Heated Oxygen Sensor 2 Heater
WARNING: This page is about a different car, the 2008 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
- Check resistance between HO2S2 terminals as follows.TERMINALS RESISTANCE SPECIFICATION
Terminal No. Resistance 2 and 3 5.0 - 7.0Ω [at25°C(77°F)] 1 and 2, 3, 4 Ω
(Continuity should not exist)4 and 1, 2, 3 - If NG, replace heated oxygen sensor 2.CAUTION:
- Discard any heated oxygen sensor which has been dropped from a height of more than 0.5 m (19.7 in) onto a hard surface such as a concrete floor; use a new one.
- Before installing new oxygen sensor, clean exhaust system threads using Oxygen Sensor Thread Cleaner tool J-43897-18 or J-43897-12 and approved anti-seize lubricant.