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Home >> Cadillac >> 2000 >> Catera V6-3.0L VIN R >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Scan Tool Testing and Procedures >> Scan Tool Data Definitions - Powertrain Systems >> HO2S Heater Bn 1 Sen. 1
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HO2S Heater Bn 1 Sen. 1

HIGH/LOW
This parameter indicates the commanded state of the HO2S heater control circuit. When the parameter display is high, the heater is commanded ON. When the display is low, the heater is OFF. The ECM will turn the HO2S heaters ON and OFF depending on the operating conditions of the engine.
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