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MaxiHVAC AC909

Advanced A/C & Thermal Management Diagnostics

The Autel MaxiHVAC AC909 brings leak testing, refrigerant service, and live vehicle diagnostics together in one intelligent workflow-giving technicians complete system visibility to diagnose, repair, and verify with confidence.

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Comprehensive Automotive Thermal
& HVAC Diagnostic Solution

Features an intuitive tablet interface with step-by-step illustrated guided workflows that seamlessly connect leak testing, refrigerant service, and live vehicle diagnostics. By fusing real-time refrigerant pressure, temperature, and humidity with OBD sensor data—such as blend door functionality and outlet temperatures—onto a single analysis screen, the system delivers complete thermal system visibility. Through advanced multi-parameter graphical correlation and automated anomaly detection, technicians can easily pinpoint component defects, eliminate operational errors, and significantly increase first-time fix rates.

Complete System Visibility

Complete System Visibility

Multiple input fusion combines live refrigerant pressures, temperatures, humidity, and system measurements into a single analysis screen.

Complete System Visibility

Complete System Visibility

Including blend door functionality and outlet temperature readings.

Data Fusion

Data Fusion

Measure parameters across different components of the A/C system using OBD and dedicated A/C measurement tools, and plot multiple parameters into graphs.

Comprehensive A/C Specs

Comprehensive A/C Specs

Provides full A/C component information based on the vehicle's make, model, and year.

Guided Workflow

Guided Workflow

Complete accurate HVAC System Diagnostics with high-definition touchscreen visualization, step-by-step instructions and assistance.

 

Verify Before You Charge

Confirm system tightness, moisture removal, and refrigerant charge using integrated nitrogen testing, precision micron measurement, and live system verification.

Verify Before You Charge

Advanced Component Testing

Perform dedicated compressor, evaporator, condenser, metering device, and blockage diagnostics to pinpoint component failures with confidence.

Evaporator Check

Evaporator
Check

Condenser Check

Condenser
Check

Compressor Test

Compressor
Test

Drier Blockage Test

Drier Blockage
Test

Metering Device Test

Metering Device
Test

Built for Modern Thermal Management

Designed for today's electronically controlled A/C systems, hybrids, EVs, advanced heat pumps, and evolving refrigerant technologies. AC909 seamlessly integrates flow control valve actuation with A/C diagnostics, recovery, and recharging. Master complete EV thermal management diagnostics with a single, powerful device.

EV Thermal Management

MaxiHVAC AC909 Series

Yesterday's A/C Is Today's Thermal Management System

AC909 Diagnostics Tablet

AC909 Diagnostics Tablet

Professional tablet for A/C & Thermal management, wirelessly connecting with related accessories for quick, accurate, and comprehensive vehicle A/C servicing.

Manifold Gauge

Manifold Gauge

A wireless 4-port manifold gauge featuring an integrated vacuum gauge and a large sight glass for visual refrigerant inspection. Designed to work seamlessly with the Autel AC909, it measures, calculates, and displays live pressure, temperature, and vacuum readings.

Compressor Box

Compressor Box

A dedicated diagnostic tool for vehicle compressors, capable of identifying internal compressor faults as well as faults in associated wiring harnesses and the ECU.

Temperature Clamp

Temperature Clamp

Clamped onto the surface of the vehicle's AC refrigerant pipe to measure the temperature at the clamping point. Connects to the AC909 via Bluetooth.

Temperature & Humidity Probe

Temperature & Humidity Probe

Measures ambient temperature and humidity, cabin temperature and humidity, and vehicle AC vent temperature and humidity. Connects to the AC909 via Bluetooth.

Refrigerant Scale

Refrigerant Scale

Used for weighing refrigerant tanks and equipped with a dedicated solenoid valve for automatic refrigerant charging control.

