Component Inspection
Engine
Engine Control - P0056 HO2S Heater Circuit (Bank 2 / Sensor 2) - Component Inspection
Component Inspection
1. Check HO2S (B2/S2) Heater resistance
(1) IG "OFF" and disconnect HO2S (B2/S2) connector
(2) Measure resistance between terminal 1 and 2 of HO2S (B2/S2) (Component Side)
Specification : 8.1 - 11.1 Ohms at 21°C (69.8°F)
(3) Is the measured resistance within specification?