Component Inspection

P0031 HO2S Heater Control Circuit Low (Bank 1 / Sensor 1)

Inspection/Repair - Component Inspection

Component Inspection

Check Resistance
1. IG KEY "OFF".
2. Disconnect HO2S (S1) connector.
3. Measure resistance between heater power and heater control terminal of HO2S (S1) (Component Side)
Specification :









4. Is the measured resistance within specification?