Manual sections

Wiring diagrams

• 1.8L 4-CYL 5V Turbo Engine Mechanical, Engine Code(s): Amu, Bea
• 1.8L 4-CYL 5V Turbo Engine Mechanical, Engine Code(s): Atc, Awp
• 1.8L 4-CYL 5V Turbo Fuel Injection & Ignition, Engine Code(s): Amu
• 1.8L 4-CYL 5V Turbo Fuel Injection & Ignition, Engine Code(s): Bea
• 3.2L V6 4V Engine Mechanical, Engine Code(s): Bhe
• 3.2L V6 4V Fuel Injection & Ignition, Engine Code(s): Bhe
• 5 & 6-SPEED Manual Transmission (02M & 02Y Awd)
• 5-SPEED Manual Transmission (02J Fwd)
• 6-SPEED Automatic Transmission (09G Fwd)
• 6-SPEED Direct Shift Automatic Transmission (02E Awd)
• A/c Compressor
• Abbreviations
• Accessories Control Systems
• Accessory Drive Belts
• Airbag
• Anti-Lock/traction Control
• Automatic HVAC System
• Automatic Trans
• Axle Shafts
• Basic Trouble Shooting
• Blowers, Superchargers & Turbochargers
• Body Collision Repair
• Body Collision Repair: Removal & Installation
• Body Exterior
• Body Interior
• Brake System
• Brakes
• Cabin Air Filter
• Charging System
• Check Lists
• Clutches Manual & Hydraulic
• Cooling Fan
• Cooling System (Mechanical)
• Cruise Control Systems
• Diagnostic Connector Locations
• Differentials & Drive Axles
• Door Locks & Anti-Theft Systems
• Drive Cycles
• Driveline/axles
• Driveshaft & Universal Joints
• DTC Index
• Electrical Component Locations
• Electrical Equipment
• Electrical Equipment - General Information
• Emission Applications
• Engine
• Engine Cooling System - 3.2L V6 4V - Bhe
• Engine Performance
• Exhaust
• Exterior Body Panels
• Fuel Supply System
• Fuel System
• Fuses & Circuit Breakers
• Heating & Air Conditioning
• Identification
• Ignition System
• Manual Trans
• Mechanical
• Mechanical - Hydraulic
• Metric Conversions
• Procedures
• Rear Final Drive 02D
• Reset Procedures
• Restraints
• Specifications
• Starter
• Steering
• Suspension Front
• Suspension Rear
• Suspension, Wheels, Steering
• Timing Belt
• Traction Control Disable
• Transmission
• Wheel & Tire System
• Wheel Alignment
• Wheel and Tire Guide

Repair manual

Heating & Air Conditioning Audi TT 8N facelift

Step-by-step instructions on "Heating & Air Conditioning" for Audi TT 8N facelift (2003–2006). Pick an article — removal, installation, adjustment and diagnostics with illustrations.

83subsections

83articles

85illustrations

Function

1 article

• Function

Coding table

1 article

• Coding table

Basic Setting (function 04)

1 article

• Basic Setting (function 04)

Control Module, coding (function 07)

1 article

• Control Module, coding (function 07)

Read Measuring Value Block (function 08)

1 article

• Read Measuring Value Block (function 08)

Display group 001 - Compressor cut-off conditions, voltage for A/C clutch and at terminal 15

1 article

• Display group 001 - Compressor cut-off conditions, voltage for A/C clutch and at terminal 15

Display group 002 - Temperature regulator flap motor -V68

1 article

• Display group 002 - Temperature regulator flap motor -V68

Display group 003 - Central air flap motor -V70

1 article

• Display group 003 - Central air flap motor -V70

Display group 004 - Footwell/defroster flap motor -V85

1 article

• Display group 004 - Footwell/defroster flap motor -V85

Display group 005 - Air flow flap motor -V71

1 article

• Display group 005 - Air flow flap motor -V71

Display group 006 - Calculated ambient temperature for outside air temperature display -G106-, measured values from fresh air intake duct temperature sensor -G89- and outside air t

