Manual sections

Wiring diagrams

• 1.8L - Engine Mechanical, Engine Code(s): Awd, Aww, Awp (A4 Platform)
• 1.9L TDI and TDI Pd Generic Scan Tool, Engine Code(s): Alh, Bew (A4 Platform)
• 1.9L TDI Engine Mechanical - Alh (A4 Platform)
• 2.0L Engine Mechanical - Aeg, Avh, Azg, Bbw, Bev (A4 Platform)
• 2.8L VR6 2V Engine Mechanical - Afp (A4 Platform)
• 4 Spd. Automatic Transmission 01M (A4 Platform)
• 4 Spd. Automatic Transmission 01M (A4 Platform): Overhaul
• 5 Spd. Manual Transmission 02J (A4 Platform)
• 5 Spd. Manual Transmission 02J (A4 Platform): Overhaul
• 5 Spd. Manualtransmission 02J (A4 Platform)
• 5 Spd. Manualtransmission 02J (A4 Platform): Overhaul
• A/c Compressor
• Abbreviations
• Accessories Control Systems
• Accessory Drive Belts
• Airbag
• Antenna Systems
• Anti-Lock/traction Control
• Application
• Automatic HVAC System
• Automatic Trans
• Auxiliary Emission Control Systems
• Axle Shafts
• Basic Trouble Shooting
• Blowers, Superchargers & Turbochargers
• Body Collision Repair (A4 Platform)
• Body Collision Repair (A4 Platform): Removal & Installation
• Body Exterior (A4 Platform)
• Body Interior (A4 Platform)
• Brake System - A4 Platform
• Brakes
• Cabin Air Filter
• Check Lists
• Clutches - 02J (A4 Pllatform): Removal & Installation
• Clutches Manual & Hydraulic
• Communication Devices
• Computer Relearn
• Cooling Fan
• Cruise Control Systems
• Diagnostic Connector Locations
• Diesel Fuel Injection - 1.9L Alh, 2V TDI (A4 Platform)
• Differentials & Drive Axles
• Door Locks & Anti-Theft Systems
• Drive Cycles
• Driveline/axles
• DTC Index
• Electrical Component Locations
• Electrical Equipment (A4 Platform)
• Electrical Equipment - General Information (A4 Platform)
• Emission Applications
• Engine
• Engine Mechanical - 1.8L 4-CYL. 5V Turbo - Awd, Aww, Awp (A4 Platform)
• Engine Mechanical - 1.9L 4CYL. 2V ID1 - Alh (A4 Platform)
• Engine Performance
• Exhaust
• Exterior Body Panels
• Fuel System
• Fuses & Circuit Breakers
• Gauges & Instrument Panels
• General Servicing - All Makes
• Heating, Ventilation Air Conditioning (A4 Platform)
• Identification
• Ignition System
• Maintenance (A4 Platform)
• Manual & Power Steering
• Manual Trans
• Mechanical
• Metric Conversions
• Mode 6
• Multiport Fuel Injection (Mfi) - 1.8L, Awd (A4 Platform)
• Multiport Fuel Injection (Mfi) - 1.8L, Aww, Awp (A4 Platform)
• Multiport Fuel Injection (Mfi) - 2.8L Afp (A4 Platform): Diagnosis
• Oem General Information
• On Board Diagnostic (OBD) - 1.8L, Awd (A4 Platform)
• On Board Diagnostic (OBD) - 1.8L, Awd (A4 Platform): Diagnosis
• On Board Diagnostic (OBD) - 1.8L, Aww, Awp (A4 Platform)
• On Board Diagnostic (OBD) - 1.8L, Aww, Awp (A4 Platform): Diagnosis
• Procedures
• Reset Procedures
• Restraints
• Specifications
• Starter
• Steering
• Steering Column Switches
• Suspension, Wheels, Steering (A4 Platform)
• Testing & Diagnostics
• Timing Belt
• Traction Control Disable
• Transmission
• Wheel & Tire System

Repair manual

Heating, Ventilation Air Conditioning (A4 Platform) Volkswagen Jetta IV

Step-by-step instructions on "Heating, Ventilation Air Conditioning (A4 Platform)" for Volkswagen Jetta IV (1998–2005). Pick an article — removal, installation, adjustment and diagnostics with illustrations.

