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Aem 30-2501 Aq-1 Obd2 Data Logger on

US $499.99

Los Angeles, California, United States

Los Angeles, California, United States
Condition:New Manufacturer Part Number:AEM-30-2501 Brand:AEM Electronics UPC:0672713966845


AEM AQ-1 OBD2 Data Logger



AEM Electronics

The AQ-1 OBDII Data Logger (PN 30-2501) and AQ-1 OBDII wiring harness (PN 30-2907-96) may be the ultimate data acquisition device for sportsman racers and track day enthusiasts with 2008-up model year vehicles! It reads and records data from a 2008-up vehicle’s OBDII port using a supplied connector on the harness, providing critical engine and chassis data with minimal wiring. Just power the unit, configure the OBDII data in the free setup software and it’s ready to start logging. It also has the ability to read and clear diagnostic trouble codes (DTCs) from the OBDII port.

In addition to reading data from a vehicle's OBDII port, the AQ-1 OBDII Data Logger includes 8 analog input channels, 3 switched digital inputs, a serial port for GPS, an on-board 3-axis accelerometer and AEMnet CAN bus cable for daisy-chaining AEMnet equipped devices into the logger and storing all data in one file! See available AEMnet devices below.


  • 30-0300 X-Series Wideband UEGO AFR Gauge (LSU4.9)
  • 30-0301 X-Series Oil/Fuel Pressure Gauge 0 to 100psi / 0 to 7bar
  • 30-0302 X-Series Oil/Transmission/Water Temperature Gauge 100 to 300F / 40 to 150C
  • 30-0305 X-Series EGT Gauge 0 to 1800F / 0 to 1000C
  • 30-0306 X-Series Boost Gauge -30inHg to 35psi / -1 to 2.5bar
  • 30-0307 X-Series Oil Pressure Gauge 0 to 150psi / 0 to 10bar
  • 30-0308 X-Series Boost Gauge -30inHg to 60psi / -1 to 4bar
  • 30-0309 X-Series Boost/Fuel Pressure Gauge 0 to 15psi SAE Only
  • 30-0310 X-Series Inline Wideband UEGO AFR Controller (LSU4.9)
  • 30-0313 X-Series GPS Speedometer Gauge 0 to 160mph / 0 to 260kph
  • 30-2203 Vehicle Dynamics Module
  • 30-2340 4 Channel Wideband UEGO Controller
  • 30-4900 Wideband Failsafe Gauge
  • 30-4911 Flex Fuel Wideband Failsafe Gauge
  • 30-6905 Universal Programmable Engine Manement System. EMS 4 (available upgrade path)
  • 30-71XX Infinity ECU (All models and firmwares, available upgrade path)
  • N/A Series 2 Plug & Play Engine Management System (available upgrade path)



The AQ-1 OBDII Data Logger includes an on-board 3-axis accelerometer and is expandable through eight supplied analog inputs, three switched digital inputs, AEMnet CAN bus, and an RS232 serial connection. These allow you to add specific channels that may not be present on the OBDII datastream including:

Four 0-5V analog inputs with software selectable 2.2k pullup resistor for thermistor (temp) sensors. 0-5v examples: AFR, Boost, Boost before/after intercooler, MAP, Exhaust Backpressure, Crankcase Pressure, Fuel Pressure, Oil Pressure, Clutch Pressure, Brake Pressure, Shock Travel. Thermistor examples: Air Temp, Coolant Temp, EGT, Trans Temp

  • Four 0-5V/0-16.5V analog or Frequency inputs for all of the above plus RPM, Driveshaft Speed, Wheel Speed and Turbo Speed
  • Three switched digital inputs for Clutch Switch, Line Lock, Nitrous Switch, Line Lock, etc.
  • RS232 Serial connection for GPS, older AEM engine management systems that transmit data through serial, etc.
  • AEMnet CAN bus for daisy chaining X-Series Wideband Controllers and performance gauges, 4-Channel Wideband AFR Controller and Wideband Failsafe gauges, Vehicle Dynamics Module to add GPS and gyrometer, or Infinity ECU, Series 2 or EMS-4 EMS systems (future upgrade path)


AEM’s AQ-1 Setup Software is intuitive and easy to use. Configuring the OBDII data is as simple as connecting permanent power, switched power and ground, connecting the OBDII plug and connecting the AQ-1 OBDII Data Logger to the vehicle. On average 20-40 data channels are transmitted. Simply select the channels you wish to log from the datastream, set the logging rate, name the channels if they are not already named and it is ready to go.

