LEMON Manuals
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2004
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Prius
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Engine Performance
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System
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Engine Control System (SFI) - Diagnosis
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DTC P0037: Oxygen Sensor Heater Control Circuit Low (Bank 1 Sensor 2), DTC P0038: Oxygen Sensor Heater Control Circuit High (Bank 1 Sensor 2)
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Component Operating Range
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Component Operating Range
COMPONENT OPERATING RANGE
Heated oxygen sensor heater current (after engine is warmed up)
0.4 to 1.0 A (at idle and battery voltage 11 to 14 V)