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1994 Toyota Supra CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Toyota REPAIR SHOPS DON'T WANT YOU TO KNOW
Learn how to repair a car or truck, install or remove parts, wire an engine, reset warning lights, replace fuel filter, fix auto body and more. Get Automotix DIY!Select Section
- Component Locations
- Wiring Diagrams
- Technical Service Bulletins
- Specifications
- A/C & Heater Service
- Brake Service
- Fuel Filter Replacement
- Driveline, U-Joint & CV Axles Replacement
- Starter & Alternator Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service
A/C & HEATER SERVICE PROCEDURES FOR 1994 Toyota Supra AUTOMOBILES
Air Bag System Precautions -> Toyota -> Disarming
Vehicle: 1994 Toyota Supra 3.0 L6 GAS
The Supplemental Restraint System (SRS) incorporates a back up energy source that can maintain sufficient voltage to cause a deployment for up to 90 seconds after the ignition switch is turned off and the battery is disconnected.
When the battery is disconnected all vehicle memory is lost, make notes of radio station settings. Never use a back-up power source from outside the vehicle.
- Note radio station settings before disconnecting battery, as all vehicle memory will be lost.
- Place ...
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BRAKE SERVICE PROCEDURES FOR 1994 Toyota Supra AUTOMOBILES
HYDRAULIC BRAKE SYSTEMS -> COMPONENT REPLACEMENT -> Except Land Cruiser, Pickup & 4Runner -> Land Cruiser, Pickup & 4Runner -> Master Cylinder -> Models w/Load Sensing Proportioning Valve (LSPV) -> Models w/Proportioning & By-Pass Valve (P-BV) -> Proportioning Valve -> Wheel Cylinders
Vehicle: 1994 Toyota Supra 3.0 L6 GAS
Master Cylinder
- On MR2, remove luggage compartment trim cover by removing two clips after disengaging inner part of clip.
- On all models, remove brake fluid with syringe.
- On RAV4, remove air cleaner cover with air cleaner hose.
- On all models, label and disconnect brake lines using line wrench 09751-36011, 09023-00100, or equivalent. Then cap brake lines from master cylinder.
- Disconnect wire connector from brake pressure switch and then disconnect level warning switch connector, if equipped.
- Remove master cylinder to brake unit attaching nuts, then remo...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1994 Toyota Supra AUTOMOBILES
Toyota -> Fuel Filter Replacement -> Corona, Cressida, Paseo, Starlet, Supra & Tercel -> Fuel System Pressure Relief -> Models Less Union Bolt Fuel Line Connection -> Models w/Union Bolt Fuel Line Connection -> Removal & Installation
Vehicle: 1994 Toyota Supra 3.0 L6 GAS
Fuel System Pressure Relief
Models w/Union Bolt Fuel Line Connection
- Obtain the vehicle owners radio theft protection code prior to disconnecting the battery ground cable, if equipped.
- Disconnect the battery ground cable.
- Remove the fuel fill cap to release fuel tank pressure.
- Place a shop towel over the union bolt at top of fuel filter. Slowly loosen the union bolt allowing fuel pressure to bleed down.
- Whenever the union bolt is loosened to relieve fuel system pressure, always replace the bolt gasket.
Models Less Union Bolt Fuel Line Connection
- Obtain t...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1994 Toyota Supra AUTOMOBILES
CV AXLE SHAFT, Replace
Vehicle: 1994 Toyota Supra 3.0 L6 GAS
- Raise and support vehicle, then remove front wheels as necessary and front fender apron seal.
- Remove cotter pin, locknut cap and locknut from axle spline.
- Drain transmission fluid, then using a suitable puller, disconnect tie rod end from steering knuckle.
- Disconnect stabilizer bar link from lower control arm.
- Disconnect ball joint from steering knuckle.
- To separate LH driveshaft from transmission, gently pry shaft out of transaxle with suitable tool, then remove snap ring from splined end of side gear shaft.
- To separate RH driveshaft from transmission proceed as follows:
- Remove...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1994 Toyota Supra AUTOMOBILES
Starter, Replace
Vehicle: 1994 Toyota Supra 3.0 L6 GAS
- Disconnect battery ground cable.
- Obtain audio anti-theft code, if equipped.
- Disconnect electrical connectors f...
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MAINTENANCE LAMP RESET PROCEDURES FOR 1994 Toyota Supra AUTOMOBILES
Toyota -> Anti-Lock Brake System (ABS)/Vehicle Stability Control (VSC) System Warning Lamp -> 1993-98 Supra
Vehicle: 1994 Toyota Supra 3.0 L6 GAS
The anti-lock warning lamp is used to warn of a system fault. The lamp will be lit during engine start-up, but should go out when the self-diagnostic system verifies proper anti-lock operation. If the lamp remains lit, a fault in the anti-lock brake system is indicated. After system diagnosis and repair are complete, the lam...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1994 Toyota Supra AUTOMOBILES
Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 1994 Toyota Supra 3.0 L6 GAS
Inlet
- Disconnect battery ground cable.
