI              Electronic Ignition                                     TOYOTA Distributorless Ignition (TDI)
EM              Engine Modification                                     Engine Modification (EM)
EPROM           Erasable Programmable Read Only Memory                  Programmable Read Only Memory (PROM)
EVAP            Evaporative Emission                                    Evaporative Emission Control (EVAP)
FC              Fan Control                                                                             -
                Flash Electrically Erasable Programmable
FEEPROM                                                                                                 -
                Read Only Memory

FEPROM          Flash Erasable Programmable Read Only Memory                                            -
FF              Flexible Fuel                                                                           -
FP              Fuel Pump                                               Fuel Pump
GEN             Generator                                               Alternator
GND             Ground                                                  Ground (GND)
2002 ECHO (RM884U)

                                                                            Author :                   Date :                  39
IN-40
                                                  INTRODUCTION   -   TERMS


HO2S             Heated Oxygen Sensor                                    Heated Oxygen Sensor (HO2S)
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 (IDL)
IFS              Inertia Fuel-Shutoff                                                                      -
ISC              Idle Speed Control                                                                        -
KS               Knock Sensor                                            Knock Sensor
MAF              Mass Air Flow                                           Air Flow Meter
                                                                         Manifold Pressure
MAP              Manifold Absolute Pressure
                                                                         Intake Vacuum
                                                                         Electric Bleed Air Control Valve (EBCV)
MC               Mixture Control                                         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 Lamp
MST              Manifold Surface Temperature                                                              -
MVZ              Manifold Vacuum Zone                                                                      -
NVRAM            Non-V olatile Random Access Memory                                                        -
O2S              Oxygen Sensor                                           Oxygen Sensor, O2 Sensor (O2S)
OBD              On-Board Diagnostic                                     On-Board Diagnostic System (OBD)
OC               Oxidation Catalytic Converter                           Oxidation Catalyst Convert (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                                                                   -
                                                                         Diesel Particulate Filter (DPF)
PTOX             Periodic Trap Oxidizer
                                                                         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                                     E-ABV
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
                                                                         Single Point Injection
TBI              Throttle Body Fuel Injection
                                                                         Central Fuel Injection (Ci)

TC               Turbocharger                                            Turbocharger
TCC            Torque Converter Clutch                                   Torque Converter
2002 ECHO (RM884U)

                                                                             Author :                      Date :                40
                                                                                                                 IN-41
                                             INTRODUCTION   -   TERMS


TCM            Transmission Control Module                          Transmission ECU, ECT ECU
TP             Throttle Position                                    Throttle Position
TR             Transmission Range                                                                -
                                                                    Bimetallic Vacuum Switching Valve (BVSV)
TVV            Thermal Vacuum Valve
                                                                    Thermostatic Vacuum Switching Valve (TVSV)

                                                                    Three-W ay Catalytic (TWC)
TWC            Three-W ay Catalytic Converter                       Manifold Converter
                                                                    CCRO
TWC+OC         Three-W ay + Oxidation Catalytic Converter           CCR + CCo
VAF            Volume Air Flow                                      Air Flow Meter
VR             Voltage Regulator                                    Voltage Regulator
VSS            Vehicle Speed Sensor                                 Vehicle Speed Sensor
WOT            Wide Open Throttle                                   Full Throttle
WU-OC          Warm Up Oxidation Catalytic Converter                                             -
WU-TWC         Warm Up Three-Way Catalytic Converter                                             -
3GR            Third Gear                                                                        -
4GR            Fourth Gear                                                                       -




2002 ECHO (RM884U)

                                                                        Author :                 Date :          41



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