Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Sfi System: HO2S Heater Control Bank 1 Sensor 1 Circuit Short to Battery (P003012,P003013,P005012,P005013,P101A9E,P103A9E)
DESCRIPTION Refer to DTC P219519. Click here HINT: When any of these DTCs are stored, the ECM enters fail-safe mode. The ECM turns off the air fuel ratio sensor heater in fail-safe mode. Fail-safe mode continues until the engine switch is turned off. Although the DTC titles say oxygen sensor, these ...
