HO2S Heater Inspection
WARNING: This page is about a different variant/trim than selected.
- Disconnect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION .)
- Disconnect the HO2S connector.
- Measure the HO2S resistance between terminals C and D.
- If not as specified, replace the HO2S. (See HEATED OXYGEN SENSOR (HO2S) REMOVAL/INSTALLATION .)
HO2S heater resistance
2-50 ohms