System Description
Input signals of MAF (P0102/P0103), MAP (P0107/P0108), IAT (P0112/P0113), ECT (P0117/P0118), TP (P0122/P0123), Knock sensor (P0327/P0328), Fuel tank pressure sensor (P0452/P0453), Fuel vapor temperature sensor (P2026/P2027), Fuel level sensor (P0463) and Barometric pressure sensor (P2227/P2228/P2229) are checked for open, short of circuit by monitoring input voltage.