All vehicles sold in the US after 1996 (and after 2001 in Europe) will have an OBD2 (Onboard Diagnostics 2) port. It's also called an OBD-II port and can be used to connect dedicated devices to retrieve data from the onboard computer. In many countries, the OBD2 port is a mandato...
Find the OBD2 port. Usually, you’ll find it under the dashboard, near the driver’s seat. There are other locations, however, such as under the glove compartment or between the transmission and cup holder. Plug in the OBD2 reader. You’ll need to simply connect the plug to the port...
A diagnostic scan tool plugged into an obd2 port can be used to check the fluid temperature by going into the live parameters of the transmission and inspecting the transmission fluid temperature. This external device can complete the measurement through the collaboration of in-vehicle computers and...
One example of this is the fact that in some cases you need to remove the ECU from the vehicle to make a complete copy of it (the first step) as the OBD2 port only lets you access certain areas of the ECU. The price is also a comparatively large barrier to entry for many home ...
For all cars that do not allow OBD2 optimization, for example, the BDM port is used. The same interface is also used by the manufacturer to upload the software. Another variant is an add-on module - colloquially known as a tuning box. This is connected between the control unit and the...
however. The engine is known for being quite rev-happy, providing most of the power and torque at the top of the rev range. That's the main reason Honda's CVT transmission does not always get on well with this engine. Unfortunately, the only other option is a manual gearbox. Great if...
Professional auto shops will have this on-hand as part of their services, or you can buy your own scanner and plug it into the OBD port located underneath the dashboard. Many consumer OBD2 scanners work with a mobile app, enabling them to wirelessly display pertinent information on a smartph...
If there were option engines such as a four, V6 or V8, just count the spark plugs to figure out which engine it is.On applications where the same block may be used for different displacements (such as older Chevy small block and big block V8s), bores and strokes can vary quite a bit...
have a standardized OBD2 interface for vehicle diagnosis. The software of the ECU can be read out and adjusted via this interface. For all cars that do not allow OBD2 optimization, for example, the BDM port is used. The same interface is also used by the manufacturer to upload the ...
If you purchased a car built after 1996, it probably has an OBD-II port. But what is it for, and how do you diagnose errors with it?