Nissan Armada 2025-2026 Service and Repair Manual: Diagnosis Procedure
CHECK DTC OF TRANSFER CONTROL UNIT
With CONSULT
Ignition switch ON.
Perform self-diagnosis for “AWD/4WD”.
Is any DTC detected?
YES >>Check DTC detected item. Refer to DTC Index.
NO>>GO TO 2.
CHECK 4WD SHIFT INDICATOR
Check 4WD shift indicator function. Refer to Component Function Check.
Is the inspection result normal?
YES>>GO TO 3.
NO>>Proceed to diagnosis procedure. Refer to Diagnosis Procedure.
CHECK 4WD SHIFT SWITCH FUNCTION (CHECK DTC OF CHASSIS CONTROL MODULE)
With CONSULT
Perform self-diagnosis for "CHASSIS CONTROL".
Is any DTC detected?
YES>>Check DTC detected item. Refer to DTC Index.
NO>>
4wd Mode Does Not Change
Vehicle does not enter 4-wheel drive mode even though 4WD warning turned to OFF. ...
Other materials:
Door Does Not Lock/unlock and Engine Does Not Start (all I-Key/req Sw/push Sw)
All doors do not lock/unlock using door request switch and engine does not start when push-button ignition switch is pressed while carrying Intelligent Key.
SYMPTOM TABLE (BOTH INTELLIGENT KEYS HAVE THE SAME SYMPTOMS)
Door lock operation (remote keyless entry) Door lock operation (one touch sensor ...
Inspection
INSPECTION AFTER REMOVAL
Replace the shims and shim covers if rust is excessively attached.
Eliminate rust on the return spring, pad retainers and the torque member. Replace them if rust is excessively attached.
INSPECTION AFTER INSTALLATION
Check a drag of front disc brake. If any drag is found, f ...
Removal and Installation
WARNING:
REMOVAL
Disconnect the negative battery terminal. Refer to Removal and Installation.
Drain A/T fluid. Refer to Draining.
Remove oil pan mounting bolts () and then remove oil pan .
CAUTION:
Never reuse bolts.
NOTE:
To avoid damage to the vehicle, do not remove the magnets from the oil pan. ...
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