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Nissan Armada 2025-2026 Service and Repair Manual: Wastegate Valve Closed Position Learning

Nissan Armada 2025-2026 Service and Repair Manual / Engine / Engine Control System. Vr35ddtt / Wastegate Valve Closed Position Learning

Description

Wastegate valve closed position learning is a function of ECM to learn the fully closed position of the wastegate valve by monitoring the wastegate valve position sensor output signal. It must be performed under any of the following conditions.

Work Procedure

PERFORM WASTEGATE VALVE CLOSED POSITION LEARNING VALUE CLEAR

With CONSULT

  1. On the CONSULT screen, select “ECM” >> “Work support” >> “WASTEGATE ACTUATOR POSI LEARN VALUE CLEAR”.

  2. Touch “Start”.

  3. Check that “COMPLETED” is displayed. If “COMPLETED” is not displayed, repeat the above.

>>

GO TO 2.

PERFORM NEW CLOSED POSITION LEARNING

With CONSULT

  1. Check that the engine is cold [coolant temperature : 50 °C (122 °F) or less].

  2. On CONSULT screen, select “ECM” >> “Data monitor” >> "Wastegate valve closed position learning bank 1" and "Wastegate valve closed position learning bank 2"

    Check that “INCMP” is displayed.

  3. Ignition switch OFF and wait at least 10 seconds.

  4. Ignition switch ON and wait at least 10 seconds.

Is “CMPLT” displayed on CONSULT screen?

YES>>

END

NO>>

Check that the engine is cold [coolant temperature: 50 °C (122 °F) or less] And then, perform step 3 and 4 again.

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