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Lexus 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 Model
| ES250 | ES300 | ES330 | ES350 |
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| GS450H | GS460 | GX470 | HS250H |
| IS F | IS250 | IS300 | IS350 |
| LS400 | LS430 | LS460 | LS600H |
| LX450 | LX470 | LX570 | RX300 |
| RX330 | RX350 | RX400H | RX450H |
| SC300 | SC400 | SC430 |
Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about Lexus 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
automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR Lexus 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 cars and light trucks from 1990+
Lexus -> Electric Cooling Fans -> Description -> ES 300 -> GS 300 -> LS 400 -> SC 300 & SC 400
Vehicle: 1997 Lexus SC400 4.0 V8 GAS
When servicing "LX 450" models, refer to "Land Cruiser" in for service procedures.
ES 300
Refer to under "Camry" for service procedures.
GS 300
The system used on this model is operated by a series of relays and switches. Whenever the engine coolant temperature switch or the high pressure switch grounds, the cooling fan relays are energize...
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BRAKE SERVICE PROCEDURES FOR Lexus AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported Lexus cars and light trucks from 1990+.
Anti-lock Brakes -> Diagnosis & Testing -> 1993-94 -> 1995-96 -> ABS & TRAC ECU -> ABS ECU -> Accessing Diagnostic Trouble Codes -> Actuator Operation -> Clearing Diagnostic Trouble Codes -> Component Testing -> Diagnostic Tests -> Diagnostic Trouble Code Definitions -> Diagnostic Trouble Code Interpretation -> GS300 -> GS300 & LS400 -> Less TRAC -> LS400 -> SC300 & SC400 -> Speed Sensor Diagnosis -> Terminal Identification -> Throttle Valve Motor Driver ECU -> TRAC ECU -> Wiring Diagrams -> With TRAC
Vehicle: 1995 Lexus LS400 4.0 V8 GAS
Accessing Diagnostic Trouble Codes
- Turn ignition switch to On position.
- Disconnect short pin from DLC1, Fig. , then connect diagnosis check wire tool No. 09843-18020, or equivalent, to terminals Tc and E1 of DLC1 or DLC2.
- Read diagnostic trouble code from ABS warning light on combination meter. If no diagnostic trouble code appears, inspect diagnostic circuit or ABS warning circuit.
- After completing check, disconnect terminals Te and E1 and turn off display. If more than one diagnostic trouble code is stored, lowest number will appear first.
Diagnostic Trouble Code Interpretation
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[[table data]] [[table data]] [[table data]]CLICK HERE TO GET FULL ACCESS TO Lexus BRAKE SERVICE PROCEDURES
FUEL FILTER REPLACEMENT PROCEDURES FOR Lexus AUTOMOBILES
Fuel filter replacement procedures with corresponding images for most domestic and imported Lexus cars and light trucks sold in the U.S. for 1980+.
Lexus -> Fuel Filter Replacement -> 1993-97 LS400, SC300, SC400 & GS300 -> Fuel System Pressure Relief -> Removal & Installation
Vehicle: 1996 Lexus SC400 4.0 V8 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...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR Lexus AUTOMOBILES
Includes CV axle, universal joint, and driveline replacement, for domestic and imported Lexus cars and light trucks from 1990+.
CV AXLE SHAFT, Replace -> Front -> Rear
Vehicle: 2005 Lexus SC430 4.3 V8 GAS
Front
- Raise and support vehicle and support it with safety stands in proper locations.
- Remove wheel nuts and front wheels.
- Remove bolts and remove disc brake cylinder from steering knuckle.
- Support brake caliper assembly with mechanics wire.
- Remove front disc brake rotor.
- Remove lefthand front hub bolt using suitable tool.
- Reverse procedure to install noting the following:
- Torque disc brake caliper bolts to 76 ft. lbs.
- Torque wheel lug nuts to 76 ft. lbs.
Rear
- Raise and support vehicle and support it with safety stands in proper locations.
- Remove wheel nuts and rear w...
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TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR Lexus AUTOMOBILES
Description, component locations, reset procedures, relearn procedures, diagnosis and testing, wiring diagrams, component replacement, and identification of vehicles equipped and not equipped with tire pressure monitoring system for most domestic and imported Lexus cars and light trucks sold in the U.S. from mid 1990's+.
