Auto Parts Search
1994 Lexus SC300 CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Lexus 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 Lexus SC300 AUTOMOBILES
Lexus -> Component Replacement & Adjustment -> WATER PUMP, REPLACE -> 1993 ES 300 -> 1994-95 ES 300 -> GS 300 -> LS 400 & SC 400 -> SC 300
Vehicle: 1994 Lexus SC300 3.0 L6 GAS
1993 ES 300
Refer to Fig. when replacing the water pump.
- Drain coolant, then disconnect lower radiator hose from water inlet pipe.
- Disconnect timing belt from water pump pulley. Refer to MOTOR's Imported Car Repair Manual for procedure.
- Remove water inlet pipe, then the water inlet and thermostat.
- Remove water pump.
- Reverse procedure to install.
1994-95 ES 300
- Drain coolant, then disconnect lower radiator hose from water inlet pipe as shown in Fig. .
- Disconnect timing belt from water pump pulley. Refer to MOTOR...
CLICK HERE TO GET FULL ACCESS TO 1994 Lexus SC300 A/C & HEATER SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1994 Lexus SC300 AUTOMOBILES
Anti-lock Brakes -> Troubleshooting
Vehicle: 1994 Lexus SC300 3.0 L6 GAS
Refer to Fig. ...
CLICK HERE TO GET FULL ACCESS TO 1994 Lexus SC300 BRAKE SERVICE PROCEDURES
FUEL FILTER REPLACEMENT PROCEDURES FOR 1994 Lexus SC300 AUTOMOBILES
Lexus -> Fuel Filter Replacement -> 1993-97 LS400, SC300, SC400 & GS300 -> Fuel System Pressure Relief -> Removal & Installation
Vehicle: 1994 Lexus SC300 3.0 L6 GAS
Fuel System Pressure Relief
- Obtain the vehicle owners radio theft protection code prior to disconnecting the battery ground cable, if equipped.
- From the luggage compartment, remove the luggage compartment floor mat and trim cover.
- Disconnect the fuel pump electrical connector, Figs. through .
- Start the engine and allow to idle until it stalls.
- Place the ignition switch in the Lock position.
- Disconnect the battery ground cable.
- Connect the fuel pump electrical connector.
- Install the luggage compartment trim cover and floor mat.
Removal & Installation
Do not smoke or al...
CLICK HERE TO GET FULL ACCESS TO 1994 Lexus SC300 FUEL FILTER REPLACEMENT PROCEDURES
DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1994 Lexus SC300 AUTOMOBILES
CV AXLE SHAFT, Replace
Vehicle: 1994 Lexus SC300 3.0 L6 GAS
- Raise and support vehicle, then remove rear wheel and tire assembly.
- Remove exhaust pipe.
- Remove cotter pin, locknut cap and center locknut.
- Place matchmarks on driveshaft and side gear shaft, Fig. . Do not use a punch to mark matchmarks.
- Remove six hexagon bolts and two washers while depressing brake pedal, Fig. .
- Hold inboard joint sid...
CLICK HERE TO GET FULL ACCESS TO 1994 Lexus SC300 DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES
STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1994 Lexus SC300 AUTOMOBILES
Alternator, Replace
Vehicle: 1994 Lexus SC300 3.0 L6 GAS
- Loosen pivot bolt, adjusting lock bolt, and adjusting bolt, and remove drive belt.
- Disconnect alternator connector.
- Remove nut, and disconnect alternator wire.
- Disconnect wire harness from clip.
- Remove pivot bolt, plate washer, adjusting ...
CLICK HERE TO GET FULL ACCESS TO 1994 Lexus SC300 STARTER & ALTERNATOR REPLACEMENT PROCEDURES
MAINTENANCE LAMP RESET PROCEDURES FOR 1994 Lexus SC300 AUTOMOBILES
Lexus -> Air Bag Warning Lamp -> 1992-2000 SC300
Vehicle: 1994 Lexus SC300 3.0 L6 GAS
The air bag system warning lamp warns of air bag system faults. The lamp will be lit when the ignition switch is placed in the Accessory or On positions, but should go out when the self-diagnostic system determines that no faults are present. If the lamp remains lit or flashes, a system fault is indicated. Air bag system diagnosis and repair procedures must be completed before the warning lamp can be reset.
Reset warning lamp as follows:
- Connect service wires to check connec...
CLICK HERE TO GET FULL ACCESS TO 1994 Lexus SC300 MAINTENANCE LAMP RESET PROCEDURES
RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1994 Lexus SC300 AUTOMOBILES
Radiator, Replace
Vehicle: 1994 Lexus SC300 3.0 L6 GAS
- Remove battery and battery tray.
- Remove engine undercover, then drain engine coolant into suitable container.
- Disconnect upper radiator, reservoir, lower radiator and A/T oil cooler hoses from radiator. Plug all hose ends.
- Remove No. 2 fan shroud clips, then disconnect No. 2 fan shroud claw from No. 1 fan shroud hook and remove No. 2 fan shroud.
- Remove upper radiator support ...
CLICK HERE TO GET FULL ACCESS TO 1994 Lexus SC300 RADIATOR & HOSE REPLACEMENT PROCEDURES
SERPENTINE BELT SERVICE PROCEDURES FOR 1994 Lexus SC300 AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1994 Lexus SC300 3.0 L6 GAS
- Disconnect battery ground cable.
- Rotate tensioner clockwise using suitable...
CLICK HERE TO GET FULL ACCESS TO 1994 Lexus SC300 SERPENTINE BELT SERVICE PROCEDURES
COMPONENT LOCATION DIAGRAMS FOR 1994 Lexus SC300 AUTOMOBILES
Component location diagrams for most 1994 Lexus SC300 cars and light trucks sold in the U.S. from 1990+.
![]() Components on diagram: |
![]() Components on diagram: |
CLICK HERE TO GET FULL ACCESS TO 1994 Lexus SC300 PARTS/COMPONENTS LOCATION DIAGRAMS!
WIRING DIAGRAMS FOR 1994 Lexus SC300 AUTOMOBILES
OEM drawn wiring diagrams for most 1994 Lexus SC300 cars and light trucks sold in the U.S.
![]() Components on diagram: |
![]() Components on diagram: |
CLICK HERE TO GET FULL ACCESS TO 1994 Lexus SC300 WIRING DIAGRAMS!
TECHNICAL SERVICE BULLETINS FOR 1994 Lexus SC300 AUTOMOBILES
OEM TSB listings for most 1994 Lexus SC300 cars and light trucks sold in the U.S. from 1985+.
Document: PERMANENT-TYPE PROTECTIVE WAX COATINGS Vehicle: 1994 Lexus SC300 3.0 L6 GAS Auto Systems: |
Document: REPLACEMENT CERTIFICATION LABELS - REVISED Vehicle: 1994 Lexus SC300 3.0 L6 GAS Auto Systems: |
CLICK HERE TO GET FULL ACCESS TO 1994 Lexus SC300 TECHNICAL SERVICE BULLETINS!
COMPONENT/PARTS SPECIFICATIONS FOR 1994 Lexus SC300 AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1994 Lexus SC300 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 Lexus SC300 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 Lexus SC300 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 Lexus SC300 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
CLICK HERE TO GET FULL ACCESS TO 1994 Lexus SC300 SPECIFICATIONS DATA!
Shop online for auto body parts, engines, wheels, lights...
More parts |
Get the Complete Technical Service Bulletins! |
![]() |
Access the Complete guide! |