Toyota COMPUTER-CONTROLLED SYSTEM

ABBREVIATIONS AND ECU TERMINAL SYMBOLS - ECU Terminal Symbol s
ECU TERMINAL SYMBOL S
SYMBOL MEANING
ABS Anti-Lock Brake Syste m
ACC1 Acceleration Signal No . 1(from
Thro tt le Position Sensor)
ACC2 Acceleration Signal No . 2 (fro m
Throttle Position Sensor)
A/C Air Conditione r
ACMG Air Conditioner Magnetic Clutch
ACT Air Conditioner Cut-Of f
Al Air Injection
AS Air Suctio n
A/D Auto Drive (Cruise Control System)
+B Ba tt e r y
+B1 Ba tt e ry No . 1
BATT Ba tt e r y
BF Ba tt e ry Fail Safe
BRK Brake
DFG Defogge r
E01 Ea
rt
h No
. 01 (Ground)
E02 Ea rt h No . 02 (Ground)
E1 Ea
rt
h No . 1 (Ground)
E2 Ea
rt
h No
. 2 (Ground )
ECT Electronically-Controlled Transmission
ELS Electrical Load Signa l
EGR Exhaust Gas Recirculation
FC Fuel Pump Contro l
FP Fuel Pump Control Relay
FPU Fuel Pressure-U p
FS Fail-Safe Rela y
G Group (Crankshaft Angle Signal )
G1 Group No .
1 (Crankshaft
Angle Signal)
G2 Group No .
2 (Crankshaft
Angle Signal)
G- Group Minus (-
)
HAC High-Altitude Compensatio n
HT Heater (for Oxygen Sensor or Lean
Mixture Sensor )
IDL Idle Switch (in Throttle Position
Sensor )
IGDA Ignition Distribution Signal A
IGDB Ignition Distribution Signal B
IGF Ignition Failure (Confirmation) Signal
IGSW Ignition Switc h
IGT Ignition Timing Signal
SYMBOL MEANIN G
ISC1 Idle Speed Control Signal No . 1
ISC2 Idle Speed Control Signal No
. 2
ISC3 Idle Speed Control Signal No . 3
ISC4 Idle Speed Control Signal No . 4
KD Kick-Dow n
KNK Knock Sensor
KS Karman Signa l
L7 Throttle Valve Opening Signal No
. 1
L2 Throttle Valve Opening Signal No
. 2
L3 Throttle Valve Opening Signal No . 3
LP Lam p
LS Lean Mixture Sensor
LSW Lean Burn Switch
M-REL EFI Main Rela y
N/C Neutral Clutch Switc h
NE Number of Engine Revolutions
Signa l
NE- Number of Engine Revolutions
Signal Minus (- )
NEO Number of Engine Revolutions
Signal Outpu t
No .10 (for Injectors)
No .20 (for Injectors )
NSW Neutral Sta rt Switch
OX Oxygen Senso r
OX + Oxygen Sensor ~+
OIL Oil Pressur e
OD Overdrive
PS Power Steerin g
PSW Power Switch (in Throttle Position
Sensor )
PIM Pressure, Intake Manifol d
R-P Regular or Premium Gasoline Signal
RSC Rota ry Solenoid Valve Close d
RSO Rota
ry
Solenoid Valve Open
SCV Swirl Control Valv
e
SPD Vehicle Spee d
SP2 Vehicle Speed No . 2
SP2- Vehicle Speed No . 2 Minus (-)
STA Sta rt e r
STJ Cold Sta rt Injecto r
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