OLD TERM

01

INTRODUCTION

10

INFORMATION

CROSS REFERENCE OF EMISSION SYSTEM
TERMINOLOGY

NEW TERM

(ACRONYM)

Accelerator pedal

(AP)

.................................................

Air cleaner

(ACL)

..........................................................

Air conditioning

(A/C)

...................................................

Battery positive voltage

(B+)

........................................

Closed loop

(CL)

..........................................................

Closed throttle position

(CTP)

......................................

Canister purge valve

(CANPV)

....................................

Data link connector

(DLC)

...........................................

Diagnostic trouble code

(DTC)

.....................................

Distributor ignition

(DI)

.................................................

Engine control module

(ECM)

......................................

Engine coolant level

(ECL)

...........................................

Engine coolant temperature

(ECT)

..............................

Engine speed

(RPM)

....................................................

Evaporative emission system

(EVAP)

..........................

Engine fuel temperature sensor

(EFTS)

......................

4th gear, 3rd gear etc.

(4GR, 3GR)

..............................

Fuel pump

(FP)

............................................................

Fan control module

(FCM)

...........................................

Generator

(GEN)

..........................................................

Ground

(GND)

..............................................................

Heated oxygen sensor

(H02S)

....................................

Idle air control

(IAC)

......................................................

Idle air control valve

(IACV)

.........................................

Ignition control module

(ICM)

.......................................

Intake air temperature

(IAT)

.........................................

Manifold vacuum zone

(MVZ)

......................................

Mass air flow sensor

(MAF)

.........................................

Open loop

(OL)

............................................................

Relay module

(RM)

......................................................

Solid state relay module

(SSRM)

.................................

Three way catalytic converter

(TWC)

..........................

Throttle body

(TB)

........................................................

Throttle position sensor

(TP)

........................................

Transmission range

(TR)

..............................................

Wide open throttle

(WOT)

............................................

OLD TERM

(ACRONYM)

Throttle pedal

(-)

..........................................................

Air cleaner

(-)

...............................................................

Air conditioning

(AC)

....................................................

Battery plus, bat +, bat feed

(B+)

.................................

Closed loop

(-)

.............................................................

Closed throttle, idle position

(-)

....................................

Charcoal canister purge valve

(-)

.................................

Serial link

(-)

................................................................

Fault code

(-)

...............................................................

Electronic ignition

(-)

....................................................

Electronic control unit

(ECU)

........................................

Coolant level

(-)

...........................................................

Coolant temperature

(temp)

.........................................

Coolant temperature thermistor

(-)

..............................

Engine speed

(rev/min)

................................................

Evaporative loss system

(ELC)

...................................

Fuel temperature thermistor

(-)

....................................

Fourth gear, 3rd gear

(-)

..............................................

Fuel pump

(-)

...............................................................

Condenser fan timer

(-)

................................................

Alternator

(-)

................................................................

Ground, earth

(B-)

........................................................

Lambda (02) sensor

(-)

................................................

Idle speed control

(ISC)

................................................

Stepper motor

(-)

.........................................................

Ignition module

(-)

........................................................

Intake temperature/ambient temperature

(-)

................

Manifold depression, vacuum

(-)

.................................

Air flow meter

(-)

..........................................................

Fault code display unit

(-)

............................................

Open loop

(-)

...............................................................

Relay

(-)

.......................................................................

Control unit

(-)

..............................................................

Catalyst, catalytic converter

(CAT)

..............................

Throttle housing

(-)

......................................................

Transmission gear

(-)

...................................................

Full throttle, wide open throttle

(WOT)

.........................