Sensor
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Input signal to ECM
|
ECM function
|
Actuator
|
Camshaft position sensor (PHASE) Crankshaft position sensor (POS)
|
Engine speed
|
Air fuel ratio (A/F) sensor 1 heater control
|
Air fuel ratio (A/F) sensor 1 heater
|
Mass air flow sensor
|
Amount of intake air
|
The ECM performs ON/OFF duty control of the A/F sensor 1 heater corresponding to the engine operating condition to keep the temperature of A/F sensor 1 element within the specified range.