AIR FUEL RATIO (A/F) SENSOR HEATER CONTROL OUTLINE [MZR-CD (RF Turbo)]


id0140f1780100

•  Stabilized oxygen concentrations, even when the exhaust gas temperature is low, are detected by controlling of the A/F sensor heater.
•  When the exhaust gas temperature is high, the A/F sensor is protected from sharp rises in its temperature by stopping energization to the A/F sensor heater.