NIARMADA Nissan Armada manuals & owner information
Nissan Armada owner resource

Manuals, service information and practical owner guidance.

Fast access to Nissan Armada owner manuals, service procedures, maintenance references, technical information and practical guides for different Armada generations.

Browse manuals →
Nissan Armada manual library

Nissan Armada 2025-2026 Service and Repair Manual: Additional Service When Replacing Transfer Control Unit

Nissan Armada 2025-2026 Service and Repair Manual / Transmission & Driveline / Driveline. Transfer: Atx93a / Additional Service When Replacing Transfer Control Unit

Description

When replacing transfer control unit, the following work is required. For the work procedure, refer to Work Procedure.

WORK AFTER REPLACEMENT

  • Unit parameter writing

  • Initial calibration

Work Procedure

WRITING THE REQUIRED INFORMATION FOR CONTROL UNIT REPLACEMENT

With CONSULT

  1. Ignition switch ON.

  2. Select "AWD/4WD".

  3. Select "Replace ECU".

  4. Perform the work according to the procedure displayed in CONSULT.

    CAUTION:

    The following conditions must be maintained during ECU modernization procedure.

    • Ignition switch ON.

    • All electric loads are OFF

    • Brake pedal is not depressed.

    • Battery voltage: 12-13.5 V (Be sure to check the value of battery voltage by CONSULT.)

    NOTE:

    Writing of control unit information is performed automatically.

>>

GO TO 2.

WRITING UNIT PARAMETER

Perform writing of the unit parameter to transfer control unit. Refer to Work Procedure.

>>

GO TO 3.

INITIAL CALIBRATION

  1. Continue the following condition.

    Transmission position : P

    4WD mode : AUTO

  2. Depress the brake pedal.

  3. Start the engine and wait for approximately 10 seconds under the brake pedal depressed.

>>

GO TO 4.

PERFORM SELF-DIAGNOSIS

With CONSULT

  1. Erase self-diagnostic results for “AWD/4WD”.

  2. Ignition switch ON to OFF.

    CAUTION:

    Wait for 60 seconds after ignition switch OFF.

  3. Depress the brake pedal.

  4. Start the engine.

    CAUTION:

    Never drive the vehicle.

  5. Perform self-diagnosis for “AWD/4WD”.

Is any DTCs detected?

YES>>

Check DTC detected item. Refer to DTC Index.

NO>>

WORK END

    Other materials

    I-BSI system operation
    Example Side indicator light I-BSI ON indicator (vehicle information display) I-BSI indicator (vehicle information display) ProPILOT Assist switch (design may vary depending on Nissan Armada model) The Nissan Armada I-BSI system becomes active at speeds above approximately 37 MPH ...

    Engine Mechanical Tools and Preparation
    Special Service Tool The actual shapes of TechMate tools may differ from those of special service tools illustrated here. Tool number (TechMate No.) Tool name Description KV10116200 (NI-26336-A) Valve spring compressor 1. KV10115900 (NI-26336-20) Attachment 2.KV10109220 ( — ) Adapter D ...

    Intelligent Key Warning Buzzer
    Removal and Installation REMOVALDisconnect Intelligent Key warning buzzer harness connector. Disengage clip of frame, and then remove Intelligent Key warning buzzer . : Clip INSTALLATIONInstall in the reverse order of removal. ...