Test Function No. 15 - Display of Input/Output Port Status

• This function is locked and needs to be unlocked via the procedure in Function Test No. 19. The individual ports can be scrolled through using the trip reset button.
  • 'PORT: A03 11010001' - shows the inputs and outputs for microprocessor 1 in binary format.
  • 'PORT: B01 01001110' - shows the inputs and outputs for microprocessor 2 in binary format.

This function allows for rapid vehicle diagnostics by displaying the status of each microprocessor inputs and outputs in binary format. T4 must be used to read the binary code and interpret the code meanings.