Is ALDL same as OBD1?

Assembly Line Diagnostic Link or ALDL is a proprietary on-board diagnostics system developed by General Motors before the standardization of OBD-2. It was previously called Assembly Line Communications Link or ALCL. The two terms are used interchangeably.

What is an ALDL cable?

What is an ALDL Cable? An ALDL cable is an OBD1 diagnostic scantool suitable for diagnosing engine fault codes and live engine data found in VR-VY Holden Commodores! The ‘language’ spoken is called ALDL (Assembly Line Diagnostic Link), it is a very unique protocol that General Motors implemented on our commodores.

What is the best OBD2 software?

Best OBD2 & Diagnostic Software – Top 5 in 2021 Comparison…

  • TOAD.
  • Palmer Performance PCMSCAN.
  • OBD Auto Doctor.
  • FORScan.
  • Autoenginuity.

What is the best free OBD2 software?

✔️Best Free ELM327 Software Download for Windows, Android and iPhone

  • Car Scanner ELM OBD2.
  • OBD Auto Doctor.
  • Torque Pro.
  • Dash.
  • OBD Car Doctor.

How many pins is OBD1?

12 Pins
OBD1 12 Pins to OBD2 16 Pins Adapter Cable Diagnosis OBD II Adapter Scanner Cable Connector for GM.

Can OBD2 Scanner Tool read OBD1?

Can I Use an OBD2 Scanner for OBD1? Yes. But you need an OBD1 to OBD2 connector. Some OBD2 Scanners cover both OBD1 and OBD2 vehicles, which means you can use an OBD2 scanner to diagnose an OBD1 car.


In terms of Holden Commodores: VR,VS,VT,VX,VY and VZ Holden Commodores all use the ALDL protocol to communicate with the major car components. The exception to this is all LS1 V8 ECUs and VZ ECUs require an OBD2 Cable to view engine data. VZ Commodore – ALDL, OBD2 via CAN. VE Commodore – OBD2 via CAN.

How do I use WinALDL?

Select the ECM type in WinALDL which matches your ECM. Make sure the ALDU1 is connected to the laptop prior to starting the software. Turn your key off, connect the ALDU1 to the car, and start the software. Turn the car on, it should connect.

Is Toad OBD software any good?

I am very impressed with this software and would highly recommend your product to anyone who is looking for a low cost vehicle diagnostics tool. This tool in just 2 days saved me hours of time and I look forward to using this product on other vehicles going forward. This was the best $127 I have spent in a long time.

Can I use my laptop as a OBD scanner?

Bring your laptop to your vehicle. Connect the OBD-II scan cable from the laptop to the diagnostic port on your vehicle, usually located in the driver’s side foot well, below the steering well. Click the “Scan” button on the control interface, if required.

Where can I get a free OBD2 scan?

At a local auto parts store

  • Advance Auto Parts.
  • AutoZone.
  • Napa Auto Parts.
  • O’Reilly Auto Parts.
  • Pep Boys Auto Parts.

How can you tell the difference between OBD1 and OBD2?

1. OBD1 is connected to the console of a car, while OBD2 is remotely connected to the vehicle. 2. OBD1 was used during the earlier years of the car manufacturing industry, while OBD2 was only introduced in car models produced in the early 1990’s.

How to connect ALDL USB cable to OBD software?

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

How can I get OBD data from my computer?

1 – A PC computer, preferably a laptop, to collect, log, and analyze the OBD data. 2 – An ALDL cable to interface your PC computer to the ALDL OBDI diagnostic port on your car. 3 – A software program running on your PC to capture the OBD data.

What kind of software does OBD auto Doctor use?

OBD Auto Doctor is available for Windows, Mac and Linux. Offers software for Elm and mOByDic based interfaces. A SourceForge project that provides a GUI for controlling ELM327 devices.

Is there open source software for logging OBD data?

Open source software for logging OBD-II PID data. The sampling periods/rates can be customized for each PID. Runs primarily on Linux, but also on Windows if you install a Perl interpreter. Includes SYSV init scripts for running on the Raspberry Pi in dedicated “headless” mode.