84subsections

84articles

94illustrations

VAS 5051 or VAG 1551 , connecting

1 article

• VAS 5051 or VAG 1551 , connecting

VAS 5051 , connecting and selecting functions

1 article

• VAS 5051 , connecting and selecting functions 1

VAG 1551 , connecting and selecting functions

1 article

• VAG 1551 , connecting and selecting functions 1

List of available functions

1 article

• List of available functions

Basic Setting (function 04)

1 article

• Basic Setting (function 04)

End Output (function 06)

1 article

• End Output (function 06)

Climatronic Control Module J255 , coding (function 07)

1 article

• Climatronic Control Module J255 , coding (function 07)

Read Measuring Value Block (function 08)

1 article

• Read Measuring Value Block (function 08)

Table of selectable display group numbers

1 article

• Table of selectable display group numbers

Heating and ventilation system, servicing

1 article

• Heating and ventilation system, servicing 6

Rear footwell air duct, removing

1 article

• Rear footwell air duct, removing 2

Center air outlet - Golf/GTI, removing

1 article

• Center air outlet - Golf/GTI, removing 2

Center air outlet - Jetta, removing

1 article

• Center air outlet - Jetta, removing 3

Drivers air outlet - Golf/GTI and Jetta, removing

1 article

• Drivers air outlet - Golf/GTI and Jetta, removing 3

Heating and ventilation controls, removing and installing

1 article

• Heating and ventilation controls, removing and installing 5

Heating and ventilation cables, installing and adjusting

1 article

• Heating and ventilation cables, installing and adjusting 1

Temperature flap cable, adjusting

1 article

• Temperature flap cable, adjusting 1

Footwell/defroster flap cable, adjusting

1 article

• Footwell/defroster flap cable, adjusting 1

Central flap cable, adjusting

1 article

• Central flap cable, adjusting 1

Ventilation system, checking

1 article

• Ventilation system, checking 1

Heating and ventilation unit, removing and installing

1 article

• Heating and ventilation unit, removing and installing 3

Fresh/Recirculating Air Door Motor V154 , removing and installing

1 article

• Fresh/Recirculating Air Door Motor V154 , removing and installing 1

Manual A/C system components in passenger compartment, servicing

1 article

• Manual A/C system components in passenger compartment, servicing 2

Heating and A/C controls, removing and installing

1 article

• Heating and A/C controls, removing and installing 2

Heating and A/C cables, installing and adjusting

1 article

• Heating and A/C cables, installing and adjusting

Manual A/C system components in engine compartment, servicing

1 article

• Manual A/C system components in engine compartment, servicing 2

Climatronic components, checking and adjusting with VAS 5051

1 article

• Climatronic components, checking and adjusting with VAS 5051

Climatronic components in passenger compartment, servicing

1 article

• Climatronic components in passenger compartment, servicing 1

Footwell Outlet Temperature Sensor G192 , removing and installing

1 article

• Footwell Outlet Temperature Sensor G192 , removing and installing 2

Fresh Air Blower Control Module J126 , removing and installing

1 article

• Fresh Air Blower Control Module J126 , removing and installing 1

Fresh Air Blower V2 , removing and installing

1 article

• Fresh Air Blower V2 , removing and installing 3

A/C Display Control Head E87 with Climatronic Control Module J255 , removing and installing

1 article

• A/C Display Control Head E87 with Climatronic Control Module J255 , removing and installing 2