Description
Vehicle: 2008 Lexus LS600H L 5.0 V8 ELECTRIC/GAS
A tire pressure sensor and transmitter assembly is installed in each tire and wheel assembly. The sensor measures the tire pressure. The measured tire pressure and transmitter identification are transmitted as radio waves to the TPMS (Tire Pressure Monitor System) antenna and receiver on the body. From the receiver the signal is sent to the TPMS ECU (Electronic Control U...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR Lexus AUTOMOBILES
Includes starter and alternator replacement procedures for domestic and imported Lexus cars and light trucks from 1990+.
Alternator, Replace
Vehicle: 1991 Lexus LS400 4.0 V8 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 ...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR Lexus AUTOMOBILES
Cabin air filter locations and replacement procedures with corresponding images for most domestic and imported Lexus cars and light trucks sold in the U.S. as equipped to the current model year.
Cabin Air Filter Service -> Lexus -> 2002-05 GS300 & GS430
Vehicle: 2005 Lexus GS430 4.3 V8 GAS
Under normal operating conditions the cabin air filter should be replaced 7,500 miles. In dusty areas change the cabin air filter more often.
- Open the glove compartment.
- Remove the cover located at the rear of the glove compartment by lifting upward and pulling outward, Fig. .
- Through the glove compartment rear co...
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MAINTENANCE LAMP RESET PROCEDURES FOR Lexus AUTOMOBILES
Maintenance lamp reset procedures with corresponding images for most domestic and imported Lexus cars and light trucks sold in the U.S. from 1990+.
Lexus -> Low Coolant Lamp ->
Vehicle: 2002 Lexus LS430 4.3 V8 GAS
This lamp will be illuminated when the coolant level in the radiator drops below a pre-determined point. To reset the lamp, bring the c...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR Lexus AUTOMOBILES
Includes radiator, cooling and heater hose replacement procedures for domestic and imported Lexus cars and light trucks from 1990+
Radiator, Replace
Vehicle: 2004 Lexus RX330 3.3 V6 GAS
- Raise and support vehicle.
- Remove engine under cover and drain engine coolant.
- Recover A/C refrigerant.
- Remove upper seal from top of radiator assembly.
- Disconnect discharge hose and liquid tube from A/C condenser. Cap fittings to prevent contamination.
- Remove liquid tube clamp from condenser.
- Remove condenser attaching bolts, then the condenser.
- Disconnect cooling fan electrical connectors.
- Disconnect engine coolant tem...
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SERPENTINE BELT SERVICE PROCEDURES FOR Lexus AUTOMOBILES
Serpentine belt replacement procedures with corresponding images for most domestic and imported Lexus cars and light trucks sold in the U.S. from 1990+.
Serpentine Drive Belt, Replace
Vehicle: 2004 Lexus RX330 3.3 V6 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 AUTOMOBILES
Component location diagrams for most Lexus cars and light trucks sold in the U.S. from 1990+.
 Power Steering Components Diagram for 2006 Lexus GS430 4.3 V8 GASComponents on diagram: |
 Front Cabin Components Diagram for 2008 Lexus IS F 5.0 V8 GASComponents on diagram: |
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WIRING DIAGRAMS FOR Lexus AUTOMOBILES
OEM drawn wiring diagrams for most Lexus cars and light trucks sold in the U.S.
 1995 Lexus LS400 4.0 V8 GAS Wiring DiagramComponents on diagram: |
 2008 Lexus ES350 3.5 V6 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR Lexus AUTOMOBILES
OEM TSB listings for most Lexus cars and light trucks sold in the U.S. from 1985+.
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Document: 1UR-FSE, 2UR-GSE, 3UR-FE ACCESSORY DRIVE BELT TENSIONER - NOISE Vehicle: 2008 Lexus GS460 4.6 V8 GAS Symptoms: |
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Document: IMPROVEMENTS TO AUTOMATIC GLARE-RESISTANT EC OUTSIDE REAR VIEW MIRROR Vehicle: 2001 Lexus RX300 3.0 V6 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR Lexus AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most Lexus 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 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 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 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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