How does the Pats system work?
How does the Pats system work? The PATS control module compares the received key code and validates or rejects the key code. If the key code is correct, the PATS control module sends a signal to the PCM to enable the fuel pump and injectors. During this period, the PATS security warning light is illuminated. Why is the PATS system not working properly? The PATS control module in the PCM provides ground to the starter relay and enables the fuel pump and injectors. The PATS system isn’t working properly if: If the vehicle runs for more than 1 second, then...