STEP 1: Plug ELM327 Bluetooth into Car’s OBD Port
STEP 2: Turn ON Car Ignition
STEP 3: Pair ELM327 Bluetooth
On your device — go to “Settings” > “Bluetooth”. Connect to Bluetooth signal with name similar to these examples: OBDII, ELM327, VLink, Can OBDII, etc.
STEP 4: Configure OBD App To Detect Bluetooth
Launch your OBD App.
Go to Settings and configure it to look for Bluetooth. (See this article demonstrating settings we had to change in “Torque LITE” for it to connect. Same principle applies to any OBD application.)
STEP 5: Connect To Your Car
OBD App should now successfully connect to your vehicle.
The 16-pin diagnostic link connector (DLC) should be located in the passanger or driver’s compartment, under the steering wheel.
STEP 2: Turn ON Car Ignition and Then Plug in ELM327 Bluetooth Scan Tool into Cars Port
FIRST Turn ON cars ignition (one position before engine starts). And then…
Plug ELM327 Bluetooth scanner into cars connector.
Double-click the icon in the system tray.
Click “Add”.
The “Add Bluetooth Device Wizard will appear:
Check the “My Device is set up and ready to be found” check box, then click the “Next” button.
Click on “CAN OBDII” (may also show up as “CBT”). Then click “Next”.
Windows XP:
Select “Use the passkey found in the documentation“.
Windows Vista/7/8:
Select “Enter the device’s pairing code”
Enter: 6789
Then click “Next”.
If “6789″ doesn’t work, then try “1234″ or “0000″.
Once it’s setup, the wizard will display the COM port numbers:
Write down the number of the Outgoing COM port. You will need it later to configure the diagnostics software.