Nissan Sentra B18 (2020-2025) Service Manual: Chime Does Not Sound
Diagnosis Procedure
The warning chime may not sound in some cases when there is a short distance between vehicles. Some examples are:
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When the Nissan Sentra vehicles are traveling at the same speed and the distance between vehicles is not changing.
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When the Nissan Sentra vehicle ahead is traveling faster and the distance between vehicles is increasing.
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When a Nissan Sentra vehicle cuts in near own vehicle.
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The warning chime will not sound when own vehicle approaches Nissan Sentra vehicles that are parked or moving slowly.
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PERFORM ACTIVE TEST
Check if the warning chime sounds on the following active test item with CONSULT.
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ICC/ADAS 2: “ADAS buzzer 2”
Does the warning chime sound?
YES >>GO TO 2.
NO >>GO TO 3.
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CHECK THE MALFUNCTION SYMPTOM DURING WARNING CHIME OPERATION
Understand the Nissan Sentra vehicle ahead detection condition when the malfunction occurred. If the warning chime should have sounded, replace the ADAS control unit 2. Refer to Removal and Installation.
>>GO TO 9.
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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 Network-DTC is detected in self-diagnosis results of “ICC/ADAS 2”.
Is Network-DTC detected?
YES >>GO TO 4.
NO >>GO TO 5.
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CAN COMMUNICATIONS INSPECTION
Check the CAN communication and repair or replace malfunctioning parts. Refer to DTC Index.
>>GO TO 8.
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CHECK DRIVER ASSISTANCE BUZZER CIRCUIT
Check driver assistance buzzer. Refer to Component Function Check.
Is the inspection result normal?
YES >>GO TO 7.
NO >>GO TO 6.
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REPAIR OR REPLACE MALFUNCTIONING PARTS
Repair or replace malfunctioning parts.
>>GO TO 8.
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REPLACE ADAS CONTROL UNIT 2
Replace the ADAS control unit 2. Refer to DTC Index.
>>GO TO 8.
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Check each system
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Erase “self-diagnosis result”, and then perform “All DTC Reading” again after performing the action test.
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LDW: Refer to Work Procedure.
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TSR: Refer to Work Procedure.
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BSW: Refer to Work Procedure.
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RCTA: Refer to Work Procedure.
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Check if the each system is normal.
INSPECTION END
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System Settings Cannot Be Turned On/off
Diagnosis Procedure
Diagnosis Procedure
CHECK SYSTEM SETTING
Turn ignition switch ON.
Check that the each system settings is
...
Frequently Cannot Detect the Vehicle Ahead / Detection Zone Is Short
Diagnosis Procedure
Diagnosis Procedure
Symptom check: Detection function may become unstable under the
following conditions:
When the Nissan Sentra vehicle is driving on a curv ...
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Brake Lines and Cables
Inspection
Inspection
BRAKE LINE
Check brake line (tubes and hoses) for cracks,
deterioration or other damage. Replace any damaged parts.
Check for brake fluid leaks by fully depressing
brake pedal while engine is running.
CAUTION:
...
P0171 Fuel injection system function
DTC Logic
DTC DETECTION LOGIC
With the Air/Fuel Mixture Ratio Self-Learning Control, the actual mixture
ratio can be brought closely to the
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Electric Oil Pump
Exploded View
Exploded View
1.
Transaxle assembly
2.
Electric oil pump gasket
3.
...
