2003 Audi A4 A/C & Heater Service (ONLINE REPAIR MANUALS)

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Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2003 Audi A4 car and truck repair procedures including Audi 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 2003 Audi A4 automobile. Try the Automotix DIY solution today!
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We have info for following modifications of 2003 Audi A4

  • 2003 Audi A4 1.8 L4 GAS, CC:1781, Fuel Injection, Engine VIN:, Desg:C
  • 2003 Audi A4 3.0 V6 GAS, CC:2976, Fuel Injection, Engine VIN:, Desg:T
  • 2003 Audi A4 Cabriolet 3.0 V6 GAS, CC:2976, Fuel Injection, Engine VIN:, Desg:T
  • 2003 Audi A4 Cabriolet 1.8 L4 GAS, CC:1781, Fuel Injection

A/C & HEATER SERVICE PROCEDURES FOR 2003 Audi A4 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 2003 Audi A4 cars and light trucks from 1990+

Computer Relearn Procedures -> Audi -> 1995-97 -> 1998-2004 -> OBD -> OBD II
Vehicle: 2003 Audi A4 Cabriolet 1.8 L4 GAS

OBD

Whenever the ECM is replaced, the new ECM will need to be " Coded." Use the following procedure to "Code" the ECM.

  • Connect VAG 1551, or equivalent scan tool to the diagnostic connector.
  • Operate scan tool until display shows "Select Function XX."
  • Press scan buttons 0 and 7 to select "Code Control Module" function, then press "Q" button to confirm input.
  • "Code Control Module" and " Enter Code Number" should appear on the display.
  • Enter correct code number as follows:
    • Code 0003: Vehicles with manual transmission.
    • Code 0004: Vehi...

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A/C & HEATER SERVICE PROCEDURES FOR 2003 Audi A4 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 2003 Audi A4 cars and light trucks from 1990+

Electrical Symbol & Wire Color Code Identification -> Electrical Symbol Identification -> Imported Vehicles
Vehicle: 2003 Audi A4 1.8 L4 GAS

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CLICK HERE TO GET FULL ACCESS TO 2003 Audi A4 A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 2003 Audi A4 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 2003 Audi A4 cars and light trucks from 1990+

Electrical Symbol & Wire Color Code Identification -> Electrical Symbol Identification -> Imported Vehicles
Vehicle: 2003 Audi A4 Cabriolet 1.8 L4 GAS

[[table data]]

CLICK HERE TO GET FULL ACCESS TO 2003 Audi A4 A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 2003 Audi A4 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 2003 Audi A4 cars and light trucks from 1990+

Electrical Symbol & Wire Color Code Identification -> Wire Color Code Identification -> Imported Vehicles
Vehicle: 2003 Audi A4 3.0 V6 GAS

[[table data]] [[table data]]

CLICK HERE TO GET FULL ACCESS TO 2003 Audi A4 A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 2003 Audi A4 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 2003 Audi A4 cars and light trucks from 1990+

Imported Cars & Light Trucks & Vans -> 2003-04 -> System Inspection -> Compressor -> Condenser -> Evaporator -> Receiver-Drier/Accumulator -> Refrigerant Line Restrictions -> Thermostatic Expansion Valve
Vehicle: 2003 Audi A4 3.0 V6 GAS

While a detailed diagnostic procedure for all air conditioning systems would be impractical due to the many variations in construction and operation, there are three fundamental components of a total diagnosis:

  • Refrigerant systems must have an adequate, but not excessive charge.
  • Determination must be made whether the refrigerant system is governed by a cycling clutch compressor or by valves which control evaporator pressure.
  • The air distribution system (blower motor, switches, vacuum lines and air ducts) must be operational before checking the ...

CLICK HERE TO GET FULL ACCESS TO 2003 Audi A4 A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 2003 Audi A4 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 2003 Audi A4 cars and light trucks from 1990+

Air Bag System Precautions -> Audi -> Arming -> Air Bag II & III System -> Air Bag V System
Vehicle: 2003 Audi A4 3.0 V6 GAS

Air Bag II & III System
  • Connect voltage supply connector.
  • Connect battery ground cable.
  • Turn ignition On. Air bag indicator lamp should light for approximately 10 seconds, then go off.
  • If air bag indicator lamp does not light or remains lit after approximately 10 seconds, an air bag system faul...

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