Component Inspection

REAR HEATED OXYGEN SENSOR HEATER
Check resistance between terminals (a) and (c).

Resistance: 5.2 - 8.2 ohms at 25°C (77°F)

If NG, replace rear heated oxygen sensor.

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.