NISSAN NOTE 2016 Service Repair Manual

EC-114
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ENGINE CONTROL SYSTEM
ABBIA3058GB
Revision: August 2015
2016 Versa Note

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ENGINE CONTROL SYSTEMEC-115
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ABBIA1685GB
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EC-116
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ENGINE CONTROL SYSTEM
ABBIA3059GB
Revision: August 2015
2016 Versa Note

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ENGINE CONTROL SYSTEMEC-117
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ABBIA1687GB
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EC-118
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ENGINE CONTROL SYSTEM
ABBIA3060GB
Revision: August 2015
2016 Versa Note

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ENGINE CONTROL SYSTEMEC-119
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AABIA1415GB
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EC-120
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DIAGNOSIS AND REPAIR WORKFLOW
BASIC INSPECTION
DIAGNOSIS AND REPAIR WORKFLOW
Work FlowINFOID:0000000012431348
OVERALL SEQUENCE
*1: Include 1st trip DTC.
*2: Include 1st trip freeze frame data.
JSBIA0123GB
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DIAGNOSIS AND REPAIR WORKFLOWEC-121
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DETAILED FLOW
1.GET INFORMATION FOR SYMPTOM
1. Get the detailed information from the customer about the symptom (the condition and the environment when the incident/malfunction occurred) using the “Diagnostic Work Sheet”. (Refer to EC-123, "
Diagnostic
Work Sheet".)
2. Ask if the customer requests I/M examination.
Malfunction information, obtained>>GO TO 2.
No malfunction information, but a request for I/M examination>>GO TO 13.
2.CHECK DTC
1. Check DTC.
2. Perform the following procedure if DTC is displayed.
- Record DTC and freeze frame data. (Pri nt them out with CONSULT or GST.)
- Erase DTC.
With CONSULT: “How to Erase DTC and 1st Trip DTC” in EC-60, "
CONSULT Function".
Without CONSULT: “How to Erase Self-diagnostic Results” in EC-57, "
On Board Diagnosis Function".
- Study the relationship between the cause detected by DTC and the symptom described by the customer.
(Symptom Table is useful. Refer to EC-464, "
Symptom Table".)
3. Check related service bulletins for information.
Is any symptom described and is any DTC detected?
Symptom is described, DTC is detected>>GO TO 3.
Symptom is described, DTC is not detected>>GO TO 4.
Symptom is not described, DTC is detected>>GO TO 5.
3.CONFIRM THE SYMPTOM
Try to confirm the symptom described by the customer (except MIL ON).
Also study the normal operation and fail sa fe related to the symptom. Refer to EC-470, "
Description" and EC-
83, "FailSafe".
Diagnostic Work Sheet is useful to verify the incident.
Verify relation between the symptom and t he condition when the symptom is detected.
>> GO TO 5.
4.CONFIRM THE SYMPTOM
Try to confirm the symptom described by the customer.
Also study the normal operation and fail sa fe related to the symptom. Refer to EC-470, "
Description" and EC-
83, "FailSafe".
Diagnostic Work Sheet is useful to verify the incident.
Verify relation between the symptom and t he condition when the symptom is detected.
>> GO TO 6.
5.PERFORM DTC CONFIRMATION PROCEDURE
Perform DTC CONFIRMATION PROCEDURE for the di splayed DTC, and then make sure that DTC is
detected again.
If two or more DTCs are detected, refer to EC-85, "
DTCInspectionPriorityChart" and determine trouble
diagnosis order.
NOTE:
• Freeze frame data is useful if the DTC is not detected.
• Perform Component Function Check if DTC CONF IRMATION PROCEDURE is not included on Service
Manual. This simplified check procedure is an effect ive alternative though DTC cannot be detected during
this check.
If the result of Component Function Check is NG, it is the same as the detection of DTC by DTC CONFIR-
MATION PROCEDURE.
Is DTC detected?
