Konnwei KW902 Bluetooth 5.0 ELM327 for Android and IOS

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KONNWEI OBD II adapter is a powerful car diagnostic tool developed

1:It is compliant with full OBD II/EOBD specifications. Various wireless connection modes to connect your smartphone or pad.

2:It reads the real-time car engine data, such as engine speed, ignition time, fuel trim, water temperature, fuel consumption.

3:It support a variety of OBD II apps.


 1. CLEAR CHECK ENGINE LIGHT - This iCar Pro code reader will help you save money and accurately diagnose check engine light problem. Very easy to use.

2.  EASY FITMENT - The majority of cars made in the past 2 decades are fitted with an OBD2 diagnostic port, simply find the port and plug the iCar Pro in.

3. FIT AND FORGET - It really is possible to fit and forget beacuse it's micro size and unique power saving functionality that protects your battery

4. WORKS WITH HUNDREDS OF APPS - The KONNWEI Pro Bluetooth Low Energy device works with the most popular OBD apps. Please find download instruction for Android device in product description.


Read diagnostic trouble codes, both generic and manufacturer-specific, and display their meaning. (over 3000 generic code definitions in the database).

Clear trouble codes and turn off the MIL ("Check Engine" light)

Engine RPM

Calculated Load Value

Coolant Temperature

Fuel System Status

Vehicle Speed

Short Term Fuel Trim

Long Term Fuel Trim

Intake Manifold Pressure

Timing Advance

Intake Air Temperature

Air Flow Rate

Absolute Throttle Position

Oxygen sensor voltages/associated short term fuel trims

Fuel System status

Fuel Pressure

 Tips before your purchase:

For your vehicle to be OBD II compliant it must have a 16-pin DLC (Data Link

Connector) under the dash and the Vehicle Emission Control Information

Label must state that the vehicle is OBD II compliant. To be sure your vehicle complies with OBD-II, look for a sticker on the vehicle

under the hood in the engine compartment that clearly states “OBD II compliant or certified”.

 OBD-II protocols supported:

ISO 9141, KWP2000,SAE J1850, CAN ,J1850 VPW,J1850 PWM 


For Android users:

Home screen

Go to setting page

Select V-LINK Default password is “1234”

Device paired

Run Torque app

Go to Torque app OBD II adapter setting

Choose connection type>Bluetooth

Choose Bluetooth device>V-LINK

Exit Torque app completely

Run Torque app


For iOS users:

Home screen

Go to setting page

Click on Bluetooth function

(Device name is invisible)

Run Accurate app

Go to Accurate app setting page

Select Bluetooth and connect

Exit Accurate app and run again



Supply Voltage: 11.5V—15V

Supply Current: <200Ma

Standby Current: <30Ma  ( TONWON Pro   =<3Ma )

Operating Temperature: -40--85

Operating Humidity: 5%--95%RH Non-Dewfall