Selecting Parameter Identification (PID)

Connect the diagnostic tool to the date link connector (DLC). Turn off all accessories. If the vehicle is equipped with a power take-off (PTO) system or auxiliary idle control, it must be turned off to carry out the self-tests.

• Carry out the necessary vehicle preparation and visual inspection. Refer to QUICK TEST OPERATION. 
• Refer to the manufacturer's manual for diagnostic tool instructions.
• Follow the operating instructions from the menu.
• Access and select the PIDs to begin monitoring.