1995 TOYOTA SUPRA Service Repair Manual

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Page 1201 of 2543

TOYOTA SUPRA 1995 Service Repair Manual (a) Continuity Check with Ground
(1) Disconnect connectors (A) and (C) and measure the resistance between terminals 1 and 2 of connector
(A) and body ground.
In the case of Fig. 6,
Between terminal

Page 1202 of 2543

TOYOTA SUPRA 1995 Service Repair Manual Check and Replace ECU
First check the ECU ground circuit. If it is faulty, repair it. If it is nor-
mal, the ECU could be faulty, so replace the ECU with a known
good one and check if the symptoms app

Page 1203 of 2543

TOYOTA SUPRA 1995 Service Repair Manual VEHICLE LIFT AND SUPPORT LOCATIONS
IN±36± INTRODUCTIONVEHICLE LIFT AND SUPPORT LOCATIONS

Page 1204 of 2543

TOYOTA SUPRA 1995 Service Repair Manual ABBREVIATIONS USED IN THIS
MANUAL
ABS Anti±Lock Brake System
ALR Automatic Locking Retractor

ABBREVIATIONS USED IN THIS
MANUAL
ABS Anti±Lock Brake System
ALR Automatic Locking Retractor
APPROX. Approximately
A/T, ATM Automatic Transmission
AT F Automatic Transmission Fluid
BTDC Before Top Dead Center
CB Circuit Breaker
CD Compact Disc CRS Child Restraint System DOHC Double Over Head Cam
DP

Dash Pot
ECU Electronic Control Unit
ELR Emergency Locking Retractor
ESA Electronic Spark Advance
ETR Electronic Turning Radio
EX Exhaust
FIPG Formed in Place Gasket
FL Fusible Link
Fr Front H±Fuse High Current Fuse
IG
Ignition
IN Intake
JB Junction Block
LED Light Emitting Diode
LH Left±Hand
LSD Limited Slip Differential
Max. Maximum
MP Multipurpose
M/T Manual Transmission O/D Overdrive O/S Oversize
P & BV

Proportioning and By±pass Valve
PCV Positive Crankcase Ventilation
PPS Progressive Power Steering
PS Power Steering
± INTRODUCTIONABBREVIATIONS USED IN THIS MANUALIN±37

Page 1205 of 2543

TOYOTA SUPRA 1995 Service Repair Manual RH Right±Hand
SRS Supplemental Restraint System
SSM Specia

Page 1206 of 2543

TOYOTA SUPRA 1995 Service Repair Manual GLOSSARY OF SAE AND TOYOTA TERMS
This glossary lists all SAE±J1930 terms and abbreviations used in this manual in compliance with SAE
recommendations, as well as their Toyota equivalents.

GLOSSARY OF SAE AND TOYOTA TERMS
This glossary lists all SAE±J1930 terms and abbreviations used in this manual in compliance with SAE
recommendations, as well as their Toyota equivalents.

SAE ABBREVI±
ATIONS
SAE TERMS

TOYOTA TERMS
( ) ±± ABBREVIATIONS
A/C Air Conditioning Air Conditioner
ACL Air Cleaner Air Cleaner
AIRSecondary Air InjectionAir Injection (AI) AP Accelerator Pedal ± B+ Battery Positive Voltage +B, Battery Voltage BARO Barometric Pressure ±
CAC Charge Air Cooler Intercooler
CARB Carburetor Carburetor
CFI Continuous Fuel Injection ±
CKP Crankshaft Position Crank Angle
CLClosed LoopClosed Loop CMP Camshaft Position Cam Angle CPP Clutch Pedal Position ±
CTOX Continuous Trap Oxidizer ±
CTP Closed Throttle Position Idle ON (IDL ON)
DFI Direct Fuel Injection (Diesel) Direct Injection (DI)
DI Distributor Ignition ±

DLC1
DLC2
DLC3

Data Link Connector 1
Data Link Connector 2
Data Link Connector 3

1: Check Connector
2: Toyota Diagnosis Comunication Link (TDCL)
3: OBD II Diagnostic Connector
DTC Diagnostic Trouble Code Diagnostic Code
DTM Diagnostic Test Mode ±
ECL Engine Control Level ±
ECM Engine Control Module Engine ECU (Electronic Control Unit)
ECT Engine Coolant Temperature Coolant Temperature, Water Temperature
(THW)