ItemDescription
AC909 Tablet
Operating SystemAndroid 10
ProcessorOcta-core Processor
Memory4 GB RAM & 128 GB On-board Memory
Display10.1-inch LCD capacitive touchscreen with 1920 x 1200 resolution
ConnectivityWi-Fi (802.11 a/b/g/n/ac)
BT 5.0 (BR/EDR + BLE)
GPS
Two USB host type A and one USB type-C
SD Card (Support up to 256 GB)
Camera (Rear)13 MP
SensorsGravity Accelerometer
Ambient Light Sensor (ALS)
Audio Microphone
Input / OutputDual Speakers
3-band or 4-band 3.5 mm Headset Jack
Power and Battery11600 mAh 3.85 V Lithium-polymer Battery
Charging via 12 V DC Power Supply
Charging via USB Type-C Power Supply
Input VoltageDC input: 12 V/3 A
USB-C input: 5 V/1.5 A
Operating Temp.0 °C to 50 °C (32 °F to 122 °F)
Storage Temp.-10 °C to 60 °C (14 °F to 140 °F)
Dimensions 307.2 mm (12.09”) x 211.4 mm (8.32”) x 40.2 mm (1.58”)
(L x W x H)
Weight1.76 kg (3.88 lbs.)
ProtocolsDoIP, CAN FD, PLC J2497, ISO-15765, SAE-J1939, ISO-14229 UDS, SAE-J2411 Single Wire Can (GMLAN), ISO-11898-2, ISO-11898-3, SAE-J2819 (TP20), TP16, ISO-9141, ISO-14230, SAE-J2610 (Chrysler SCI), UART Echo Byte, SAE-J2809 (Honda Diag-H), SAE-J2740 (GM ALDL), SAE-J1567 (CCD BUS), Ford UBP, Nissan DDL UART with Clock, BMW DS2, BMW DS1, SAE J2819 (VAG KW81), KW82, SAE J1708, SAE-J1850 PWM (Ford SCP), SAE-J1850 VPW (GM Class2)
MaxiFlash LVCI
CommunicationsBT 4.2 + EDR
USB 2.0
Wireless Frequency2.4 GHz
Input Voltage Range9 V DC to 28 V DC
Supply Current110 mA @12 V DC
90 mA @ 24 V DC
Operating Temp.0 °C to 50 °C (32 °F to 122 °F)
Storage Temp.-10 °C to 60 °C (14 °F to 140 °F)
Dimensions 148.2 mm (5.83") x 85.5 mm (3.37") x 36.5 mm (1.44")
(L x W x H)
Weight286 g (0.63 lbs.)
AC Box (Manifold Gauge)
CommunicationsBT 5.0
Power and Battery1000 mAh Lithium-polymer Battery
Charging via Pogo Pin Connector
Charging via USB Type-C Power Supply 
Input Voltage 5V/1A
Wireless Range50 m (164 feet)
Wireless Frequency2.4 GHz
Operating Temp.0 °C to 50 °C (32 °F to 122 °F)
Storage Temp.-10 °C to 60 °C (14 °F to 140 °F)
Dimensions 268.8mm (10.58") x 81.2 mm (3.2") x 112.4 mm (4.43")
(L x W x H)
Weight1.2 kg (2.65 lbs.)
Wireless Temperature Clamp
ConnectivityBT V5.0
Battery Type2 x AAA
Pipe Size Compatibility6 mm to 30 mm (0.2" to 1.2")
Measurement Range-46°C to 125°C (-50.8°F to 257°F)
Accuracy±0.5°C (±0.9°F)
Dimensions 161.5 mm (6.36") x 100 mm (3.94") x 34 mm (1.34")
(H x W x D)
Wireless Range50 m (164 feet)
Radio Frequency2.4 GHz
Operating Temperature-20°C to 50°C (-4°F to 122°F)
Storage Temperature-20°C to 60°C (-4°F to 140°F)
Weight143 g (0.32 lbs.)
Wireless Temperature & Humidity Probe
ConnectivityBT V5.0
Power and BatteryUSB Type-C 2.5W (5V/0.5A)
340 mAh lithium-polymer battery
Input VoltageUSB-C input: 5V/0.5A
Measurement RangeTemperature: -40°C to 125°C (-40°F to 257°F)
Humidity: 10% RH to 90% RH
AccuracyTemperature: ±1°C (±1.8°F)
Humidity: ±5% RH
Wireless Range50 m (164 feet)
Radio Frequency2.4 GHz
Operating Temperature-20°C to 50°C (-4°F to 122°F)
Storage Temperature-20°C to 60°C (-4°F to 140°F)
Weight62 g (0.14 lbs.)
Dimensions 111 mm (4.37") x 50 mm (1.97") x 19 mm (0.75")
(H x W x D)
Wireless Refrigerant Scale
ConnectivityBTV5.0
Battery Type8xAA
Weighing Range0 to 100 kg (0 to 220.5 lbs.)
AccuracyAt 25°C ambient:
<+(10 g + 0.05 %rdg) (30 to 100 kg)
<+(10 g + 0.03 %rdg) (0 to 30 kg)
Resolution10 g (0.02 lbs.)


