LEMON Manuals
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Toyota
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2007
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Matrix Base, Automatic
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Repair and Diagnosis
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Engine Performance
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Engine Control System (1ZZ-FE)
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SFI System
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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
0.4 to 1 A (when engine idles, HO2 sensor warmed up and battery voltage 11 to 14 V)