FixVault

Input/Output Signal Chart

Sensor Input signal to ECM ECM function Actuator
Crankshaft position sensor (POS) Engine speed* Fuel pump control FPCM

Fuel pump
Camshaft position sensor (PHASE)
Engine coolant temperature sensor Engine coolant temperature
Mass air flow sensor Amount of intake air
Battery Battery voltage*

*: ECM determines the start signal status by the signals of engine speed and battery voltage.