Nissan Armada 2025-2026 Service and Repair Manual: Diagnosis Procedure
CHECK GLASS LID
Check the following items.
Cracks, damage, or deformation of weather-strip.
Sticking of weather-strip.
Loose or missing glass lid mounting bolt.
Misalignment of glass lid. Refer to Adjustment.
Is the inspection result normal?
YES>>GO TO 2.
NO>>Repair or replace the malfunctioning parts.
CHECK MOONROOF UNIT ASSEMBLY
Check the following items.
Damage, deformation or trapped foreign material of slide rail.
Insufficient application of grease to sliding section of slide rail. Refer to Removal and Installation.
Is the inspection result normal?
YES>>GO TO 3.
NO>>Repair or replace the malfunctioning parts.
CHECK SUNSHADE
Check sunshade for damage, deformation, of interference with other parts.
Is the inspection result normal?
YES>>GO TO 4.
NO>>Repair or replace the malfunctioning parts.
CHECK BCM POWER SUPPLY AND GROUND CIRCUIT
Check BCM power supply and ground circuit. Refer to Diagnosis Procedure.
Is the inspection result normal?
YES>>GO TO 5.
NO>>Repair or replace the malfunctioning parts.
CHECK MOONROOF MOTOR ASSEMBLY POWER SUPPLY AND GROUND CIRCUIT
Check moonroof motor assembly power supply and ground circuit. Refer to Diagnosis Procedure.
Is the inspection result normal?
YES>>GO TO 6.
NO>>Repair or replace the malfunctioning parts.
CHECK SUNSHADE MOTOR ASSEMBLY POWER SUPPLY AND GROUND CIRCUIT
Check sunshade motor assembly power supply and ground circuit. Refer to Diagnosis Procedure.
Is the inspection result normal?
YES>>GO TO 7.
NO>>Repair or replace the malfunctioning parts.
CHECK LIN COMMUNICATION CIRCUIT
Check LIN communication circuit. Refer to Diagnosis Procedure.
Is the inspection result normal?
YES>>GO TO 8.
NO>>Repair or replace the malfunctioning parts.
CHECK COMMUNICATION SIGNAL CIRCUIT
Check communication signal circuit. Refer to Component Function Check.
Is the inspection result normal?
YES>>GO TO 9.
NO>>Repair or replace the malfunctioning parts.
CHECK MOONROOF SWITCH AND SUNSHADE SWITCH
Check moonroof switch and sunshade switch.
Moonroof switch: Refer to Component Function Check.
Sunshade switch: Refer to Component Function Check.
Is the inspection result normal?
YES>>Check intermittent incident. Refer to Intermittent Incident.
NO>>Repair or replace the malfunctioning parts.
Moonroof and Sunshade Does Not Operate Properly
Moonroof and sunshade does not operate normally.
Moonroof Tilt UP/DOWN, OPEN/CLOSE or sunshade OPEN/CLOSE does not operate.
Moonroof Tilt UP/DOWN, OPEN/CLOSE or sunshade OPEN/CLOSE operation is slow.
...
Moonroof Does Not Operate Properly
Moonroof does not operate normally.
Moonroof Tilt UP/DOWN, OPEN/CLOSE does not operate.
Moonroof Tilt UP/DOWN, OPEN/CLOSE operation is slow.
Judder occurs during OPEN/CLOSE operation of moonroof.
...
Other materials:
Adjustment Fitting of Front Fender
Fitting adjustment means adjustment of clearance or gradient of the hood, door, front fender, etc. with respect to its adjacent part, and adjustment of gradient at the press line.
Adjustment of front fender is described as an example.
Adjust the fitting at the front fender mounting position. Tighten ...
Low Tire Pressure Warning Lamp Does Not Turn on
The low tire pressure warning lamp does not turn ON when the ignition switch is placed ON.
NOTE:
The low tire pressure warning lamp turn ON for approximately 1 second and then turns OFF when the ignition switch is placed ON. This is to check that no abnormal condition is present in the tire pressure ...
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 Functio ...
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