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The device is a small adapter that plugged into the vehicle OBDII connector via WiFi, it is suitable for smart phones and tablets with Android system or iOS system. With associated diagnostic procedures, you need to download a driver software (TORQUE or DashCommand). With this product, you will be able to perform a complete computer diagnostic car and even to correct minor faults without resorting to service stations.


  • Display real time performance of your car, such as momentum, vehicle speed, oil pressure, coolant temperature, engine load, intake manifold pressure, throttle position and air intake temperature.
  • If the communication is terminated, this item will automatically switch to sleep mode in half a hour.
  • The adapter adopts fast and reliable chips which promise its stable wireless connection.
  • It supports all OBDII protocols: J1850 VPW, J1850 PWM, IS09141 – 2, KWP2000 and CAN.
  • Small size and compact structure, plug and play.
  • Functions

  • With proper software installed in the host device, you may have following parameters read out from your vehicle:
  • Vehicle Speed
  • RPM
  • Fuel Consumption
  • Engine Coolant Temp
  • Fuel Pressure
  • Calculated Engine Load
  • Throttle Position
  • Intake Manifold Pressure
  • Air Intake Temp
  • Timing Advance
  • Mass Air Flow
  • Fuel Level
  • Barometric Pressure
  • EVAP System Vapor Pressure
  • Fuel Trim
  • Protocols

  • 0. Automatic
  • 1. SAE J1850 PWM (41.6 Kbaud)
  • 2. SAE J1850 VPW (10.4 Kbaud)
  • 3. ISO9141-2 (5 baud init, 10.4 Kbaud)
  • 4. ISO14230-4 KWP (5 baud init, 10.4 Kbaud)
  • 5. ISO14230-4 KWP (fast init, 10.4 Kbaud)
  • 6. ISO15765-4 CAN (11bit ID, 500 Kbaud)
  • 7. ISO15765-4 CAN (29bit ID, 500 Kbaud)
  • 8. ISO15765-4 CAN (11bit ID, 250 Kbaud)
  • 9. ISO15765-4 CAN (29bit ID, 250 Kbaud)
  • A. SAE J1939 CAN (29bit ID, 250*Kbaud)
  • B. USER1 CAN (11*bit ID, 125*Kbaud)
  • C. USER2 CAN (11*bit ID, 50*kbaud)
  • Default settings (user adjustable)
  • Specifications

    Brand KONNWEI
    Model KW901
    Material Plastic
    Range 50 ft
    Antenna Internal
    Power Consumption 0.75W (with power switch)
    WiFi Protocol 802.11a/b/g
    Operating Temperature -15 ~ +100 Degree.C
    Product Size 7 x 3.5 x 3.2 cm
    Package Contents 1 x KW901 WiFi ELM327 Code Reader, 1 x CD, 1x User Manual

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