Nissan Sentra B18 (2020-2025) Service Manual: Idle Start/stop System Inoperative

Nissan Sentra B18 (2020-2025) Service Manual / Engine / Work Procedure (After Replacing Electric Throttle Control Actuator) / Symptom Diagnosis / Idle Start/stop System Inoperative

Diagnosis Procedure

Diagnosis Procedure Note:

Check the idle start/stop system operation condition. Refer to System Description.

CHECK START/STOP PROHIBIT CAUSE

With CONSULT

Select “Stop/Start prohibit cause data recorder” in “WORK SUPPORT” mode of “ENGINE” using CONSULT.

Does "Stop/Start prohibit cause data recorder" show fail-safe?
YES >>
GO TO 2.
NO >>
Check the operating status of system start/stop. Refer to System Description. After confirmation, 4.
CHECK "Stop/Start error" OF CONSULT DATA MONITOR ITEM

With CONSULT
1. Select "Stop/Start error" in "Monitor Menu" of "DATA MONITOR" mode in CONSULT.
2. Check the displayed data monitor items. Refer to Diagnosis Description.
Are there any "NG" monitor items?
YES >>
After confirming the "NG" item, GO TO 3.
NO >>
GO TO 3.
CHECK DTC

With CONSULT

Perform “All DTC Reading” with CONSULT.

Does it detect the DTC associated with "Stop/Start error" of "DATA MONITOR"?
YES >>
Perform trouble diagnosis of detected DTC. After repairing the defective part, 4.
NO >>
GO TO 4.

CHECK START/STOP INDICATOR / LAMP

Check the start/stop indicator / lamp.

WARNING LAMP/INDICATOR LAMP / INDICATOR	CONDITION
Start/Stop indicator / lamp	Not blinking

Is the start/stop indicator / lamp blinking?

YES >>

Refer to Symptom Table.

NO >>

INSPECTION END

Does Not Restart After the Idle Start/stop System Is Activated

Diagnosis Procedure Diagnosis Procedure CHECK SYMPTOM Check the symptoms. A start/stop indicator lamp turned on, and did an engine perform a stall at the time of r ...

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