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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2004 Lexus SC430 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 SC430 automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 2004 Lexus SC430 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 SC430 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 SC430 4.3 V8 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 SC430 A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 2004 Lexus SC430 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 SC430 cars and light trucks from 1990+
Lexus -> Electric Cooling Fans -> Component Diagnosis & Testing -> Cooling Fan -> Cooling Fan Computer Wire Harness -> Cooling Fan ECU -> Cooling Fan Main Relay -> Cooling Fan Motor -> Cooling Fan Operation -> Cooling Fan Relay No. 2 -> Cooling Fan Relay No. 3 -> Cooling Fans -> Engine Coolant Temperature Switch -> ES 300 -> ES 330 -> Fan Main Relay -> Fan Motor -> GS 300 & GS 430 -> IS 300 -> LS 430 & SC 430 -> LX 470 -> No. 1 & No. 3 Cooling Fan Relay -> No. 1 Cooling Fan Relay -> No. 1 Engine Coolant Temperature (ECT) Switch -> No. 2 Cooling Fan Relay -> No. 2 Engine Coolant Temperature (ECT) Switch -> No. 3 Cooling Fan Relay -> No.2 Engine Coolant Temperature (ECT) Switch -> On Vehicle Inspection -> On-Vehicle Inspection -> Radiator Fan Main Relay -> RX 300 -> RX 330 -> Temperature Switch
Vehicle: 2004 Lexus SC430 4.3 V8 GAS
ES 300
Refer to "Camry" in in "Toyota" for service procedures.
ES 330
On-Vehicle Inspection
- With coolant temperature below 83°C (181°F), turn ignition On and ensure fan stops. If fan does not stop, proceed to next step. If fan stops, inspect cooling fan.
- Inspect fan relays.
- Disconnect No. 1 Engine Coolant Temperature (ECT) switch connector.
- Connect terminals of No. 1 ECT switch connector using a suitable jumper wire. If fan rotates at high speed, proceed to next step. If fan does not rotate, inspect cooling fan main...
CLICK HERE TO GET FULL ACCESS TO 2004 Lexus SC430 A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 2004 Lexus SC430 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 SC430 cars and light trucks from 1990+
Electrical Symbol & Wire Color Code Identification -> Wire Color Code Identification -> Imported Vehicles
Vehicle: 2004 Lexus SC430 4.3 V8 GAS
CLICK HERE TO GET FULL ACCESS TO 2004 Lexus SC430 A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 2004 Lexus SC430 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 SC430 cars and light trucks from 1990+
Cooling System Capacities -> Lexus -> 2003-04
Vehicle: 2004 Lexus SC430 4.3 V8 GAS
CLICK HERE TO GET FULL ACCESS TO 2004 Lexus SC430 A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 2004 Lexus SC430 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 SC430 cars and light trucks from 1990+
Imported Cars & Light Trucks & Vans -> 2003-04 -> Pressure Gauge Indication
Vehicle: 2004 Lexus SC430 4.3 V8 GAS
...
CLICK HERE TO GET FULL ACCESS TO 2004 Lexus SC430 A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 2004 Lexus SC430 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 SC430 cars and light trucks from 1990+
Electrical Symbol & Wire Color Code Identification -> Wire Color Code Identification -> Imported Vehicles
Vehicle: 2004 Lexus SC430 4.3 V8 GAS
CLICK HERE TO GET FULL ACCESS TO 2004 Lexus SC430 A/C & HEATER SERVICE PROCEDURES
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