Check O2 sensor component heater coil resistance
IG KEY "OFF", ENGINE "OFF".
Disconnect O2 sensor connector.
Check continuity between O2 sensor component connector 2 and 5.
Specification : Refer to "Specification" of "General Information"
Is the measured resistance within the specification?
YES
Go to "Verification of Vehicle Repair".
NO
Replace O2 sensor and go to "Verification of Vehicle Repair".