Component Inspection

Engine

Engine Control - P0052 HO2S Heater Control Circuit High (Bank 2 / Sensor 1) Component Inspection

Component Inspection

Check HO2S (B2/S1) Heater resistance
1. IG "OFF" and disconnect HO2S (B2/S1) connector.
2. Measure resistance between power and control terminals of HO2S (B2/S1) heater. (Component Side)

Specification : 8.1 - 11.1 Ohms at 21 °C(69.8 °F)





3. Is the measured resistance within specification?