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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2004 Lexus GS300 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 2004 Lexus GS300 automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 2004 Lexus GS300 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 2004 Lexus GS300 cars and light trucks from 1990+
Lexus -> Diagnosis & Testing -> Diagnosis & Testing -> Accessing Diagnostic Trouble Codes -> Actuator Check Mode Inspection -> Air Duct Sensor -> Air Inlet Servomotor Circuit -> Air Mix Damper Position Sensor -> Air Outlet Control Servomotor -> Ambient Temperature Sensor -> Clearing Diagnostic Trouble Codes -> Component Testing -> Cool Air Bypass Damper Position Sensor Circuit -> Diagnostic Tests -> Diagnostic Trouble Code Interpretation -> Electronic Control Unit -> Engine Coolant Temperature Sensor -> ES 300 -> ES 330 -> Evaporator Temperature Sensor -> Exhaust Gas Sensor -> GS 300 & GS 430 -> GS 300, GS 430 & LS 430 -> GS 300, GS 430, IS 300 & RX 300 -> GX 470 -> IS 300 -> LS 430 -> Room Temperature Sensor -> RX 300 -> RX 330 -> SC 430 -> Solar Sensor
Vehicle: 2004 Lexus GS300 3.0 L6 GAS
Accessing Diagnostic Trouble Codes
- On ES 300, ES 330, GS 300, GS 430, GX 470, LS 430, RX 300, RX 330 and SC 430 models, turn ignition switch to the ON position while pressing air conditioner control AUTO button and R/F SW button simultaneously.
- On IS 300 models, connect Lexus hand held tester or equivalent to DLC3 and follow prompts on tester screen.
- On all models, ensure all indicators light up and go off at one second intervals four times in succession.
- After indicator inspection has ended, DTC inspection begins automatically.
- DTCs wil...
CLICK HERE TO GET FULL ACCESS TO 2004 Lexus GS300 A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 2004 Lexus GS300 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 2004 Lexus GS300 cars and light trucks from 1990+
Lexus -> Component Replacement & Adjustment -> Compressor, Replace -> ES 300, ES 330 & RX 300 -> ES 330 & RX 330 -> GS 300, GS 430 & IS 300 -> LS 430 -> SC 430
Vehicle: 2004 Lexus GS300 3.0 L6 GAS
When servicing LX 470, refer to Land Cruiser in for service procedures.
ES 300, ES 330 & RX 300
- Run engine at idle with A/C On for at least 10 minutes.
- Stop engine, then remove battery and bracket.
- Recover refrigerant as outlined in .
- Disconnect and cap two hoses from compressor service valves.
- Disconnect alternator electrical connector, then remove nut and disconnect alternator wire.
- Remove pivot bolt, then the plate washer, adjusting lock bolt and alternator.
- Disconnect compressor electrical connector, then remove bolts, nuts...
CLICK HERE TO GET FULL ACCESS TO 2004 Lexus GS300 A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 2004 Lexus GS300 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 2004 Lexus GS300 cars and light trucks from 1990+
Electrical Symbol & Wire Color Code Identification -> Electrical Symbol Identification -> Imported Vehicles
Vehicle: 2004 Lexus GS300 3.0 L6 GAS
CLICK HERE TO GET FULL ACCESS TO 2004 Lexus GS300 A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 2004 Lexus GS300 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 2004 Lexus GS300 cars and light trucks from 1990+
Lexus -> Component Replacement & Adjustment -> Cooling System Bleed
Vehicle: 2004 Lexus GS300 3.0 L6 GAS
The cooling system self-bleeds as coolant is added to the engine. Once...
CLICK HERE TO GET FULL ACCESS TO 2004 Lexus GS300 A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 2004 Lexus GS300 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 2004 Lexus GS300 cars and light trucks from 1990+
Electrical Symbol & Wire Color Code Identification -> Wire Color Code Identification -> Imported Vehicles
Vehicle: 2004 Lexus GS300 3.0 L6 GAS
CLICK HERE TO GET FULL ACCESS TO 2004 Lexus GS300 A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 2004 Lexus GS300 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 2004 Lexus GS300 cars and light trucks from 1990+
Lexus -> Electric Cooling Fans -> Component Replacement -> Engine Coolant Temperature Switch -> ES 300 & ES 330 -> Fan Motor -> Fan Motor Relay -> Fan Motors -> GS 300, GS 430 & IS 300 -> High Pressure Switch -> LS 430 -> RX 300 -> SC 430
Vehicle: 2004 Lexus GS300 3.0 L6 GAS
When servicing LX 470, refer to Land Cruiser in for service procedures.
ES 300 & ES 330
Refer to "Camry" in in "Toyota" for service procedures.
GS 300, GS 430 & IS 300
Fan Motor
- Drain engine coolant into suitable container.
- Remove air cleaner inlet.
- Remove air cleaner and MAF meter assembly.
- Disconnect upper radiator hose.
- Disconnect ECM outlet duct from ECM box.
- Disconnect wire for electric cooling fan from clamp on cooling fan.
- Disconnect two electric cooling fan connectors.
- Disconnect radiator...
CLICK HERE TO GET FULL ACCESS TO 2004 Lexus GS300 A/C & HEATER SERVICE PROCEDURES
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