Nissan Sentra B18 (2020-2025) Service Manual: Symptom Diagnosis
Rear Automatic Braking
Symptom Table
Symptom Table
CAUTION:
Perform the self-diagnosis with CONSULT before the symptom diagnosis. Perform the trouble diagnosis if any DTC is detected.
|
Symptom |
Inspection item/Reference page |
|
|---|---|---|
|
RAB system does not turn ON/OFF |
RAB warning lamp is not turned ON⇔OFF when operating combination meter |
Description |
System Settings Cannot Be Turned On/off
Description
Description
RAB system does not turn ON/OFF. Refer to Diagnosis Procedure.
-
RAB warning lamp does not illuminate even if the steering switch is operated when RAB warning lamp is not illuminated.
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RAB warning lamp does not turn off even if the steering switch is operated when RAB warning lamp is illuminated.
The system ON/OFF condition will be memorized even if the ignition switch turns OFF.
Diagnosis Procedure
Diagnosis Procedure
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PERFORM THE SELF-DIAGNOSIS
-
Perform “All DTC Reading” with CONSULT.
-
Check if the DTC is detected in self-diagnosis results for “ICC/ADAS 2” with CONSULT. Refer to DTC Index.
Is any DTC detected?
YES >>GO TO 4.
NO >>GO TO 2.
-
-
RAB WARNING LAMP
Check if the RAB warning lamp illuminates when the turn ignition switch.
Is the inspection result normal?
YES >>Refer to Work Flow.
NO >>GO TO 3.
-
CHECK COMBINATION METER
Perform On Board Diagnosis of combination meter. Refer to On Board Diagnosis Function(with Type A meter) or On Board Diagnosis Function (with Type B meter).
Is the inspection result normal?
YES >>Replace the ADAS control unit 2. Refer to Removal and Installation.
NO >>Replace the combination meter. Refer to Removal and Installation(4.2 inch Information Display) or Removal and Installation(7 inch Information Display).
-
REPAIR OR REPLACE MALFUNCTIONING PARTS
Repair or replace malfunctioning parts.
>>GO TO 6.
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CHECK RAB SYSTEM
-
Check that RAB warning lamp turned ON⇔OFF, when operating steering switch. (With 7 inch information switch)
-
Check that RAB warning lamp turned ON⇔OFF, when operating AEB switch. (With 3.5 inch information switch)
INSPECTION END
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