Nissan Juke (2016 year). Service Repair Manual — part 241
DIAGNOSIS AND REPAIR WORKFLOW
EC-743
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[MR EXCEPT FOR NISMO RS MODELS]
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BASIC INSPECTION
DIAGNOSIS AND REPAIR WORKFLOW
Work Flow
INFOID:0000000012198252
OVERALL SEQUENCE
*1: Include 1st trip DTC.
*2: Include 1st trip freeze frame data.
JSBIA0123GB
Revision: November 2015
2016 JUKE
EC-744
< BASIC INSPECTION >
[MR EXCEPT FOR NISMO RS MODELS]
DIAGNOSIS AND REPAIR WORKFLOW
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
.)
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. (Print them out using CONSULT or GST.)
-
Erase DTC.
With CONSULT: “How to Erase DTC and 1st Trip DTC” in
.
-
Study the relationship between the cause detected by DTC and the symptom described by the customer.
(Symptom Table is useful. Refer to
.)
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 safe related to the symptom. Refer to
Diagnosis Work Sheet is useful to verify the incident.
Verify relation between the symptom and the 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 safe related to the symptom. Refer to
Diagnosis Work Sheet is useful to verify the incident.
Verify relation between the symptom and the condition when the symptom is detected.
>> GO TO 6.
5.
PERFORM DTC CONFIRMATION PROCEDURE
Perform DTC CONFIRMATION PROCEDURE for the displayed DTC, and then make sure that DTC is
detected again.
If two or more DTCs are detected, refer to
EC-704, "DTC Inspection Priority Chart"
and determine trouble
diagnosis order.
NOTE:
• Freeze frame data is useful if the DTC is not detected.
• Perform Component Function Check if DTC CONFIRMATION PROCEDURE is not included on Service
Manual. This simplified check procedure is an effective 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.
NO
>> Check according to
Revision: November 2015
2016 JUKE
DIAGNOSIS AND REPAIR WORKFLOW
EC-745
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[MR EXCEPT FOR NISMO RS MODELS]
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6.
PERFORM BASIC INSPECTION
Perform
Do you have CONSULT?
YES
>> GO TO 7.
NO
>> GO TO 9.
7.
PERFORM SPEC IN DATA MONITOR MODE
With CONSULT
Make sure that “MASS AIR FLOW SENSOR (Hz)”, “B/FUEL SCHDL” and “A/F ALPHA-B1” are within the SP
value using CONSULT in “SPEC” of “DATA MONITOR” mode. Refer to
.
Is the measurement value within the SP value?
YES
>> GO TO 9.
NO
>> GO TO 8.
8.
DETECT MALFUNCTIONING PART BY TROUBLE DIAGNOSIS - SPECIFICATION VALUE
Detect malfunctioning part according to
.
Is malfunctioning part detected?
YES
>> GO TO 11.
NO
>> GO TO 9.
9.
DETECT MALFUNCTIONING SYSTEM BY SYMPTOM TABLE
Detect malfunctioning system according to
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 PART BY DIAGNOSIS PROCEDURE
Inspect according to Diagnosis 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 Circuit Inspection in
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
.
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. Refer to the following.
With CONSULT: “How to Erase DTC and 1st Trip DTC” in
>> GO TO 12.
12.
FINAL CHECK
When DTC was detected in step 2, perform DTC CONFIRMATION 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.
Revision: November 2015
2016 JUKE
EC-746
< BASIC INSPECTION >
[MR EXCEPT FOR NISMO RS MODELS]
DIAGNOSIS AND REPAIR WORKFLOW
NO-1 >> No request for I/M examination from the customer: 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
, If the completion of SRT is needed,
drive vehicle under the specific driving pattern. Refer to
EC-774, "SRT Set Driving Pattern"
NO-2 >> I/M examination, requested from the customer: GO TO 13.
13.
PREPARE FOR I/M EXAMINATION
1. Set SRT codes. Refer to
2. Erase permanent DTCs. Refer to
.
>> INSPECTION END
Diagnostic Work Sheet
INFOID:0000000012198253
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 a incident. It is
important to fully understand the symptoms or conditions for a cus-
tomer complaint.
Utilize a diagnostic worksheet like the one on the next page in order
to organize all the information for troubleshooting.
Some conditions may cause the MIL to come on steady 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
Revision: November 2015
2016 JUKE
DIAGNOSIS AND REPAIR WORKFLOW
EC-747
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[MR EXCEPT FOR NISMO RS MODELS]
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WORKSHEET SAMPLE
MTBL0017
Revision: November 2015
2016 JUKE
EC-748
< BASIC INSPECTION >
[MR EXCEPT FOR NISMO RS MODELS]
SERVICE AFTER REPLACING OR REMOVING ENGINE PARTS
SERVICE AFTER REPLACING OR REMOVING ENGINE PARTS
Description
INFOID:0000000012198254
SPECIAL REPAIR REQUIREMENT
×
: Applicable
*: Harness connector disconnection included.
