Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Sfi system / Oxygen sensor circuit no activity detected

Toyota Corolla (E120): Oxygen sensor circuit no activity detected

Dtc p0134 oxygen sensor circuit no activity detected (bank 1 sensor 1)

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Circuit description
The purpose of this circuit is to prevent the engine from stalling while driving in lock–up condition, when brakes are suddenly applied. When the brake pedal is depressed, this switch sends a signals to the ecm. Then the ecm cancels the operation of the lock–up clutch while braking is i ...

Warning lights and indicators
The warning lights and indicators on the instrument cluster and center panel inform the driver of the status of the vehicle’s various systems. For the purpose of explanation, the following illustration displays all warning lights and indicators illuminated. ► Vehicles with a drive moni ...

Replacement
1. Discharge refrigerant from refrigeration system  turn the a/c switch on.  operating the cooler compressor at the engine rpm of approx. 1000 For 5 to 6 min., Circulate the refrigerant and collect compressor oil remaining in each component into the cooler compressor as much ...