Here we'll introduce how to use OBD cable hardware self-check in Lonsdor K518 PRO Key Programmer. Read this article carefully to learn.
IMMO & Remote >> OBD II >> OBD hardware self-check >> OBD hardware self-check
This function needs to connect the device to 12v power and make sure the device is well connected with the OBD cable.
Note: just connect the OBD cable to the device, no need to connect it to the vehicle OBD port.
Connect OBD cable to Lonsdor K518 device.
Damage detected on pin 1!
It shows pin 1 is damaged.