Nissan Armada 2025-2026 Service and Repair Manual: Work Procedure
WRITING THE REQUIRED INFORMATION FOR CONTROL UNIT REPLACEMENT
With CONSULT
Ignition switch ON.
Select "AWD/4WD".
Select "Replace ECU".
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.
NOTE:Writing of control unit information is performed automatically.
GO TO 2.
WRITING UNIT PARAMETER
>>GO TO 3.
INITIAL CALIBRATION
Continue the following condition.
Transmission position : P
4WD mode : AUTO
Depress the brake pedal.
GO TO 4.
PERFORM SELF-DIAGNOSIS
With CONSULT
Erase self-diagnostic results for “AWD/4WD”.
Ignition switch ON to OFF.
CAUTION:
Wait for 60 seconds after ignition switch OFF.
Depress the brake pedal.
Start the engine.
CAUTION:
Never drive the vehicle.
Perform self-diagnosis for “AWD/4WD”.
Is any DTCs detected?
YES>>Check DTC detected item. Refer to DTC Index.
NO>>WORK END
Additional Service When Replacing Transfer Control Unit
WORK AFTER REPLACEMENT
Unit parameter writing
Initial calibration
...
Unit Parameter Writing
Transfer control unit replacing
Transfer assembly replacing
Transfer control actuator replacing
Transfer range position sensor replacing
Transfer cam position sensor replacing
Transfer case component ...
Other materials:
Removal and Installation
REMOVAL
Operate rear wiper to the service position. Refer to System Description.
Lift up rear wiper arm, and then lock back rear wiper arm.
Remove rear wiper blade from rear wiper arm while rotating rear wiper blade in the direction indicated by the arrows as shown in the figure.
CAUTION:
After ...
Exploded View
FRONT
Front heater & cooling unit assembly O-ring High-pressure pipe Valve cap (high-pressure side) Tube clip 1 Washer seal Condenser & liquid tank assembly High-pressure flexible hose Low-pressure flexible hose Valve cap (low-pressure side) Low-pressure pipe Tube clip 2 Front ...
Three Way Catalyst
If a large amount of unburned fuel flows into the catalyst, the catalyst temperature will be excessively high. To prevent this, follow the instructions.
Use unleaded gasoline only. Leaded gasoline will seriously damage the three way catalyst.
When checking for ignition spark or measuring engine comp ...
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