Knowledgebase: TOAD
How to Install ALDL USB Cable on Windows and OBD Software
Posted by Alex (Im) E. on 29 January 2013 11:12 PM
aldl usb obd cable
Typical ALDL USB Car Diagnostic Cable
This article will guide you on how to install ALDL USB cable on your Windows system. It will then successfully work with OBD-I software (like award-winning TOAD) and your car.

(If this step is missed, then OBD software is not going to work. So it's CRUCIAL that you follow below steps).

Other Resources:

   >Where to buy ALDL Cable: USA / Australia

 

STEP 1: Refer To Guide Included With Your ALDL Cable

Most ALDL cables come with a CD (drivers) and installation instructions. Refer to their instructions first.

Otherwise, proceed to Step 2.

 

STEP 2: Drivers

Download ALDL Cable Drivers here.

Then unextract the file anywhere on your computer.

 

STEP 3: Plugin ALDL to Any USB Port On Your Computer

Once you plug-in the cable into your computer — Windows Vista, 7, 8 will likely install drivers automatically. Without you having to do anything. In which case you can immediately connect other end to the car, load up the OBD software and start scanning/tuning.

Windows XP will ask you to specify/browse location of where drivers are found. Choose the same folder where you extracted drivers in STEP 2 above. It'll then install and you're all setup!

If driver install fails, then you can retry inside Control Panel. Here's how...

  • Windows Vista/7/8: Control Panel » System » Device Manager
  • Windows XP: Control Panel » System » "Hardware" tab » Device Manager

You'll then see a device similar to "USB Serial Port" under either "Other devices" or "Ports (COM & LPT)".

Right-click and choose "Update Driver Software". Like this:

Then select the folder in Step 2 above.

 

STEP 4: Discover What Port Number Your ALDL Cable is Using

Go to Control Panel.

  • Windows Vista/7/8: Control Panel » System » Device Manager
  • Windows XP: Control Panel » System » "Hardware" tab » Device Manager

Expand "Other devices" or "Ports (COM & LPT)". Whichever contains "USB Serial Port".

Next to "USB Serial Port" — you'll see a number. Keep note of that number. EG: COM5.

You'll have to specify that inside OBD software, so that it can recognize the cable.

 

STEP 4: Finished

All that's left now is to plug the other end of ALDL cable to your cars port.

Launch OBD1 software like TOAD — specify within the software your ALDL COM port number (as per Step 4 above), and Connect!

 

 

 

Test If ALDL Cable Interface is Communicating with Windows

Use this ALDL tester software to verify that your ALDL cable is recognized and properly installed to Windows.

It'll also tell you what COM port number (as discussed in Step 4 above), your ALDL cable is using.

aldl cable tester software

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