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.
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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
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Perform “All DTC Reading” with CONSULT.
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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).
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REPAIR OR REPLACE MALFUNCTIONING PARTS
Repair or replace malfunctioning parts.
>>GO TO 6.
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CHECK RAB SYSTEM
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Check that RAB warning lamp turned ON⇔OFF, when operating steering switch. (With 7 inch information switch)
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Check that RAB warning lamp turned ON⇔OFF, when operating AEB switch. (With 3.5 inch information switch)
INSPECTION END
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Other materials:
Ecu Diagnosis Information. Abs Actuator and Electric Unit (control Unit)
Abs Actuator and Electric Unit (control Unit)
Values on the Diagnosis Tool
Values on the
Diagnosis Tool
Note:
The following table includes information (items)
inapplicable to this Nissan Sentra vehicle: For information (items) applicable to
this vehicle, refer to CONSULT display ...
U1300 Av Communication Circuit
Dtc Description
DTC Description
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis
content)
DTC detection condition
...
Sunload Sensor
Diagnosis Procedure
Diagnosis Procedure
CHECK SUNLOAD SENSOR SIGNAL
Ignition switch ON.
Check voltage between A/C auto amp. harness connector.
...