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Nissan Armada 2025-2026 Service and Repair Manual: Electric Ivt Control Actuator Position Learning

Nissan Armada 2025-2026 Service and Repair Manual / Engine / Engine Control System. Vr35ddtt / Electric Ivt Control Actuator Position Learning

Description

Electric intake valve timing control (IVT) module requires the learning of camshaft reference position.

This learning must be performed where the following operations are performed:

  • Replacement of electric IVT control module

  • Replacement of intake/Exhaust camshaft position sensor

  • Replacement of crankshaft position sensor

  • Removal and installation of timing chain

  • Replacement of the mechanical parts listed below:

    • Replacement of timing chain

    • Replacement of intake/exhaust camshaft

    • Replacement of intake/exhaust camshaft sprocket

    • Replacement of piston

    • Replacement of connecting rod

    • Replacement of crankshaft

(For details, refer to Work Procedure .)

NOTE:

If learning is not performed after the replacement of the above listed parts, the engine may not be able to be started.

Work Procedure

START

Do you have CONSULT?

YES>>

GO TO 2.

NO>>

GO TO 3.

ELECTRIC INTAKE VALVE TIMING (IVT) CONTROL ACTUATOR REFERENCE POSITION LEARNING

With CONSULT

  1. Ignition switch ON.

  2. On CONSULT screen, select All DTC Reading and check that any DTC is not detected.

  3. Select “ECM” >> “Work support” >> “Electric intake valve timing control learning”.

  4. Touch “Start” and start the engine within 10 seconds.

  5. Let the engine be idle.

  6. Check that “COMPLETED” is displayed.

Is the learning completed normally?

YES>>

END

NO>>

Check that DTC is not detected and restart the learning.

PERFORM ELECTRIC IVT CONTROL ACTUATOR REFERENCE POSITION LEARNING

Without CONSULT

  1. Ignition switch OFF.

  2. Disconnect electric IVT control actuator harness connector (actuator side).

  3. Ignition switch ON and wait at least 70 seconds.

  4. Ignition switch OFF.

  5. Reconnect the disconnected harness connector.

  6. Start engine and let it idle at least 15 seconds.

  7. Ignition switch OFF.

  8. Check and erase DTC.

>>

END

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