Air flap motors (for climate control regulation), replacing

1 article

• Air flap motors (for climate control regulation), replacing

Air Flow Flap Motor V71 , removing and installing

1 article

• Air Flow Flap Motor V71 , removing and installing 4

Temperature Regulator Flap Motor V68 , removing and installing

1 article

• Temperature Regulator Flap Motor V68 , removing and installing 1

Central Air Flap Motor V70 , removing and installing

1 article

• Central Air Flap Motor V70 , removing and installing 1

Footwell/defrost flap motor V85 , removing and installing

1 article

• Footwell/defrost flap motor V85 , removing and installing 1

Climatronic components in engine compartment, servicing

1 article

• Climatronic components in engine compartment, servicing 1

Safety measures

1 article

• Safety measures

Commercial designation

1 article

• Commercial designation

Color

1 article

• Color

Temperature/pressure relationship

1 article

• Temperature/pressure relationship

Refrigerant oil

1 article

• Refrigerant oil

Airborne properties

1 article

• Airborne properties

Affects on plastic

1 article

• Affects on plastic

Affects on metal

1 article

• Affects on metal

Water solubility

1 article

• Water solubility

Flammability

1 article

• Flammability

Refrigerant containers

1 article

• Refrigerant containers

Leak detection

1 article

• Leak detection

R-134a refrigerant oil

1 article

• R-134a refrigerant oil

A/C refrigerant circuit with expansion valve and receiver drier

1 article

• A/C refrigerant circuit with expansion valve and receiver drier 10

A/C system hoses and lines

1 article

• A/C system hoses and lines

A/C refrigerant system, replacing components

1 article

• A/C refrigerant system, replacing components

A/C Refrigerant System - Servicing

1 article

• A/C Refrigerant System - Servicing

Low pressure service valve, removing

1 article

• Low pressure service valve, removing 1

High pressure service valve, removing

1 article

• High pressure service valve, removing 2

A/C Pressure Switch F129 , electrical checking

1 article

• A/C Pressure Switch F129 , electrical checking

A/C Pressure Switch F129 , functional checks

1 article

• A/C Pressure Switch F129 , functional checks

High Pressure Sensor G65 , checking

1 article

• High Pressure Sensor G65 , checking 2

Checking

1 article

• Checking

Expansion valve, removing and installing

1 article

• Expansion valve, removing and installing 1

Condenser, removing and installing

1 article

• Condenser, removing and installing 1

Heating and A/C unit, removing and installing

1 article

• Heating and A/C unit, removing and installing 2

Evaporator inlet/outlet seal, installing

1 article

• Evaporator inlet/outlet seal, installing

A/C refrigerant system pressures and temperatures, checking

1 article

• A/C refrigerant system pressures and temperatures, checking 1

Measuring pressure and temperature in a "switched-on" refrigerant system

1 article

• Measuring pressure and temperature in a "switched-on" refrigerant system

Measuring pressure and temperature in a closed container or "switched-off" refrigerant system

1 article

• Measuring pressure and temperature in a closed container or "switched-off" refrigerant system

A/C refrigerant system, discharging

1 article

• A/C refrigerant system, discharging

A/C refrigerant system, evacuating and recharging

1 article

• A/C refrigerant system, evacuating and recharging

Requirements

1 article

• Requirements

Compressor noisy

1 article

• Compressor noisy

A/C compressor noisy immediately after switching A/C ON and/or when driving around corners or braking (refrigerant shock), system overcharged

1 article

• A/C compressor noisy immediately after switching A/C ON and/or when driving around corners or braking (refrigerant shock), system overcharged

With an otherwise properly operating A/C system, water sprays out of instrument panel vents

1 article

• With an otherwise properly operating A/C system, water sprays out of instrument panel vents

A/C refrigerant system pressures, checking

1 article

• A/C refrigerant system pressures, checking

A/C refrigerant system cooling performance, checking

1 article

• A/C refrigerant system cooling performance, checking 1

Refrigerant (PAG) oil R-134a, distribution

1 article

• Refrigerant (PAG) oil R-134a, distribution

A/C Compressor and Bracket

1 article

• A/C Compressor and Bracket

4-cylinder TDI engine

1 article

• 4-cylinder TDI engine 2

4-cylinder TDI-PD engine

1 article

• 4-cylinder TDI-PD engine 1

Ribbed belt, routing

1 article

• Ribbed belt, routing

A/C Clutch N25 - Sanden, servicing

1 article

• A/C Clutch N25 - Sanden, servicing 1

A/C Clutch N25 - Sanden, removing and installing

1 article

• A/C Clutch N25 - Sanden, removing and installing 8

A/C Clutch N25 - Zexel, removing and installing

1 article

• A/C Clutch N25 - Zexel, removing and installing 6