Toyota
Nissan Versa
 Sedan Service Manual
Engine » Engine control system (EC) » P0078 EVT control solenoid valve
Component Inspection

1.CHECK EXHAUST VALVE TIMING CONTROL SOLENOID VALVEI

  1. Turn ignition switch OFF.
  2. Disconnect exhaust valve timing control solenoid valve harness connector.
  3. Check resistance between exhaust valve timing control solenoid valve terminals as per the following.

CHECK EXHAUST VALVE TIMING CONTROL SOLENOID VALVEI

Is the inspection result normal?

YES >> GO TO 2.

NO >> Replace exhaust valve timing control solenoid valve. Refer to EM, "Exploded View".

2.CHECK EXHAUST VALVE TIMING CONTROL SOLENOID VALVEII

  1. Remove exhaust valve timing control solenoid valve. Refer to EM, "Exploded View".
  2. Provide 12 V DC between exhaust valve timing control solenoid valve terminals 1 and 2, and then interrupt it. Check that the plunger moves as shown in the figure.

    CAUTION: Do not apply 12 V DC continuously for 5 seconds or more.

    Doing so may result in damage to the coil in exhaust valve timing control solenoid valve.

    NOTE: Always replace Oring when exhaust valve timing control solenoid valve is removed.

Is the inspection result normal?

YES >> INSPECTION END

NO >> Replace exhaust valve timing control solenoid valve. Refer to EM56, "Exploded View".

CHECK EXHAUST VALVE TIMING CONTROL SOLENOID VALVEII

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