Nissan Armada 2025-2026 Service and Repair Manual: Diagnosis Procedure
When ProPILOT Assist 1.1 system is active, the ProPILOT Assist 1.1 system does not perform any control even through there is a vehicle ahead.
CHECK ProPILOT ASSIST 1.1 SYSTEM DISPLAY ON INFORMATION DISPLAY
Start the self-diagnosis mode of combination meter. Refer to On Board Diagnosis Function.
Check that the information display turns ON normally.
Is the inspection result normal?
YES>>GO TO 2.
NO>>Replace the combination meter.
VISUAL CHECK (1)
Check the contamination and foreign matter on the distance sensor area of the front bumper.
Do foreign materials adhere?
YES>>GO TO 4.
NO>>GO TO 3.
VISUAL CHECK (2)
Remove the front bumper. Refer to Removal and Installation.
Check distance sensor for contamination and foreign matter.
Do foreign matter adhere?
YES>>GO TO 4.
NO>>GO TO 5.
WIPE OUT DIRT AND FOREIGN MATERIALS
Wipe out the contamination and foreign matter in the area around the distance sensor.
>>GO TO 9.
VISUAL CHECK (3)
Check distance sensor for cracks and/or scratches.
Are there cracks?
YES>>GO TO 7.
NO>>GO TO 6.
PERFORM RADAR ALIGNMENT
Install the front bumper. Refer to Removal and Installation.
Perform the radar alignment. Refer to Work Procedure.
Perform ProPILOT Assist 1.1 system action test. Refer to Work Procedure.
Check that the vehicle ahead detection performance improves.
Does it improve?
YES>>INSPECTION END
NO>>GO TO 8.
REPLACE DISTANCE SENSOR
Replace the distance sensor. Refer to Removal and Installation.
Install the front bumper. Refer to Removal and Installation.
Perform the radar alignment. Refer to Work Procedure.
Perform ProPILOT Assist 1.1 system action test. Refer to Work Procedure.
Check that the vehicle ahead detection performance improves.
Does it improve?
YES>>INSPECTION END
NO>>GO TO 8.
REPLACE ADAS CONTROL UNIT 2
Replace ADAS control unit 2. Refer to Removal and Installation.
>>GO TO 9.
CHECK ProPILOT ASSIST 1.1 SYSTEM
Check that the ProPILOT Assist 1.1 system is normal.
INSPECTION END
Other materials:
Adjustment
WIPER BLADE POSITION ADJUSTMENT
Set rear wiper blade as set position mark.
Rear wiper blade Back door window glass Set position mark ...
Push-button ignition switch operation
CAUTION
Avoid leaving your Nissan Armada with the ignition switch in the ON position
while the engine is not running for extended periods, as this can drain the
battery.
Use electrical accessories in your Nissan Armada primarily when the engine
is running. If accessories must be used ...
System maintenance
Example
Basic information
The two radar sensors A for the I-BSI system are located near the rear bumper.
Always keep the area near the radar sensors clean.
The radar sensors may be blocked by temporary ambient conditions such as snow,
splashing water, mist or fog.
The blocked condition ma ...
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