Nissan Sentra B18 (2020-2025) Service Manual: Idle Start/stop System Inoperative
Diagnosis Procedure
Diagnosis Procedure
Note:
Check the idle start/stop system operation condition. Refer to System Description.
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CHECK START/STOP PROHIBIT CAUSE
With CONSULTSelect “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.
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CHECK "Stop/Start error" OF CONSULT DATA MONITOR ITEM
With CONSULT-
Select "Stop/Start error" in "Monitor Menu" of "DATA MONITOR" mode in CONSULT.
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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.
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CHECK DTC
With CONSULTPerform “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.
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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
Other materials:
U2156-87 Can Comm Circuit
Dtc Description
DTC Description
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
...
Service Data and Specifications (sds). Service Data and Specifications (sds)
Service Data and Specifications (sds)
Periodical Maintenance Specification
Periodical Maintenance Specification
ENGINE COOLANT CAPACITY (APPROXIMATE)
Unit:
(US qt, Imp qt)
Engine coolant capacity (With
reservoir ta ...
Stop Lamp Switch
Component Inspection
Component Inspection
CHECK STOP LAMP SWITCH
Ignition switch OFF.
Disconnect stop lamp switch connector.
Check continuity between ...