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Lexus SC400 CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Lexus REPAIR SHOPS DON'T WANT YOU TO KNOW
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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about Lexus SC400 car and truck
repair procedures including Lexus engine diagrams, wiring diagrams, repair work estimating measures, technical service bulletins, auto body work
guidance, starter & alternator replacement procedures, serpentine belt replacement procedures, radiator & hose replacement procedures, tune-up &
drivability specifications, quick lube illustrations, preventive maintenance guide, engine light reset instructions, parts removal and install
procedures, fuel filter replacement directions, component location diagrams, air filter locations & replacement instructions, a/c
system specifications, and general auto service procedures. You don't have to be a car mechanic or technician to know how to fix
your Lexus SC400 automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR Lexus SC400 AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported Lexus SC400 cars and light trucks from 1990+
Lexus -> Diagnosis & Testing -> A/C SYSTEM TROUBLESHOOTING -> DIAGNOSTIC CODE NOT RECORDED, SET MODE IS CLEARED WHEN IGNITION SWITCH IS TURNED OFF -> ENGINE IDLE UP DOES NOT OCCUR, OR IS CONTINUOUS -> ES 300, GS 300, SC 300 & SC 400 -> INSUFFICIENT AIR FLOW -> LS 400 -> NO AIR FLOW MODE CONTROL -> NO AIR INLET CONTROL -> NO BLOWER CONTROL -> NO BLOWER OPERATION -> NO COOL AIR COMES OUT -> NO TEMPERATURE CONTROL (ONLY MAXIMUM COOL OR MAXIMUM WARM) -> NO WARM AIR COMES OUT -> OUTPUT AIR IS WARMER OR COLDER THAN THE SET TEMPERATURE OR RESPONSE IS SLOW
Vehicle: 1995 Lexus SC400 4.0 V8 GAS
NO BLOWER OPERATION
- Inspect IG power source circuit.
- Inspect Accessory power circuit.
- Inspect heater main relay circuit.
- Inspect blower motor circuit.
- Inspect water temperature sensor circuit.
- Inspect Electronic Control Unit (ECU).
NO BLOWER CONTROL
- Inspect IG power source circuit.
- Inspect power transistor circuit.
- On ES 300 and LS 400 models, inspect EX-Hi relay circuit.
- On all models, inspect heater main relay circuit.
- Inspect blower motor circuit.
- On GS 300 and LS 400 models, inspe...
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BRAKE SERVICE PROCEDURES FOR Lexus SC400 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported Lexus SC400 cars and light trucks from 1990+.
Power Brake Units -> Adjustments -> Brake Pedal Freeplay -> Brake Pedal Height
Vehicle: 2000 Lexus SC400 4.0 V8 GAS
Brake Pedal Height
- Measure brake pedal height, Fig. .
- On RX300 models, pedal height should be 7.598-7.992 inches.
- On ES300 models, pedal height should be 5.748-6.142 inches for 1997-2001 models and 5.673-6.067 for 2002 models.
- On SC300 and SC400 models, pedal height should be 5.921-6.315 inches.
- On LS400 models, pedal height should be 5.268-5.661 inches.
- On LS430 models, pedal height should be 6.654-7.047 inches.
- On IS300 & SC 430 models, pedal height should be 6.063-6.457 inches.
- On GS300, GS400 & GS430 models, pedal height should be 5.906-6.299 inches.
- On all models, if pedal height measur...
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FUEL FILTER REPLACEMENT PROCEDURES FOR Lexus SC400 AUTOMOBILES
Fuel filter replacement procedures with corresponding images for most domestic and imported Lexus SC400 cars and light trucks sold in the U.S. for 1980+.
Lexus -> Fuel Filter Scheduled Maintenance -> -> Normal Service -> Severe Service
Vehicle: 1996 Lexus SC400 4.0 V8 GAS
Normal Service
Manufacturer does not specify service interval
...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR Lexus SC400 AUTOMOBILES
Includes CV axle, universal joint, and driveline replacement, for domestic and imported Lexus SC400 cars and light trucks from 1990+.
CV AXLE SHAFT, Replace
Vehicle: 1996 Lexus SC400 4.0 V8 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 side...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR Lexus SC400 AUTOMOBILES
Includes starter and alternator replacement procedures for domestic and imported Lexus SC400 cars and light trucks from 1990+.
Starter, Replace
Vehicle: 1995 Lexus SC400 4.0 V8 GAS
- Disconnect battery ground cable.
- Remove intake chamber and intake.
- Disconnect starter wires, remov...
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MAINTENANCE LAMP RESET PROCEDURES FOR Lexus SC400 AUTOMOBILES
Maintenance lamp reset procedures with corresponding images for most domestic and imported Lexus SC400 cars and light trucks sold in the U.S. from 1990+.
Lexus -> Low Oil Level Warning Indicator ->
Vehicle: 1993 Lexus SC400 4.0 V8 GAS
This lamp lights to indicate that the engine oil level is below a specified level. The lamp will be illuminated during engine start-up. If...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR Lexus SC400 AUTOMOBILES
Includes radiator, cooling and heater hose replacement procedures for domestic and imported Lexus SC400 cars and light trucks from 1990+
Radiator, Replace
Vehicle: 1998 Lexus SC400 4.0 V8 GAS
- Remove battery, then the engine undercover.
- Drain engine coolant into suitable container.
- Remove radiator reservoir tank as follows:
- Disconnect coolant level sensor electrical connector, then the reservoir hose from water inlet housing and reservoir hose from radiator.
- Remove reservoir tank bracket bolts, then the bracket.
- Remove reservoir tank to radiator bolt, then disconnect tank from bracket and remove tank.
- Disconnect upper radiator, lower radiator and transmission oil cooler hoses from radiator. Plug hose ends to prevent contamination.
- Disconnect pressure and return hoses from ...
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SERPENTINE BELT SERVICE PROCEDURES FOR Lexus SC400 AUTOMOBILES
Serpentine belt replacement procedures with corresponding images for most domestic and imported Lexus SC400 cars and light trucks sold in the U.S. from 1990+.
Serpentine Drive Belt, Replace
Vehicle: 1993 Lexus SC400 4.0 V8 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 Lexus SC400 AUTOMOBILES
Component location diagrams for most Lexus SC400 cars and light trucks sold in the U.S. from 1990+.
 Relay Block No.4 Diagram for 1994 Lexus SC400 4.0 V8 GASComponents on diagram: |
 Cruise Control Main & Control Switch Diagram for 1993 Lexus SC400 4.0 V8 GASComponents on diagram: |
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WIRING DIAGRAMS FOR Lexus SC400 AUTOMOBILES
OEM drawn wiring diagrams for most Lexus SC400 cars and light trucks sold in the U.S.
 1996 Lexus SC400 4.0 V8 GAS Wiring DiagramComponents on diagram: |
 1995 Lexus SC400 4.0 V8 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR Lexus SC400 AUTOMOBILES
OEM TSB listings for most Lexus SC400 cars and light trucks sold in the U.S. from 1985+.
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Document: DRIVESHAFT ASSEMBLY REPLACEMENT Vehicle: 1992 Lexus SC400 4.0 V8 GAS Auto Systems: |
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Document: SUNVISOR - IMPROVED HINGE RETENTION Vehicle: 1992 Lexus SC400 4.0 V8 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR Lexus SC400 AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most Lexus SC400 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 Lexus SC400 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 Lexus SC400 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 Lexus SC400 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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