Component Inspection
- CHECK HEATED OXYGEN SENSOR 2 HEATER
- Turn ignition switch OFF.
- Disconnect heated oxygen sensor 2 (HO2S2) harness connector.
- Check resistance between HO2S2 terminals as follows.
Terminal Resistance 2 and 3 5.4 - 7.3 Ω [at 25°C (77°F)] 1 and 2, 3, 4 ∞Ω
(Continuity should not exist)4 and 1, 2, 3
Is the inspection result normal?
YES>>
INSPECTION END
NO>>
GO TO 2.
- REPLACE HEATED OXYGEN SENSOR 2
Replace malfunctioning heated oxygen sensor 2. Refer to EXHAUST SYSTEM : Removal and Installation .
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 [commercial service tool (NI-43897-18 or NI-43897-12)] and approved anti-seize lubricant (commercial service tool).
>>
INSPECTION END