The setup screen is broken into a Navigation Tree for your available input channels, Device Info area for data rate and available memory, a Status Bar and a Center Pane to enable and name available logging channels. Setting logging conditions, channel options, calibration data, lap beacons, reading battery voltage, configuring the accelerometer and serial input and more are found in easily navigable subpages.

The inclusion of an AEMnet CANbus input allows for the addition of multiple channels from AEMnet equipped devices through a simple one plug connection. Adding GPS for track mapping with a Vehicle Dynamics Module (VDM), wideband AFR, pressure or temp data from X-Series Digital Performance Gauges, individual cylinder AFR from 4-Channel Wideband Controllers, engine data from an Infinity ECU or Series 2/EMS-4 Programmable Engine Management System and more is all possible without the need to wire additional inputs into the unit.


AEMdata analysis software features advanced 3D graphics and a user-friendly interface. It allows users to review and playback vehicle, driver or engine data and overlay this data using charts, dash displays, gauges, or custom displays that you create, or you can select pre-defined templates. All channels are listed in the AEMdata set up menu. Users simply drag and drop the channel that they want to analyze into the window and it will display. AEMdata has powerful features including custom math channels, x/y plots and histograms, stage or circuit modes and more, all aimed at making sure you get the most out of your data. Track mapping is achieved through GPS or a combination of vehicle speed and accelerometer data, and adding data overlays to HD video is possible using the software’s powerful video encoding feature.

AQ-1 OBDII Data Logger Features:

  • Reads/logs channels from the OBDII port of 2008-up vehicles!
  • All data (OBDII, sensors, daisy-chain) saved to single log file with real-time clock!Reads and clears trouble codes
  • Easy to set up using intuitive free Setup software
  • Four analog inputs for measuring frequency (RPM), 0-5 V or 0-16.5 V
  • Four 0-5 V analog inputs with optional pullup resistor for RTD/Thermistor-style sensor
  • Three switched digital inputs, 16.5 V MAX
  • AEMnet connection included for easy connection to AEMnet enabled devices
  • RS-232 serial input included for adding NMEA0183 GPS device
  • Internal 3-axis accelerometer (+/- 4g MAX)
  • Logging rates of up to 1000 samples/second per channel
  • 2GB removable SD card included for log files (Up to 32GB compatible)
  • Compact size (4.8" x 4.55" x 1.44") and weather resistant when included protective outer boot is used
  • Track mapping capability
  • Data downloadable via USB port on the AQ-1, weatherproof USB bulkhead in harness or by pulling the SD card
  • Free AEMdata analysis software with HD video encoding for adding data overlays to videos

Product Condition
100% brand new and ready to ship!
Payment Instructions


  • US Buyers: PayPal.
  • International Buyers: PayPal or wire transfer.
  • Payment must be received within 10 days of auction closing.
  • Sales tax will apply to all California purchases.

Credit Cards

  • Please email us if you would like to pay by credit card.
  • Credit card payments are settled via phone call.
  • We only ship to credit card billing addresses, no exception.
  • Billing address & shipping address must be the same.
  • Safe and easy transaction. All information will be confidential.
  • We will ONLY ship to confirmed addresses.
  • Payment will be refunded to buyers with an unconfirmed address.
  • Seller reserves the right to refuse payment for security reasons.
Shipping Instructions

International Customers

  • Most orders ship via USPS Exress Mail.
  • We handle oversize and overweight packages oversea.
  • Oversize packages normally ship by door-to-door service, shipping cost varies by country & location.
  • Seller reserves the right to request the correct cost for shipping due to heavy weight and varying destinations before releasing packages. Thank you for understanding.
  • Please allow 6~10 days for order processing and customs declaration.
  • Insurance is included, however, buyer assumes all risks on shipping.
  • Subject to import duty fees and brokerage fees, including Canada customers.

US Customers

  • Most orders will ship via FedEx Ground or USPS Priority Mail.
  • Expedited service (except Saturday delivery) is available with extra charge - please email for shipping rate.
  • Order will ship 1~5 business days after payment is received.
Terms & Policies
  • Order will be processed between Monday to Friday.
  • Items will ship with appropriate packaging.
  • Items are only shipped after correct payment amount is received.
  • We do combined shipping on multiple items.
  • We do not provide the service of using buyer's personal shipping account or local pickup.
  • We will not be responsible for wrong orders requested from buyer.
  • Backorder items will be notified by email within 5 business days.
  • We will issue a full refund if the item is expected to be backordered for more than 14 days.
  • All sales are final. No return/refund/exchange accepted, except for incorrect item or defective items received.
  • Incorrect or defective items must be claimed within 7 days after package is received.
  • Failure to complete the transaction will be reported to eBay and results in negative feedback.



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