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Home >> Toyota >> 2003 >> Matrix Base, 4WD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Self Diagnostics >> Diagnostic Tests >> DTC P0136: Oxygen Sensor Circuit Malfunction (Bank No. 1 Sensor No. 2) >> Circuit Description
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Circuit Description

NOTE:
  • Bank No. 1 refers to bank that includes cylinder No. 1.
  • Sensor No. 2 refers to farther sensor from engine body.

For circuit description, see DTC P0125: INSUFFICIENT COOLANT TEMPERATURE FOR CLOSED LOOP FUEL CONTROL . Detecting condition of DTC is when voltage output of heated oxygen sensor remains at 0.4 V or more, or 0.5 V or less when vehicle is driven at 25 mph (40 km/h) or more after engine is warmed up (2 trip detection logic).

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