YES >> GO TO 10.
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EC-122
< BASIC INSPECTION >[HR16DE]
DIAGNOSIS AND REPAIR WORKFLOW
NO >> Check according to
GI-42, "Intermittent Incident".
6.PERFORM BASIC INSPECTION
Perform EC-133, "
Work Procedure".
Do you have CONSULT?
YES >> GO TO 7.
NO >> GO TO 9.
7.PERFORM “SPEC” IN DATA MONITOR MODE
With CONSULT
Make sure that “MAS A/F SE-B1”, “B/FUEL SCHDL” and “A/F ALPHA-B1” are within the SP value in “SPEC”
of “DATA MONITOR” mode with CONSULT. Refer to EC-151, "
Component Function Check".
Is the measurement value within the SP value?
YES >> GO TO 9.
NO >> GO TO 8.
8.DETECT MALFUNCTIONING PART BY TROUBL E DIAGNOSIS - SPECIFICATION VALUE
Detect malfunctioning part according to EC-152, "
Diagnosis Procedure".
Is malfunctioning part detected?
YES >> GO TO 11.
NO >> GO TO 9.
9.DETECT MALFUNCTIONING SYSTEM BY SYMPTOM TABLE
Detect malfunctioning system according to EC-464, "
Symptom Table" based on the confirmed symptom in
step 4, and determine the trouble diagnosis order based on possible causes and symptom.
>> GO TO 10.
10.DETECT MALFUNCTIONING PA RT BY DIAGNOSIS PROCEDURE
Inspect according to Diagnos is Procedure of the system.
NOTE:
The Diagnosis Procedure in EC section described based on open circuit inspection. A short circuit inspection
is also required for the circuit check in the Diagnosis Procedure. For details, refer to GI-44, "
Circuit Inspec-
tion".
Is malfunctioning part detected?
YES >> GO TO 11.
NO >> Monitor input data from related sensors or check the voltage of related ECM terminals using CON- SULT. Refer to EC-71, "
Reference Value".
11 .REPAIR OR REPLACE THE MALFUNCTIONING PART
1. Repair or replace the malfunctioning part.
2. Reconnect parts or connectors disconnected during Diagnosis Procedure again after repair and replace- ment.
3. Check DTC. If DTC is displayed, erase it.
With CONSULT: “How to Erase DTC and 1st Trip DTC” in EC-60, "
CONSULT Function".
Without CONSULT: “How to Erase Self-diagnostic Results” in EC-57, "
On Board Diagnosis Function".
>> GO TO 12.
12.FINAL CHECK
When DTC was detected in step 2, perform DTC CO NFIRMATION PROCEDURE or Component Function
Check again, and then make sure that the malfunction have been repaired securely.
When symptom was described from the customer, refer to confirmed symptom in step 3 or 4, and make sure
that the symptom is not detected.
Is DTC detected and does symptom remain?
YES-1 >> DTC is detected: GO TO 10.
YES-2 >> Symptom remains: GO TO 6.
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DIAGNOSIS AND REPAIR WORKFLOWEC-123
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NO-1 >> No request for I/M examination from the custom
er: Before returning the vehicle to the customer,
always erase unnecessary DTC in ECM and TCM ( With CONSULT: Refer to “How to Erase
DTC and 1st Trip DTC” in EC-60, "
CONSULT Function", Without CONSULT: Refer to “How to
Erase Self-diagnostic Results” in EC-57, "
On Board Diagnosis Function").
NO-2 >> I/M examination, requested from the customer: GO TO 13.
13.PREPARE FOR I/M EXAMINATION
1. Set SRT codes. Refer to EC-139, "
Description".
2. Erase permanent DTCs. Refer to EC-145, "
Description".
>> INSPECTION END
Diagnostic Work SheetINFOID:0000000012431349
DESCRIPTION
There are many operating conditions that lead to the malfunction of
engine components. A good grasp of such conditions can make trou-
bleshooting faster and more accurate.
In general, each customer feels differently about symptoms. It is
important to fully understand the symptoms or conditions for a cus-
tomer complaint.
Utilize a diagnostic worksheet like the WORKSHEET SAMPLE
below in order to organize all the information for troubleshooting.
Some conditions may cause the MIL to illuminate or blink, and DTC
to be detected. Examples:
• Vehicle ran out of fuel, which caused the engine to misfire.
• Fuel filler cap was left off or incorrectly screwed on, allowing fuel to evaporate into the atmosphere.
SEF907L
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