Jan 31, 2018 The ELM327 OBD2 Interface is a car diagnostic tool that is used to transmit data from OBD2 compliant vehicle to Laptop Computers, Desktop Computers, Android Smartphones, Android Tablets, iPhones and iPads. Jun 05, 2019 Bluetooth – Bluetooth ELM327 scanners also connect wirelessly with your device, but just like WiFi may incur dropped connections. Adding to this, this range of Bluetooth enabled ELM327 devices are readily available but may be incompatible with some devices such as iPhones. Oct 06, 2018 The type of ELM327 software will all depend on the make and model of your vehicle. The ELM327 microchip is primarily designed to work with modern vehicles that utilize the CAN OBD2 protocol (ISO 15765-4). However, the chip is also compatible with the following OBD2 protocols: SAE J1850 PWM (41.6 kbit/s) and VPW (10.4 kbit/s).
STEP 1: Plug Bluetooth into Car's OBD Port
It looks like this..
Car's OBD port is usually found on the driver side dashboard under the steering wheel..
Can't find car's OBD port? Locate it here.
STEP 2: Turn ON Car Ignition
This is one step before engine is powered.
STEP 3: Add and Pair ELM327 Bluetooth to Windows
1.
Right click on Bluetooth icon in task manager > Add a Device
Select ELM327 Bluetooth device. It'll come under different names like: OBDII, OBD-II, VLink, Can OBDII, etc.
NOTE: It can take up to 15 seconds for Bluetooth signal to show.
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SIGNAL NOT SHOWING?
3.
When you see list of pairing options like this:
(For Windows XP users, your option will be: Use the passkey found in the documentation)
Enter the pairing code:
Once it's paired, the wizard will display COM port numbers:
Write down the number of the Outgoing COM port. You will need it later to configure the OBD software.
Elm 327 Obd2 Software FreeSTEP 4: Launch OBD Software and Connect to VehicleObd Elm327 Bluetooth Software Download
Launch OBD Software. (We recommend professional TOAD software which is 100% compatible with Bluetooth.)
Click 'Connect' and it should automatically detect ELM327 Bluetooth device, and connect to car's ECU.
Troubleshooting Connection Issues:
If OBD software has trouble connecting to your car, then set baud rate of connection to: 9600 or 110. Hopefully the software you're using has this option inside it's Settings. For example TOAD software has option to force 9600 bits per second, which instantly fixes random disconnection issues.
If your OBD software doesn't have option to limit connection speed, then you can also limit it through Windows settings. Here's how..
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