Input/Output Signal Chart

Sensor

Input Signal to ECM

ECM function

Actuator

Crankshaft position sensor (POS)

Engine speed⁽²⁾

Piston position

Ignition timing control Ignition coil (with power transistor)

Camshaft position sensor (PHASE)

Mass air flow sensor

Amount of intake air

Engine coolant temperature sensor

Engine coolant temperature

Throttle position sensor

Throttle position

Accelerator pedal position sensor

Accelerator pedal position

Park/neutral position (PNP) switch (M/T models) TCM (A/T models)

Gear position

Battery

Battery voltage⁽²⁾

Knock sensor

Engine knocking

Unified meter and A/C amp.

Vehicle speed⁽¹⁾

⁽¹⁾	This signal is sent to the ECM via the CAN communication line.

⁽²⁾	ECM determines the start signal status by the signals of engine speed and battery voltage.