Nissan Armada 2025-2026 Service and Repair Manual: Diagnosis Procedure

The detection function may become unstable in the following cases.

• When radar reflections from the vehicle ahead is interrupted.

• When driving a road with extremely sharp corners.

• When the sensor cannot detect a vehicle ahead while the vehicle ahead passes a hill or valley.

DISTANCE SENSOR VISUAL CHECK (1)

Check the contamination and foreign matter on the distance sensor area of the front bumper.

Do foreign matter adhere?

YES>>

GO TO 3.

NO>>

GO TO 2.

DISTANCE SENSOR VISUAL CHECK (2)

1. Remove the front bumper. Refer to Removal and Installation.

2. Check distance sensor for contamination and foreign matter.

Do foreign matter adhere?

YES>>

GO TO 3.

NO>>

GO TO 4.

WIPE OUT DIRT AND FOREIGN MATERIALS (1)

Wipe out the contamination and foreign matter in the area around the distance sensor.

>>

GO TO 8.

DISTANCE SENSOR VISUAL CHECK (3)

Check distance sensor for cracks and scratches.

Are there any cracks or scratches?

YES>>

GO TO 6 .

NO>>

GO TO 5.

PERFORM RADAR ALIGNMENT

1. Install the front bumper. Refer to Removal and Installation.

2. Perform the radar alignment. Refer to Work Procedure.

3. Perform ProPILOT Assist 1.1 system action test. Refer to Work Procedure.

4. Check that the vehicle ahead detection performance improves.

Does it improve?

YES>>

INSPECTION END

NO>>

GO TO 6.

REPLACE DISTANCE SENSOR

1. Replace the distance sensor. Refer to Removal and Installation.

2. Install the front bumper. Refer to Removal and Installation.

3. Perform the radar alignment. Refer to Work Procedure.

4. Perform ProPILOT Assist 1.1 system action test. Refer to Work Procedure.

5. Check that the vehicle ahead detection performance improves.

Does it improve?

YES>>

INSPECTION END

NO>>

GO TO 7.

REPLACE ADAS CONTROL UNIT 2

Replace ADAS control unit 2. Refer to Removal and Installation.

>>

GO TO 8.

CHECK ProPILOT ASSIST 1.1 SYSTEM

1. Check that the ProPILOT Assist 1.1 system is normal.

>>

INSPECTION END