Rear Heated Oxygen Sensor Heater - Right Bank

COMPONENT INSPECTION
Rear heated oxygen sensor heater
1. Check resistance between terminals (4) and (1).

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




2. Check continuity.
If NG, replace the rear heated oxygen sensor.

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