LEMON Manuals: Even more car manuals for everyone
Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 51 (Driver Assistance System) >> Symptom Diagnosis >> The System Does Not Detect The Vehicle Ahead At All >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2018 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.

When I-FCW/AEB system is active, the I-FCW/AEB system does not perform any control even though there is a vehicle ahead.

  1. CHECK INFORMATION DISPLAY 
    1. Start the "Self Diagnosis" of combination meter. Refer to On Board Diagnosis Function .
    2. Check that the segment of information display is displayed normally.

    Is the inspection result normal?

    YES

    GO TO 2

    NO

    Replace the combination meter. Refer to Removal and Installation .

  2. VISUAL CHECK (1) 

    Check distance sensor (ICC sensor) for contamination and foreign materials.

    Does contamination or foreign materials exist?

    YES

    GO TO 3

    NO

    GO TO 4

  3. WIPE OUT DIRT AND FOREIGN MATERIAL 

    Clean the contamination and foreign material from the distance sensor (ICC sensor).

    Inspection End.

  4. VISUAL CHECK (2) 

    Check distance sensor (ICC sensor) and distance sensor (ICC sensor) bracket for damage or looseness.

    Does damage or looseness exist?

    YES

    Repair or replace affected components. Refer to Removal and Installation .

    NO

    GO TO 5

  5. PERFORM RADAR ALIGNMENT 
    1. Perform radar alignment. Refer to Description .
    2. Perform action test. Refer to Description .
    3. Check that the vehicle ahead detection performance improves.

    Does it improve?

    YES

    Inspection End.

    NO

    GO TO 6

  6. REPLACE DISTANCE SENSOR (ICC SENSOR) 
    1. Replace the distance sensor (ICC sensor). Refer to Removal and Installation .
    2. Perform radar alignment. Refer to Description .
    3. Perform action test. Refer to Description .
    4. Check that the vehicle ahead detection performance improves.

    Does it improve?

    YES

    Inspection End.

    NO

    GO TO 7

  7. REPLACE ADAS CONTROL UNIT 

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

    Inspection End.