Front Heated Oxygen Sensor Heater - Left Bank

COMPONENT INSPECTION
Front heated oxygen sensor heater



Check resistance between terminals (3) and (1).

Resistance: 2.3 - 4.3 Ohms at 25°C (77°F)

Check continuity between terminals (2) and (1), (3) and (2).

Continuity should not exist.

If NG, replace the front heated oxygen sensor.

CAUTION:
- Discard any heated oxygen sensor which has been dropped or undergone shocks; use a new one.