  • Description
  • Comprehensive Automotive Thermal
    & HVAC Diagnostic Solution

    Features an intuitive tablet interface with step-by-step illustrated guided workflows that seamlessly connect leak testing, refrigerant service, and live vehicle diagnostics. By fusing real-time refrigerant pressure, temperature, and humidity with OBD sensor data—such as blend door functionality and outlet temperatures—onto a single analysis screen, the system delivers complete thermal system visibility. Through advanced multi-parameter graphical correlation and automated anomaly detection, technicians can easily pinpoint component defects, eliminate operational errors, and significantly increase first-time fix rates.

    Complete System Visibility

    Complete System Visibility

    Multiple input fusion combines live refrigerant pressures, temperatures, humidity, and system measurements into a single analysis screen.

    Complete System Visibility

    Complete System Visibility

    Including blend door functionality and outlet temperature readings.

    Data Fusion

    Data Fusion

    Measure parameters across different components of the A/C system using OBD and dedicated A/C measurement tools, and plot multiple parameters into graphs.

    Comprehensive A/C Specs

    Comprehensive A/C Specs

    Provides full A/C component information based on the vehicle's make, model, and year.

    Guided Workflow

    Guided Workflow

    Complete accurate HVAC System Diagnostics with high-definition touchscreen visualization, step-by-step instructions and assistance.

     

    Verify Before You Charge

    Confirm system tightness, moisture removal, and refrigerant charge using integrated nitrogen testing, precision micron measurement, and live system verification.

    Verify Before You Charge

    Advanced Component Testing

    Perform dedicated compressor, evaporator, condenser, metering device, and blockage diagnostics to pinpoint component failures with confidence.

    Evaporator Check

    Evaporator
    Check

    Condenser Check

    Condenser
    Check

    Compressor Test

    Compressor
    Test

    Drier Blockage Test

    Drier Blockage
    Test

    Metering Device Test

    Metering Device
    Test

    Built for Modern Thermal Management

    Designed for today's electronically controlled A/C systems, hybrids, EVs, advanced heat pumps, and evolving refrigerant technologies. AC909 seamlessly integrates flow control valve actuation with A/C diagnostics, recovery, and recharging. Master complete EV thermal management diagnostics with a single, powerful device.

    EV Thermal Management

    MaxiHVAC AC909 Series

    Yesterday's A/C Is Today's Thermal Management System

    AC909 Diagnostics Tablet

    AC909 Diagnostics Tablet

    Professional tablet for A/C & Thermal management, wirelessly connecting with related accessories for quick, accurate, and comprehensive vehicle A/C servicing.

    Manifold Gauge

    Manifold Gauge

    A wireless 4-port manifold gauge featuring an integrated vacuum gauge and a large sight glass for visual refrigerant inspection. Designed to work seamlessly with the Autel AC909, it measures, calculates, and displays live pressure, temperature, and vacuum readings.

    Compressor Box

    Compressor Box

    A dedicated diagnostic tool for vehicle compressors, capable of identifying internal compressor faults as well as faults in associated wiring harnesses and the ECU.

    Temperature Clamp

    Temperature Clamp

    Clamped onto the surface of the vehicle's AC refrigerant pipe to measure the temperature at the clamping point. Connects to the AC909 via Bluetooth.

    Temperature & Humidity Probe

    Temperature & Humidity Probe

    Measures ambient temperature and humidity, cabin temperature and humidity, and vehicle AC vent temperature and humidity. Connects to the AC909 via Bluetooth.

    Refrigerant Scale

    Refrigerant Scale

    Used for weighing refrigerant tanks and equipped with a dedicated solenoid valve for automatic refrigerant charging control.

