List of automotive abbreviations which may be used in shop manual.
ABS |
Anti-lock Brake System |
A/C |
Air Conditioning, Air Conditioner |
ACL |
Air Cleaner |
A/F |
Air Fuel Ratio |
ALR |
Automatic Locking Retractor |
ALT |
Alternator |
AMP |
Ampere(s) |
ANT |
Antenna |
API |
American Petroleum Institute |
APPROX. |
Approximately |
ASSY |
Assembly |
A/T |
Automatic Transmission |
ATDC |
After Top Dead Centre |
ATF |
Automatic Transmission Fluid |
ATT |
Attachment |
ATTS |
Active Torque Transfer System |
AUTO |
Automatic |
AUX |
Auxiliary |
BARO |
Barometric |
BAT |
Battery |
BDC |
Bottom Dead Centre |
BTDC |
Before Top Dead Centre |
CARB |
Carburettor |
CAT |
Catalytic Converter |
or CATA |
|
CHG |
Charge |
CKF |
Crankshaft Speed Fluctuation |
CKP |
Crankshaft Position |
CO |
Carbon Monoxide |
COMP |
Complete |
CPB |
Clutch Pressure Back up |
CPC |
Clutch Pressure Control |
CPU |
Central Processing Unit |
CVT |
Continuously Variable Transmission |
CYL |
Cylinder |
CYP |
Cylinder Position |
DI |
Distributor Ignition |
DIFF |
Differential |
DLC |
Data Link Connector |
DOHC |
Double Overhead Camshaft |
DPI |
Dual Point Injection |
DTC |
Diagnostic Trouble Code |
EBD |
Electronic Brake Distribution |
ECM |
Engine Control Module |
ECT |
Engine Coolant Temperature |
EGR |
Exhaust Gas Recirculation |
ELD |
Electrical Load Detector |
| |
EPR |
Evaporator Pressure Regulator |
EPS |
Electrical Power Steering |
EVAP |
Evaporative |
EX |
Exhaust |
F |
Front |
FIA |
Fuel Injection Air |
FL |
Front Left |
FP |
Fuel Pump |
FR |
Front Right |
FSR |
Fail Safe Relay |
FWD |
Front Wheel Drive |
GAL |
Gallon |
GND |
Ground |
GPS |
Global Positioning System |
H/B |
Hatchback |
HC |
Hydrocarbons |
HID |
High Intensity Discharge |
HO2S |
Heated Oxygen Sensor |
IAB |
Intake Air Bypass |
IAC |
Idle Air Control |
IACV |
Idle Air Control Valve |
IAR |
Intake Air Resonator |
IAT |
Intake Air Temperature |
ICM |
Ignition Control Module |
ID |
Identification |
ID or I.D. |
Inside Diameter |
IG or IGN |
Ignition |
IMA |
Idle Mixture Adjustment |
|
Integrated Motor Assisted |
IMMOBI. |
Immobilizer (Immobiliser) |
IN |
Intake |
INJ |
Injection |
INT |
Intermittent |
KS |
Knock Sensor |
L |
Left |
L/C |
Lock-up Clutch |
LCD |
Liquid Crystal Display |
LED |
Light Emitting Diode |
LEV |
Low Emission Vehicle |
LF |
Left Front |
LH |
Left Handle |
LHD |
Left Handle Drive |
LR |
Left Rear |
LSD |
Limited Slip Differential |
L-4 |
In-line Four Cylinder (engine) |
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