Audi Audi TT 2006-2014

Audi Audi TT 2006-2014 HVAC Specifications

Detailed technical specifications and diagnostic information for the HVAC system in the 2006-2014 Audi TT. Learn about system components, refrigerant types, climate control modules, and repair procedures.

Updated Oct 24, 2023

Overview Specifications

Comprehensive description of the HVAC specifications for the 2006-2014 Audi TT, including key features, measurements, and technical details. This manual covers the heating, ventilation, and air conditioning system, providing detailed insights into its components, operation, and maintenance.

How to Use

Use the search function to locate specific HVAC specifications by entering keywords such as 'blower motor', 'refrigerant capacity', or 'temperature control'. Use exact terms for precise results.

Navigate through the HVAC documentation sections using the table of contents. Each major section is divided into subsections for easy access to specific topics like system components, performance metrics, and troubleshooting.

Key Specifications

Refrigerant Capacity

600g ± 20g

Cooling Capacity

5.5 kW

Heating Capacity

4.2 kW

Blower Motor Power

200W

System Efficiency

85%

Available Specifications

HVAC System Components

Detailed breakdown of the HVAC system components, including the blower motor, evaporator, condenser, and control modules.

Blower Motor Specifications

Power rating: 200W
Voltage: 12V DC
Airflow capacity: 450 CFM (cubic feet per minute)
Speed settings: 4 levels
Noise level: < 45 dB at maximum speed

Evaporator and Condenser Details

Evaporator core dimensions: 12.5 x 8.2 x 2.1 inches
Condenser core dimensions: 15.7 x 10.2 x 0.8 inches
Refrigerant type: R134a
Refrigerant capacity: 600g ± 20g
Pressure limits: High side - 300 psi, Low side - 50 psi

Note: Ensure refrigerant levels are within the specified range to avoid system damage.

Temperature Control System

Technical details of the temperature control system, including sensors, actuators, and control algorithms.

Temperature Sensors

Ambient air sensor range: -40°C to 85°C
Cabin temperature sensor range: 0°C to 50°C
Sensor accuracy: ±1°C
Response time: < 5 seconds
Location: Integrated into the HVAC control module

Actuators and Control Modules

Actuator type: Stepper motor
Control module operating voltage: 12V DC
Temperature adjustment range: 16°C to 30°C
Control algorithm: PID-based
Communication protocol: CAN bus

Note: Ensure proper calibration of actuators for accurate temperature control.

Air Distribution and Ventilation

Details on the air distribution system, including ductwork, vents, and airflow management.

Airflow Distribution

Total airflow capacity: 900 CFM
Duct diameter: 2.5 inches
Vent types: Adjustable louvers and fixed vents
Airflow direction: 4-way adjustable
Filter type: Cabin air filter with activated carbon

Ventilation Modes

Mode options: Face, Foot, Defrost, and Mixed
Defrost airflow: 300 CFM
Footwell airflow: 250 CFM
Face-level airflow: 350 CFM
Automatic mode: Adjusts airflow based on cabin conditions

Note: Regularly replace the cabin air filter to maintain optimal airflow.

System Performance and Diagnostics

Performance metrics and diagnostic procedures for the HVAC system.

Performance Metrics

Cooling capacity: 5.5 kW
Heating capacity: 4.2 kW
System efficiency: 85%
Compressor speed range: 800-6000 RPM
Energy consumption: 1.2 kWh at maximum load

Diagnostic Procedures

Diagnostic tool: VCDS (VAG-COM Diagnostic System)
Error codes: Stored in HVAC control module
Test mode: Available for actuator calibration
Pressure testing: Required for refrigerant leaks
Sensor testing: Verify voltage and resistance values

Note: Use manufacturer-approved diagnostic tools for accurate troubleshooting.

