System Description
|
Sensor |
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.