EEPROM

Electrically Erasable Programmable Read Only
Memory

Electrically Erasable Programmable Read Only
Memory (EEPROM),
Erasable Programmable Read Only Memory
(EPROM)

EFE

Early Fuel Evaporation

Cold Mixture Heater (CMH), Heat Control Valve
(HCV)
EGRExhaust Gas RecirculationExhaust Gas Recirculation (EGR) EI Electronic Ignition Toyota Distributorless Ignition (TDI) EM Engine Modification Engine Modification (EM) EPROM Erasable Programmable Read Only Memory Programmable Read Only Memory (PROM)
EVAP Evaporative Emission Evaporative Emission Control (EVAP)
FC Fan Control ±
FEEPROM Flash Electrically Erasable Programmable
Read Only Memory ±

FEPROM

Flash Erasable Programmable Read Only
Memory
±
FF Flexible Fuel ±
FP Fuel Pump Fuel Pump
GEN Generator Alternator
GND Ground Ground (GND)
HO2SHeated Oxygen SensorHeated Oxygen Sensor (HO2S)
± INTRODUCTIONGLOSSARY OF SAE AND TOYOTA TERMSIN±39

Page 1207 of 2543

TOYOTA SUPRA 1995 Service Repair Manual IAC Idle Air Control Idle Speed Control (ISC)
IATIntake Air TemperatureIntake or Inle

IAC Idle Air Control Idle Speed Control (ISC)
IATIntake Air TemperatureIntake or Inlet Air Temperature ICM Ignition Control Module ± IFI Indirect Fuel Injection Indirect Injection IFS Inertia Fuel±Shutoff ±
ISC Idle Speed Control ±
KS Knock Sensor Knock Sensor
MAF Mass Air Flow Air Flow Meter
MAP Manifold Absolute Pressure Manifold Pressure
Intake Vacuum

MC

Mixture Control

Electric Bleed Air Control Valve (EBCV)
Mixture Control Valve (MCV)
Electric Air Control Valve (EACV)
MDP Manifold Differential Pressure ±
MFI Multiport Fuel Injection Electronic Fuel Injection (EFI)
MILMalfunction Indicator LampCheck Engine Light MST Manifold Surface Temperature ± MVZ Manifold Vacuum Zone ± NVRAM Non±Volatile Random Access Memory ±
O2S Oxygen Sensor Oxygen Sensor, O2 Sensor (O2S)
OBD On±Board Diagnostic On±Board Diagnostic (OBD)
OC Oxidation Catalytic Converter Oxidation Catalyst Converter (OC), CCo
OPOpen LoopOpen Loop PAIR Pulsed Secondary Air Injection Air Suction (AS) PCM Powertrain Control Module ± PNP Park/Neutral Position ±
PROM Programmable Read Only Memory ±
PSP Power Steering Pressure ±

PTOX

Periodic Trap Oxidizer

Diesel Particulate Filter (DPF)
Diesel Particulate Trap (DPT)
RAMRandom Access MemoryRandom Access Memory (RAM) RM Relay Module ± ROM Read Only Memory Read Only Memory (ROM) RPM Engine Speed Engine Speed
SC Supercharger Supercharger
SCB Supercharger Bypass ±
SFI Sequential Multiport Fuel Injection Electronic Fuel Injection (EFI), Sequential Injec-
tion
SPL Smoke Puff Limiter ± SRI Service Reminder Indicator ± SRT System Readiness Test ±
ST Scan Tool ±
TB Throttle Body Throttle Body
TBI Throttle Body Fuel Injection Single Point Injection
Central Fuel Injection (Ci)
TC Turbocharger Turbocharger TCC Torque Converter Clutch Torque Converter TCM Transmission Control Module Transmission ECU (Electronic Control Unit)
TP Throttle Position Throttle Position
TR Transmission Range ±
IN±40± INTRODUCTIONGLOSSARY OF SAE AND TOYOTA TERMS

Page 1208 of 2543

TOYOTA SUPRA 1995 Service Repair Manual

TVV

Thermal Vacuum Valve

Bimetallic Vacuum Switching Valve (BVSV)
Thermostat

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