What kind of bus is diagnostic can C?
A second high-speed bus, diagnostic CAN C, is designed to communicate with a diagnostic tool. The newest version of CAN is interior High Speed CAN (or IHS), which will operate at 125 kbps, and will appear on vehicles in the future. CAN B is event-driven, opening a door will awaken most modules on the bus.
When to remove a third terminating resistor on a CAN bus?
If measurement is 120 ohms only one terminating resistor is present, two resistors are required (see note below). If 40 ohms is measured a third terminating resistor is installed and should be removed. If less than 40 ohms is measured there could be a short in the harness or a damaged CAN Port of one of the devices connected to the network.
What is the code for the CAN bus?
U0001 code – The Controller Area Network (CAN) Bus is a serial two wire bus communication system for transferring data between control modules. The CAN Bus types a vehicle may have one or more types of CAN Bus.
Can a CAN bus communicate with engine ECUs?
Our products are designed to communicate with engine ECUs and other devices over a CAN bus, but this guide is not limited to using the CAN Bus with our products. Having a good understanding of how a CAN bus network is supposed to be configured and how to troubleshoot any problems is vital to our customers continued success.
Where is the service manual on a school bus?
Under the Reference tab you will find the Service Manual button. Click the Service Manual button to get a list of available manuals. If you don’t know your body number, it is usually located inside the bus above the windshield on the Body Data Plate or you can use the VIN.
When did CAN bus come out for cars?
CAN bus equipped vehicles started appearing in model year 2003. By model year 2008, all vehicles sold in the US must use CAN bus. The following table shows 2003/2004/2005/2006/2007 model year vehicles are equipped with CAN. Optionally, you can inspect your vehicle’s OBD II connector pinout to determine if the vehicle supports CAN.