- Drain cooling system into a suitable container by loosening drain plug of radiator.
- Reposition hose clamp at heater core.
- Remove hose from heater core.
- Reposition hose clamp at water outlet.
- Remove hose from water outlet.
- Remove hose from vehicle.
- Reverse procedure ...
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SERPENTINE BELT SERVICE PROCEDURES FOR 1994 Toyota Supra AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1994 Toyota Supra 3.0 L6 GAS
- Rotate or lift the belt tensioner arm, using a suitable tool to relieve tension from dr...
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COMPONENT LOCATION DIAGRAMS FOR 1994 Toyota Supra AUTOMOBILES
Component location diagrams for most 1994 Toyota Supra cars and light trucks sold in the U.S. from 1990+.
Traction Control System Component Locations Diagram for 1994 Toyota Supra 3.0 L6 GAS Components on diagram: |
Connector Locations (Instrument Panel) Diagram for 1994 Toyota Supra 3.0 L6 GAS Components on diagram: |
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WIRING DIAGRAMS FOR 1994 Toyota Supra AUTOMOBILES
OEM drawn wiring diagrams for most 1994 Toyota Supra cars and light trucks sold in the U.S.
1994 Toyota Supra 3.0 L6 GAS Wiring Diagram Components on diagram: |
1994 Toyota Supra 3.0 L6 GAS Wiring Diagram Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1994 Toyota Supra AUTOMOBILES
OEM TSB listings for most 1994 Toyota Supra cars and light trucks sold in the U.S. from 1985+.
Document: REPLACEMENT CERTIFICATION LABELS - REVISED Vehicle: 1994 Toyota Supra 3.0 L6 GAS Auto Systems: |
Document: PERMANENT-TYPE PROTECTIVE WAX COATINGS Vehicle: 1994 Toyota Supra 3.0 L6 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1994 Toyota Supra AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1994 Toyota Supra cars and light trucks sold in the U.S. and Canada from 1970+.
- Brake caliper mounting bolt torque
- Brake drum runout, machining, & discard specs
- Minimum brake lining thickness.
- Brake rotor runout, parallelism, machining, discard, & finish specs
A/C SYSTEM SPECIFICATIONS: Air conditioning refrigerant capacity and type as well as lubricant capacity for most 1994 Toyota Supra cars and light trucks sold in the U.S. and Canada from 1980+.
- Refrigerant capacity & type, compressor oil viscosity, total system oil capacity & compressor clutch gap
COOLING SYSTEM BLEED: Cooling system bleeder valve identification, bleeder type and bleed procedures for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1986+.
PREVENTIVE MAINTENANCE: Preventive maintenance recommendations and required services for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1980+. Includes severe and routine service schedules
QUICK-LUBE and ILLUSTRATIONS: Fluid recommendations, capacities, drain plug torques, tire data, and severe service recommended preventive maintenance schedules. Information covers most 1994 Toyota Supra cars and light trucks sold in the U.S. and Canada from 1980+. Engine and chassis service images.
- Automatic transmission/transaxles capacities, lubricant recommendations
- Differential/final drive capacities, lube recommendations, grades, & viscosities
- Final drive fill & drain plug torques
- Number of lubrication fittings & plugs
- Power steering, brake, & clutch fluid recommendations
- Manual transmission/transaxle capacities, lube recommendations, grades, & viscosities
- Number of lubrication fittings & plugs
- Power steering, brake, & clutch fluid recommendations
- Engine oil capacities, API grade recommendations, SAE viscosity recommendations, drain plug torque
- Severe service maintenance & interval recommendations
- Tire sizes, wheel nut/bolt torque, pressures & rim sizes
- Transfer case capacities, lube recommendations, grades, & viscosities
TUNE-UP & DRIVEABILITY SPECIFICATIONS: Most tune-up specifications for most 1994 Toyota Supra cars and light trucks sold in the U.S. and Canada from 1980+
- Airflow sensor electrical specifications
- Tensioning specifications for systems with automatic tensioners
- Barometric pressure sensor specs
- Battery group number and cranking performance
- Crankshaft & camshaft position sensor resistance
- Engine compression pressures
- Coolant temperature sensor specs
- Computer advance.
- Diesel fuel temperature sensor resistance.
- Distributor advance specifications
- Ignition pickup coil resistance
- Exhaust gas recirculation temperature sensor resistance
- Engine fastener torque values
- Firing order diagrams
- Fuel system pressures
- Generator (alternator) specs
- Intake air temperature sensor specs
- Ignition coil specifications
- Fuel injector resistance
- Engine idle speeds
- Knock sensor resistance
- Manifold absolute pressure sensor specs
- Mixture control solenoid resistance
- Voltage regulator specs
- Spark plug applications & gaps
- Starter motor electrical specs.
- Tensioning specifications for systems without automatic tensioners
- Throttle body temperature sensor resistance
- Ignition timing in degrees at rpm
- Transmission oil temperature sensor resistance
- Throttle position sensor specs
- Vacuum sensor valve specs
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