Input/Output Signal Chart: Notes

INPUT/OUTPUT SIGNAL REFERENCE

Sensor

Input signal to ECM

ECM function

Actuator

Crankshaft position sensor (POS)

Engine speed⁽¹⁾ & Piston position

EVAP canister purge flow control

EVAP canister purge volume control solenoid valve

Camshaft position sensor (PHASE)

Mass air flow sensor

Amount of intake air

Engine coolant temperature sensor

Engine coolant temperature

Battery

Battery voltage⁽¹⁾

Throttle position sensor

Throttle position

Accelerator pedal position sensor

Accelerator pedal position

Air fuel ratio (A/F) sensor 1

Density of oxygen in exhaust gas (Mixture ratio feedback signal)

Fuel tank temperature sensor

Fuel temperature in fuel tank

EVAP control system pressure sensor

Pressure in purge line

Unified meter and A/C amp.

Vehicle speed⁽²⁾

⁽¹⁾	ECM determines the start signal status by the signals of engine speed and battery voltage.

⁽²⁾	This signal is sent to the ECM through CAN communication line.