Heated Oxygen Sensor (HO2S)
WARNING: This page is about a different variant/trim than selected.
Faults in sensor or circuit should set a Diagnostic Trouble Code (DTC). See QUICK TEST in SELF-DIAGNOSTICS - EEC-V (GASOLINE) article. To check HO2S heater resistance, go to step 34) of TEST H under SYSTEM TESTS in SELF-DIAGNOSTICS - EEC-V (GASOLINE) article.