1 article

• Display group 006 - Calculated ambient temperature for outside air temperature display -G106-, measured values from fresh air intake duct temperature sensor -G89- and outside air t

Display group 007 - Sender for outlet temperature, floor outlet -G192-, instrument panel interior temperature sensor -G56-, calculated coolant temperature

1 article

• Display group 007 - Sender for outlet temperature, floor outlet -G192-, instrument panel interior temperature sensor -G56-, calculated coolant temperature

Display group 008 - Voltage at fresh air blower -V2- and voltage at terminals 58d/s

1 article

• Display group 008 - Voltage at fresh air blower -V2- and voltage at terminals 58d/s

Display group 009 - Engine speed (RPM), vehicle speed, auxiliary heater and key allocation

1 article

• Display group 009 - Engine speed (RPM), vehicle speed, auxiliary heater and key allocation

Display group 010, display fields 1 - 3 - Excessive coolant temperature signal, A/C compressor cut-in/out, A/C pressure switches -F129-/-G65, signal from convertible top control mo

1 article

• Display group 010, display fields 1 - 3 - Excessive coolant temperature signal, A/C compressor cut-in/out, A/C pressure switches -F129-/-G65, signal from convertible top control mo

Display group 010, display field 4 - Signal from convertible top control module -J256

1 article

• Display group 010, display field 4 - Signal from convertible top control module -J256

Display group 011 (last four compressor cut-off conditions recognized)

1 article

• Display group 011 (last four compressor cut-off conditions recognized)

Resistance values (dependent on ambient temperature) for temperature sensors in k ohms

1 article

• Resistance values (dependent on ambient temperature) for temperature sensors in k ohms

A/C refrigerant system, safety measures

1 article

• A/C refrigerant system, safety measures

A/C refrigerant system, general repair guidelines

1 article

• A/C refrigerant system, general repair guidelines 1

Commercial designation

1 article

• Commercial designation

Color

1 article

• Color

Airborne properties

1 article

• Airborne properties

Solubility of refrigerant oil

1 article

• Solubility of refrigerant oil

Effects on the environment

1 article

• Effects on the environment

Toxicity

1 article

• Toxicity

Temperature/pressure relationship

1 article

• Temperature/pressure relationship

Effects on plastics

1 article

• Effects on plastics

Effects on metal

1 article

• Effects on metal

Critical temperature/critical pressure

1 article

• Critical temperature/critical pressure

Water solubility

1 article

• Water solubility

Flammability

1 article

• Flammability

Refrigerant containers

1 article

• Refrigerant containers

Leak detection

1 article

• Leak detection

A/C refrigerant oil (PAG), properties

1 article

• A/C refrigerant oil (PAG), properties

A/C refrigerant system, servicing

1 article

• A/C refrigerant system, servicing 1

A/C pressure switch -F129-, switch functions

1 article

• A/C pressure switch -F129-, switch functions 1

Checking

1 article

• Checking 1

A/C refrigerant system, quick coupling service connections

1 article

• A/C refrigerant system, quick coupling service connections 3

A/C Clutch -N25-, servicing

1 article

• A/C Clutch -N25-, servicing 13

A/C system control and regulation components in engine compartment and rear body

1 article

• A/C system control and regulation components in engine compartment and rear body 1

Receiver drier, removing and installing

1 article

• Receiver drier, removing and installing 1

Condenser, removing and installing

1 article

• Condenser, removing and installing 2

Refrigerant pipes on expansion valve, removing and installing

1 article

• Refrigerant pipes on expansion valve, removing and installing 1

Expansion valve, removing and installing

1 article

• Expansion valve, removing and installing 2

Refrigerant pipes on compressor, removing and installing

1 article

• Refrigerant pipes on compressor, removing and installing 1

A/C Compressor - 4-cyl. engine, removing from bracket (refrigerant pipes remain connected)

1 article

• A/C Compressor - 4-cyl. engine, removing from bracket (refrigerant pipes remain connected) 2