  • Specifications
  • ItemDescription
    AC909 Tablet
    Operating SystemAndroid 10
    ProcessorOcta-core Processor
    Memory4 GB RAM & 128 GB On-board Memory
    Display10.1-inch LCD capacitive touchscreen with 1920 x 1200 resolution
    ConnectivityWi-Fi (802.11 a/b/g/n/ac)
    BT 5.0 (BR/EDR + BLE)
    GPS
    Two USB host type A and one USB type-C
    SD Card (Support up to 256 GB)
    Camera (Rear)13 MP
    SensorsGravity Accelerometer
    Ambient Light Sensor (ALS)
    Audio Microphone
    Input / OutputDual Speakers
    3-band or 4-band 3.5 mm Headset Jack
    Power and Battery11600 mAh 3.85 V Lithium-polymer Battery
    Charging via 12 V DC Power Supply
    Charging via USB Type-C Power Supply
    Input VoltageDC input: 12 V/3 A
    USB-C input: 5 V/1.5 A
    Operating Temp.0 °C to 50 °C (32 °F to 122 °F)
    Storage Temp.-10 °C to 60 °C (14 °F to 140 °F)
    Dimensions 307.2 mm (12.09”) x 211.4 mm (8.32”) x 40.2 mm (1.58”)
    (L x W x H)
    Weight1.76 kg (3.88 lbs.)
    ProtocolsDoIP, CAN FD, PLC J2497, ISO-15765, SAE-J1939, ISO-14229 UDS, SAE-J2411 Single Wire Can (GMLAN), ISO-11898-2, ISO-11898-3, SAE-J2819 (TP20), TP16, ISO-9141, ISO-14230, SAE-J2610 (Chrysler SCI), UART Echo Byte, SAE-J2809 (Honda Diag-H), SAE-J2740 (GM ALDL), SAE-J1567 (CCD BUS), Ford UBP, Nissan DDL UART with Clock, BMW DS2, BMW DS1, SAE J2819 (VAG KW81), KW82, SAE J1708, SAE-J1850 PWM (Ford SCP), SAE-J1850 VPW (GM Class2)
    MaxiFlash LVCI
    CommunicationsBT 4.2 + EDR
    USB 2.0
    Wireless Frequency2.4 GHz
    Input Voltage Range9 V DC to 28 V DC
    Supply Current110 mA @12 V DC
    90 mA @ 24 V DC
    Operating Temp.0 °C to 50 °C (32 °F to 122 °F)
    Storage Temp.-10 °C to 60 °C (14 °F to 140 °F)
    Dimensions 148.2 mm (5.83") x 85.5 mm (3.37") x 36.5 mm (1.44")
    (L x W x H)
    Weight286 g (0.63 lbs.)
    AC Box (Manifold Gauge)
    CommunicationsBT 5.0
    Power and Battery1000 mAh Lithium-polymer Battery
    Charging via Pogo Pin Connector
    Charging via USB Type-C Power Supply 
    Input Voltage 5V/1A
    Wireless Range50 m (164 feet)
    Wireless Frequency2.4 GHz
    Operating Temp.0 °C to 50 °C (32 °F to 122 °F)
    Storage Temp.-10 °C to 60 °C (14 °F to 140 °F)
    Dimensions 268.8mm (10.58") x 81.2 mm (3.2") x 112.4 mm (4.43")
    (L x W x H)
    Weight1.2 kg (2.65 lbs.)
    Wireless Temperature Clamp
    ConnectivityBT V5.0
    Battery Type2 x AAA
    Pipe Size Compatibility6 mm to 30 mm (0.2" to 1.2")
    Measurement Range-46°C to 125°C (-50.8°F to 257°F)
    Accuracy±0.5°C (±0.9°F)
    Dimensions 161.5 mm (6.36") x 100 mm (3.94") x 34 mm (1.34")
    (H x W x D)
    Wireless Range50 m (164 feet)
    Radio Frequency2.4 GHz
    Operating Temperature-20°C to 50°C (-4°F to 122°F)
    Storage Temperature-20°C to 60°C (-4°F to 140°F)
    Weight143 g (0.32 lbs.)
    Wireless Temperature & Humidity Probe
    ConnectivityBT V5.0
    Power and BatteryUSB Type-C 2.5W (5V/0.5A)
    340 mAh lithium-polymer battery
    Input VoltageUSB-C input: 5V/0.5A
    Measurement RangeTemperature: -40°C to 125°C (-40°F to 257°F)
    Humidity: 10% RH to 90% RH
    AccuracyTemperature: ±1°C (±1.8°F)
    Humidity: ±5% RH
    Wireless Range50 m (164 feet)
    Radio Frequency2.4 GHz
    Operating Temperature-20°C to 50°C (-4°F to 122°F)
    Storage Temperature-20°C to 60°C (-4°F to 140°F)
    Weight62 g (0.14 lbs.)
    Dimensions 111 mm (4.37") x 50 mm (1.97") x 19 mm (0.75")
    (H x W x D)
    Wireless Refrigerant Scale
    ConnectivityBTV5.0
    Battery Type8xAA
    Weighing Range0 to 100 kg (0 to 220.5 lbs.)
    AccuracyAt 25°C ambient:
    <+(10 g + 0.05 %rdg) (30 to 100 kg)
    <+(10 g + 0.03 %rdg) (0 to 30 kg)
    Resolution10 g (0.02 lbs.)


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