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Component Inspection

CHECK TURBOCHARGER SPEED SENSOR-I
1. Turn ignition switch OFF.
2. Disconnect turbocharger speed sensor harness connector.
3. Visually check the sensor for chipping.
Is the inspection result normal?

YES

GO TO 2.

NO

Replace turbocharger assembly (do not replace turbocharger speed sensor only). Refer to Removal and Installation .

CHECK TURBOCHARGER SPEED SENSOR-II

Check resistance between sensor terminals as follows.

Turbocharger speed sensor		Condition		Resistance
Terminal (Polarity)
1	2	Temperature [ deg.C (deg.F)]	25 (77)	Except 0 or INF.Ohm
	3
2	3

Is the inspection result normal?

YES

INSPECTION END

NO

Replace turbocharger assembly (do not replace turbocharger speed sensor only). Refer to Removal and Installation .