Component Inspection

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

   Heated oxygen sensor 2		Condition		Resistance
   +	-
   Terminal
   4	3	Temperature	25°C (77°F)	5.4 - 7.3 Ω
   1	2			Not existed
   	3
   	4
   4	1
   	2

Is the inspection result normal?

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INSPECTION END

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Replace malfunctioning heated oxygen sensor 2.