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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) 13A-209 DTC P0134: Heated Oxygen Sensor Circuit No Activity Detected (bank 1, sensor 1) . Heated Oxygen Sensor Circuit No Activity • Refer to, DTC P0130 − Heated Oxygen Sensor Circuit (bank 1, sensor 1) • Refer to, DTC P0201, P0202, P0203, P0204, P0205, P0206 − Injector Circuit . CIRCUIT OPERATION • Refer to, DTC P0130-Heated Oxygen Sensor Cir- cuit (bank 1, sensor 1) • Refer to, DTC P0201, P0202, P0203, P0204, P0205, P0206-Injector Circuit . . TECHNICAL DESCRIPTION • The PCM effects air/fuel ratio feedback control in accordance with the signals from the right bank • If the right bank heated oxygen sensor (front) has deteriorated, corrections will be made by the right • DTC P0134 is stored when abnormality of the air/fuel ratio feedback control is detected. . DESCRIPTIONS OF MONITOR METHODS age does not cross 0.5 volt within specified . MONITOR EXECUTION . MONITOR EXECUTION CONDITIONS (Other Other Monitor (There is no temporary DTC stored in memory for the item monitored below) • Misfire monitor Sensor (The sensor below is determined to be normal) • Volume airflow sensor • Engine coolant temperature sensor • Intake air temperature sensor • Barometric pressure sensor • Throttle position sensor . |