300Tdi Discovery
INTRODUCTION
11
INFORMATION
CROSS REFERENCE OF EMISSION SYSTEM
TERMINOLOGY
NEW TERM
(ACRONYM)
Accelerator pedal
(AP)
.................................................
Air cleaner
(ACL)
..........................................................
Air conditioning
(AC)
....................................................
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 coolant temperature sensor
(ECTS)
................
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)
.......................................
Inertia fuel shutoff
(IFS)
................................................
Inertia fuel shutoff switch
(IFSS)
..................................
Intake air temperature
(IAT)
.........................................
Malfunction indicator lamp
(MIL)
..................................
Manifold vacuum zone
(MVZ)
......................................
Mass air flow sensor
(MAFS)
.......................................
Multiport fuel injection
(MFI)
........................................
On board diagnostic
(OBD)
..........................................
Open loop
(OL)
............................................................
Park/neutral position
(PNP)
.........................................
Park/neutral position switch
(PNPS)
............................
Programmable read only memory
(PROM)
..................
Relay module
(RM)
......................................................
Service reminder indicator
(SRI)
..................................
Solid state relay module
(SSRM)
.................................
Three way catalytic converter
(TWC)
..........................
Throttle body
(TB)
........................................................
Throttle position sensor
(TPS)
......................................
Torque converter clutch
(TCC)
....................................
Transmission range
(TR)
..............................................
Transmission range selector
(TRS)
.............................
Vehicle speed sensor
(VSS)
........................................
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
(-)
........................................................
Inertia switch
(-)
...........................................................
Inertia switch
(-)
...........................................................
Intake temperature/ambient temperature
(-)
................
EFI warning lamp
(-)
....................................................
Manifold depression, vacuum
(-)
.................................
Air flow meter
(-)
..........................................................
Electronic fuel injection
(EFI)
.......................................
Fault code display unit
(-)
............................................
Open loop
(-)
...............................................................
Park or neutral
(-)
.........................................................
Start inhibit switch
(-)
...................................................
Chip, PROM
(PROM)
...................................................
Relay
(-)
.......................................................................
Check engine light
(-)
...................................................
Control unit
(-)
..............................................................
Catalyst, catalytic converter
(CAT)
..............................
Throttle housing
(-)
......................................................
Throttle potentiometer
(-)
.............................................
Direct drive clutch
(DDC)
..............................................
Transmission gear
(-)
...................................................
Shift lever, shifter
(-)
....................................................
Road speed transducer
(-)
...........................................
Full throttle, wide open throttle
(WOT)
.........................