Diagnosis Procedure

Diagnosis Procedure

When AEB system is active, the 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 Description.

   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 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.

   >>

   Inspection End.

4. VISUAL CHECK (2)

   Check distance sensor and distance 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 Work Procedure.

   2. Perform action test. Refer to Work Procedure.

   3. Check that the Nissan Sentra vehicle ahead detection performance improves.

   Does it improve?

   YES >>

   Inspection End.

   NO >>

   GO TO 6.

6. REPLACE DISTANCE SENSOR

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

   2. Perform radar alignment. Refer to Work Procedure.

   3. Perform action test. Refer to Work Procedure.

   4. Check that the Nissan Sentra vehicle ahead detection performance improves.

   Does it improve?

   YES >>

   Inspection End.

   NO >>

   GO TO 7.

7. REPLACE ADAS CONTROL UNIT 2

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

   >>

   Inspection End.