How To Install Elm327 Usb Cable On Windows And Obd2 Software 49431n

How to Install ELM327 USB Cable on Windows and OBD2 Software Posted by Alex (Im) E. on 13 October 2011 02:18 PM This article will guide you how to install ELM327 USB cable/scanner on your Windows computer. It will then work with OBD2 software (like award-winning TOAD) and your car. (If you don't do this, then OBD software is not going to work. So it's CRUCIAL that you follow below steps). Typical ELM327 USB Car Diagnostics Scanner

Other Resources: Guide for Installing ELM327 Bluetooth Scanner on Windows ELM327 USB Cable drivers for MAC ELM327 USB Cable drivers for Linux

STEP 1: Latest ELM-327 Drivers (Cable should NOT be connected to your laptop yet.) the following ELM327 drivers: Driver Pack 1, Driver Pack 2 Double-click to install them.

STEP 2: Plug ELM327 Cable Into Your Laptop (Cable should NOT be connected to your car yet.)

Windows 8: 1. : Driver Pack 3 2. Unextract 3. Right-click on "ser2pl.inf" (icon has a little gear pic in it) and choose "Install", as per below pic:

4. Go to: Control » System » Device Manager » Ports (COM & LPT) If you see a yellow mark, next to "prolific", like this:

Then right-click on it » Update Driver Software (If you don't see a yellow triangle, then all is ok! In which case, go to Step 6.) 5. Click "Browse my computer for driver software": 6. Select "Let me pick from a list of device drivers on my computer": 7. Select: Prolific driver version 3.3.2.102

8. Install. And that's it. The yellow triangle next to "Prolific..." should be gone.

Windows Vista/7: If drivers successfully install, skip to: Step 6 If drivers don't successfully install, go to: Step 3

Windows XP: If the "Hardware Wizard" windows opens (as shown below), just Cancel it.

Move onto Step 3...

STEP 3: Additional Drivers additional ELM327 drivers here. And unextract the ed ZIP file anywhere on your computer.

STEP 4: Access Device Manager Windows Vista/7/8: Control » System » Device Manager

Windows XP: Control » System » "Hardware" tab » Device Manager

STEP 5: Install Latest Drivers Right-click on "FT232R USB UART" or "USB Serial Port" or "Prolific USB-to-Serial" — and click on "Update Driver Software" — as per below pictures:

AND/OR...

Then Browse to the folder where you unextracted drivers from Step 3.

NOTE: If you don't see above devices in your Control , then assume everything is working, in which case go to Step 6 below.

STEP 6: Install OBD Software & Connect Cable to Car TIP: Never have more then 1 OBD software open on your computer. A) Install your OBD software. Don't launch it yet. B) Connect the cable to your computer and the car. C) Place the key in the ignition and turn it forward to the "ON" position. (Position where all

dashboard lights are on. It's one position before engine starts.) D) Launch your OBD software. Click "Connect", and it'll auto-connect to the car. TIP: If you want maximum data reported by your OBD software, you'll need to have vehicles engine running.

Troubleshooting Connection Issues: If you're unable to connect successfully in Step 6 — here's suggestions in recommended order: 1. First check that ELM327 is physically working (not defunct). When you plug in the cable into a USB port, all the lights on ELM327 interface/device should flash. And then it'll return to 1 red light (power). Condition on a defunct ELM327 interface: All lights will not flash, and only red light will be on. 2. Restart computer (while keeping cable connected to laptop). Try again. 3. Plug USB into different physical port of your computer. Try again. 4. Change "COM Port Number" to 5-6 (see how). Try again. 5. Go to your Device Manager o Windows Vista/7/8: Control » System » Device Manager o Windows XP: Control » System » "Hardware" tab » Device Manager Do you notice any Yellow marks next to any device. Like this:

If you do, then please take a screen shot of your screen. (Press "Print Screen" on your keyboard.) You can then paste it in Word, or any graphics software you own. Save the file. Submit a ticket and attach the screenshot. (We'll reply with possible fix - because picture is worth a thousand words).

Changing the COM-Port Number: Right-click on "USB Serial Port" or "Silicon Labs 210x USB to UART Bridge" and click on "Properties" — as per below pic:

Then: 1. Click: Port Settings 2. Click: Advanced 3. For "COM Port Number" — you MUST choose any number between 1-4. Ideally 1. It's it's taken, then 2. Etc.

Test If ELM327 Interface is Communicating with Windows this small test EasyOBD software. Before you launch it, close any other OBD software you have running. Connect cable to computer. (No need to connect to car yet.) Launch EasyOBD.

It will automatically connect to your cable.

If first 3 lines are GREEN (as per below pic) — then connection is working! In which case, proceed to Step 6. If first 3 lines are not GREEN — refer to Troubleshooting.