Component Inspection

1. 1. Turn ignition switch OFF.
   2. Disconnect heated oxygen sensor 2 (HO2S2) harness connector.
   3. Check resistance between HO2S2 terminals as follows.

      HO2S2		Condition		Resistance
      +	-
      Terminal
      4	3	Temperature	25°C (77°F)	3.4 - 4.4 Ω
      1	2			Not existed
      	3
      	4
      4	1
      	2

Is the inspection result normal?

YES>>

INSPECTION END

NO>>

GO TO 2.

1. Replace heated oxygen sensor 2. Refer to Exploded View .
   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.

>>

INSPECTION END