LEMON Manuals
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Toyota
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2005
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Matrix Base, FWD, Automatic
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Repair and Diagnosis (Single Page)
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Engine Performance
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Testing & Diagnosis
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Engine Control System (SFI) (1ZZ-FE (Fwd)) - Diagnostics
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SFI System (1ZZ-FE (Ff))
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DTC P0037, P0038: Oxygen Sensor Heater Control Circuit Low/High (Bank 1 Sensor 2)
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Component Operating Range
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Component Operating Range
COMPONENT OPERATING RANGE (DTC P0037)
Heated Oxygen (HO2) sensor heater current
0.4 to 1 A (when engine idles, HO2 sensor warmed up and battery voltage 11 to 14 V)