Part name
Service performed
Required service
Reference
Replacement
Removal
*
ECM
×
Additional service when replacing ECM
×
Accelerator pedal released position learning
Throttle valve closed position learning
Accelerator Pedal
×
×
Accelerator pedal released position learning
G sensor
×
×
G sensor calibration
Turbocharger assembly
×
×
Wastegate valve closed positon learning
Idle air volume learning
Electric throttle
×
×
Throttle valve closed position learning
Idle air volume learning
×
Air fuel ratio initial learning
Mass air flow sensor
×
Air fuel ratio initial learning
Fuel injector
×
Battery
×
Cumulative battery discharge current clear
Camshaft
×
Valve timing offset data clear
Valve timing offset data writing
Timing chain
×
Valve timing offset data clear
Valve timing offset data writing
Engine assembly
×
Idle air volume learning
Air fuel ratio initial learning
Valve timing offset data clear
Valve timing offset data writing
Wastegate valve closed positon learning
Throttle valve closed position learning
Revision: November 2015
2016 JUKE
ADDITIONAL SERVICE WHEN REPLACING ECM
EC-749
< BASIC INSPECTION >
[MR EXCEPT FOR NISMO RS MODELS]
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ADDITIONAL SERVICE WHEN REPLACING ECM
Description
INFOID:0000000012198255
When replacing ECM, the following procedure must be performed. (For details, refer to
.)
PROGRAMMING OPERATION
NOTE:
After replacing with a blank ECM, programming is required to write ECM information. Be sure to follow the pro-
cedure to perform the programming.
Work Procedure
INFOID:0000000012198256
1.
SAVE ECM DATA
With CONSULT
1. Turn ignition switch OFF.
2. Reconnect all harness connectors disconnected.
3. Turn ignition switch ON.
4. Select “SAVING DATA FOR REPLC CPU” in “WORK SUPPORT” mode of “ENGINE” using CONSULT.
5. Follow the instruction of CONSULT display.
NOTE:
Necessary data in ECM is copied and saved to CONSULT.
>> GO TO 2.
2.
CHECK ECM PART NUMBER
Check ECM part number to see whether it is blank ECM or not.
NOTE:
• Part number of blank ECM is 23703 -
×××××
.
• Check the part number when ordering ECM or with the one included in the label on the container box.
Is the ECM a blank ECM?
YES
>> GO TO 3.
NO
>> GO TO 5.
3.
SAVE ECM PART NUMBER
Read out the part number from the old ECM and save the number, following the programming instructions.
Refer to “CONSULT Operation Manual”.
NOTE:
• The ECM part number is saved in CONSULT.
• Even when ECM part number is not saved in CONSULT, go to 4.
>> GO TO 4.
4.
PERFORM ECM PROGRAMMING
After replacing ECM, perform the ECM programming. Refer to “CONSULT Operation Manual”.
NOTE:
• Refer to
EC-1256, "Removal and Installation"
for replacement of ECM.
• During programming, maintain the following conditions:
- Ignition switch: ON
- Electric load: OFF
- Brake pedal: Not depressed
- Battery voltage: 12 – 13.5 V (Be sure to check the value of battery voltage by selecting “BATTERY VOLT” in
“Data monitor” of CONSULT.)
>> GO TO 6.
5.
REPLACE ECM
EC-1256, "Removal and Installation"
Revision: November 2015
2016 JUKE
EC-750
< BASIC INSPECTION >
[MR EXCEPT FOR NISMO RS MODELS]
ADDITIONAL SERVICE WHEN REPLACING ECM
>> GO TO 6.
6.
WRITE ECM DATA
With CONSULT
1. Select “WRITING DATA FOR REPLC CPU” in “WORK SUPPORT” mode of “ENGINE” using CONSULT.
2. Follow the instruction of CONSULT display.
NOTE:
The data saved by “SAVE DATA FOR CPU REPLC” is written to ECM.
>> GO TO 7.
7.
PERFORM VIN REGISTRATION
.
>> GO TO 8.
8.
PERFORM INITIALIZATION OF NATS SYSTEM AND REGISTRATION OF ALL NATS IGNITION KEY IDS
>> GO TO 9.
9.
PERFORM ACCELERATOR PEDAL RELEASED POSITION LEARNING
.
>> GO TO 10.
10.
PERFORM THROTTLE VALVE CLOSED POSITION LEARNING
.
>> GO TO 11.
11.
PERFORM WASTEGATE VALVE CLOSED POSITION LEARNING
Perform wastegate valve closed position learning. Refer to
>> GO TO 12.
12.
PERFORM IDLE AIR VOLUME LEARNING
.
>> GO TO 13.
13.
PERFORM AIR FUEL RATIO INITIAL LEARNING
Perform air fuel ratio initial learning. Refer to
.
>> GO TO 14.
14.
PERFORM G SENSOR CALIBRATION
.
>> GO TO 15.
15.
PERFORM VALVE TIMING OFFSET DATA CLEAR
Perform valve timing offset data clear. Refer to
>> GO TO 16.
Revision: November 2015
2016 JUKE
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