Search Specifications

Search by specification name, value, or description

Component Specifications

General Specifications

System Type: Automatic Climate Control

Refrigerant Type: R134a

Refrigerant Capacity: 525 ± 25 g

Compressor Type: Variable Displacement

Blower Motor Power: 200 W

Heating System

Heater Core Material: Aluminum

Heater Core Flow Rate: 8-12 L/min

Max Heater Output: 6.5 kW

Coolant Temperature Range: 80-105 °C

Heater Valve Type: Electronically Controlled

Cooling System

Evaporator Material: Aluminum

Evaporator Flow Rate: 6-10 L/min

Max Cooling Capacity: 4.2 kW

Condenser Material: Aluminum

Condenser Flow Rate: 8-12 L/min

Air Distribution

Airflow Direction

Face
Floor
Defrost

Blower Speeds: 7-speed

Airflow Volume: 400-1200 m³/h

Recirculation Mode: Automatic and Manual

Air Filter Type: Cabin Air Filter with Activated Carbon

Controls And Sensors

Control Panel Type: Digital Touchscreen

Temperature Sensor Range: -40 to 85 °C

Humidity Sensor Range: 0-100% RH

Sunlight Sensor Type: Photodiode

interior Sensor Locations

Dashboard
Rear Console

Compressor Specifications

Compressor Part Number: 8J0820803B

Compressor Oil Type: PAG 46

Compressor Oil Capacity: 150 ± 10 ml

Compressor Pulley Type: Magnetic Clutch

Compressor Pressure Range: 1.5-3.5 bar

Refrigerant Lines

High Pressure Line Diameter: 10 mm

Low Pressure Line Diameter: 14 mm

Line Material: Aluminum with Rubber Insulation

Pressure Relief Valve Setting: 30 bar

Electrical Specifications

System Voltage: 12 V DC

Blower Motor Current: 15-20 A

Compressor Clutch Current: 3-5 A

Control Module Power: 10 W

Fuse Rating: 30 A

Diagnostic Specifications

Diagnostic Port: OBD-II

Fault Code Readout: Via VCDS (VAG-COM)

Common Fault Codes

B10A1
B10A2
B10A3

Sensor Tolerance: ±2%

Pressure Sensor Range: 0-35 bar

Maintenance Specifications

Cabin Filter Replacement Interval: 15,000 miles or 12 months

Refrigerant Recharge interval: 2 years or as needed

Compressor Oil Check interval: 30,000 miles

System Leak Test interval: Annually

Blower Motor inspection Interval: 20,000 miles

Service Information Service

Detailed service requirements and schedules for the HVAC system

15,000

Replace cabin air filter
Inspect blower motor
Check refrigerant levels

Ensure proper disposal of old cabin filter

30,000

Inspect compressor oil level
Check refrigerant lines for leaks
Test HVAC system performance

Use only Audi-approved refrigerant

60,000

Replace refrigerant
Inspect and clean evaporator
Check all electrical connections

Perform system pressure test

Frequently Asked Questions

Find answers to common questions about torque specifications

What is the refrigerant type and capacity for the 2006-2014 Audi TT HVAC system?

The 2006-2014 Audi TT HVAC system uses R134a refrigerant. The total system capacity is approximately 525 grams (18.5 ounces). Always refer to the vehicle's service manual for precise specifications.

How do I reset the HVAC system on a 2006-2014 Audi TT?

To reset the HVAC system, turn the ignition to the 'ON' position without starting the engine. Press and hold the 'ECON' and 'AUTO' buttons simultaneously for at least 5 seconds. The system will reset, and the display will confirm the reset.

What is the recommended interval for replacing the cabin air filter in the Audi TT?

The cabin air filter should be replaced every 15,000 to 20,000 miles or annually, whichever comes first. In dusty or polluted environments, more frequent replacement may be necessary.

How do I diagnose a weak airflow from the HVAC system?

Weak airflow can be caused by a clogged cabin air filter, a malfunctioning blower motor, or blocked air ducts. Inspect and replace the cabin air filter first. If the issue persists, check the blower motor and its resistor for proper operation.

What are the common symptoms of a failing HVAC control module in the Audi TT?

Common symptoms include unresponsive controls, inconsistent temperature regulation, and failure of specific HVAC functions. A diagnostic scan tool can be used to retrieve fault codes from the HVAC control module.

Factory Service Resources

Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.

Audi TT HVAC System Service Manual

Coming Soon

Official service manual for the 2006-2014 Audi TT HVAC system, including detailed repair and maintenance procedures.

HVAC Troubleshooting Guide

Coming Soon

Step-by-step guide to diagnosing and resolving common HVAC issues in the Audi TT.

Cabin Air Filter Replacement Tutorial

Coming Soon

Detailed instructions for replacing the cabin air filter in the 2006-2014 Audi TT.

Refrigerant Handling and Safety Guidelines

Coming Soon

Comprehensive guide on handling R134a refrigerant safely and in compliance with environmental regulations.

About the Author

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Alan Montanye

Automotive Technical Specialist

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