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?