Toyota COMPUTER-CONTROLLED SYSTEM

ABBREVIATIONS AND ECU TERMINAL SYMBOLS - Abbreviations
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ABBREVIATIONS AND ECU TERMINAL SYMBOL S
ABBREVIATION S
ABS Anti-Lock Brake System
ABV Air Bypass Valv e
AC Alternating Current
A/C Air Conditione r
ACIS Acoustic Control Induction System
ACV Air Control Valv e
Al Air Injection
AS Air Suctio n
ASV Air Switching Valv e
A/T Automatic Transmission
BTDC Before Top Dead Center
CA Crankshaft Angl e
CALIF Californi a
CCS Cruise Control System
CO Carbon Monoxid e
DIS Direct Ignition System
DLI Distributorless Ignition
EC European Countrie s
ECT Electronically-Controlled Transmission
ECU Electronic Control Uni t
EFI Electronic Fuel Injection
EGR Exhaust Gas Recirculatio n
EHPS Electro-Hydraulic Power Steering
ESA Electronic Spark Advanc e
FED . Federal
GEN . General Countrie s
HAC High-Altitude Compensation
HC Hydrocarbo n
HIC Hybrid Integrated Circui t
IIA Integrated Ignition Assembly
ISC Idle Speed Contro l
LED Light Emitting Diode
LS Lean Mixture Senso r
MRE Magnetic
Resistance Element
M/T Manual
Transmissio n
NOx Oxides of Nitrogen
OC Oxidation Catalyst
OD Overdrive
02 Oxygen
PS Power Steering
SCV Swirl Control Valve
SST Special Service Tool
SW Switc h
TCCS Toyota Computer-Controlled System
TDC Top Dead Cente r
TDCL *1 Toyota Diagnostic Communication
Link or Total Diagnostic
Communication Lin k
TEMS Toyota Electronically-Modulated
Suspension
Tr Transisto r
TRC*2 Traction Contro l
T-VIS Toyota-Variable Induction System
TWC Three-Way Catalys t
U .S
. United State s
VSV Vacuum Switching Valve
w/ Wit h
w/o Withou t
4WD 4-Wheel-Driv e
In vehicles sold at Lexus dealers in the U .S . and
Canada, this is called the "Total Diagnostic
Communication Link" . In Toyotas sold in other
countries, and in Toyotas sold at Toyota dealers
in the U .S . and Canada, it is called the "Toyota
Diagnostic Communication Link" . In this
manual, it is called the "Toyota Diagnostic
Communication Link"
.
*2 In
the U .S . and Canada, this is abbreviated to
TRAC .
/-- iw 1
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Abbreviations in accordance with SAE terms
are used for vehicles sold in the U
.S .A . and
Canada . Refer to the Repair Manual for dif-
ferences between SAE terms and Toyota
terms .
Example :
ECM Engine Control Module
(= Engine ECU
)
ECT Engine Coolant Temperature
(= THW)
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