A/C compressor, removing and installing

1 article

• A/C compressor, removing and installing

A/C system control and regulation components in passenger compartment

1 article

• A/C system control and regulation components in passenger compartment 1

A/C Control Head -E87-, removing and installing

1 article

• A/C Control Head -E87-, removing and installing 2

Interior temperature sensor fan -V42-, removing and installing

1 article

• Interior temperature sensor fan -V42-, removing and installing 1

Control module for fresh air blower -J126-, removing and installing

1 article

• Control module for fresh air blower -J126-, removing and installing 1

Sender for outlet temperature, floor outlet -G192-, removing and installing

1 article

• Sender for outlet temperature, floor outlet -G192-, removing and installing 1

Fresh air blower -V2-, removing and installing

1 article

• Fresh air blower -V2-, removing and installing 4

Sunlight photo sensor -G107-, removing and installing

1 article

• Sunlight photo sensor -G107-, removing and installing 5

Footwell/defroster flap motor -V85-, removing and installing

1 article

• Footwell/defroster flap motor -V85-, removing and installing 1

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

Fresh air intake duct temperature sensor -G89-, removing and installing

1 article

• Fresh air intake duct temperature sensor -G89-, removing and installing 1

Air flow flap motor -V71-, removing and installing

1 article

• Air flow flap motor -V71-, removing and installing 3

Heating and A/C unit (with heater core and evaporator), removing and installing

1 article

• Heating and A/C unit (with heater core and evaporator), removing and installing 2

Heater core/coolant flow direction configurations

1 article

• Heater core/coolant flow direction configurations 20

Refrigerant pipe seal at evaporator, installing

1 article

• Refrigerant pipe seal at evaporator, installing 1

Air distribution system (air vents and ducts), servicing

1 article

• Air distribution system (air vents and ducts), servicing 3

Undamaged instrument panel vents, removing and installing

1 article

• Undamaged instrument panel vents, removing and installing 1

Windshield defroster vent, removing and installing

1 article

• Windshield defroster vent, removing and installing

Defroster vent air duct, removing and installing

1 article

• Defroster vent air duct, removing and installing 3

Footwell duct/vent, removing and installing

1 article

• Footwell duct/vent, removing and installing

Heater core, removing and installing

1 article

• Heater core, removing and installing

Tensioning strap, installing

1 article

• Tensioning strap, installing

Evaporator seal, installing

1 article

• Evaporator seal, installing

Identifying malfunctions if specified values are not obtained

1 article

• Identifying malfunctions if specified values are not obtained

Damaged instrument panel vents, removing and installing

1 article

• Damaged instrument panel vents, removing and installing

Dust and pollen filter, removing and installing

1 article

• Dust and pollen filter, removing and installing 1

Air extraction vents, checking

1 article

• Air extraction vents, checking

A/C refrigerant system pressures, checking

1 article

• A/C refrigerant system pressures, checking

If A/C refrigerant system pressure is less than specified on chart, system is low on refrigerant

1 article

• If A/C refrigerant system pressure is less than specified on chart, system is low on refrigerant

If A/C refrigerant system pressure corresponds to or is higher than pressure specified on chart (vehicles with expansion valve and receiver drier)

1 article

• If A/C refrigerant system pressure corresponds to or is higher than pressure specified on chart (vehicles with expansion valve and receiver drier) 1

A/C refrigerant system, replacing components

1 article

• A/C refrigerant system, replacing components

For leaking or damaged components (except for compressor and receiver drier), A/C system was completely empty (no charge)

1 article

• For leaking or damaged components (except for compressor and receiver drier), A/C system was completely empty (no charge)

For leaky or damaged components (except for the compressor and receiver drier) there is still refrigerant oil in the system component that must be accounted for when replacing

1 article

• For leaky or damaged components (except for the compressor and receiver drier) there is still refrigerant oil in the system component that must be accounted for when replacing

A/C refrigerant system, discharging

1 article

• A/C refrigerant system, discharging 1

A/C refrigerant system, evacuating and recharging

1 article

• A/C refrigerant system, evacuating and recharging