Nissan Juke F15. Manual — part 1309
TM-426
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DIAGNOSIS AND REPAIR WORK FLOW
BASIC INSPECTION
DIAGNOSIS AND REPAIR WORK FLOW
Work Flow
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NOTE:
“DTC” includes DTC at the 1st trip.
1.
OBTAIN INFORMATION ABOUT SYMPTOM
Refer to
TM-427, "Diagnostic Work Sheet"
and interview the customer to obtain the malfunction information
(conditions and environment when the malfunction occurred) as much as possible when the customer brings
in the vehicle.
>> GO TO 2.
2.
CHECK DTC
1. Before checking the malfunction, check whether any DTC exists.
2. If DTC exists, perform the following operations.
-
Records the DTCs. (Print out using CONSULT and affix to the Work Order Sheet.)
-
Erase DTCs.
-
Check the relation between the cause found by DTC and the malfunction information from customer.
can be used effectively.
3. Check the relevant information including STI, etc.
Do malfunction information and DTC exists?
Malfunction information and DTC exists.>>GO TO 3.
Malfunction information exists but no DTC.>>GO TO 4.
No malfunction information, but DTC exists.>>GO TO 5.
3.
REPRODUCE MALFUCTION SYSTEM
Check the malfunction described by the customer on the vehicle.
Check if the behavior is fail safe or normal operation. Refer to
Interview sheet can be used effectively when reproduce malfunction conditions. Refer to
Verify the relationship between the symptom and the conditions in which the malfunction described by the cus-
tomer occurs.
>> GO TO 5.
4.
REPRODUCE MALFUNCTION SYMPTOM
Check the malfunction described by the customer on the vehicle.
Check if the behavior is fail safe or normal operation. Refer to
Interview sheet can be used effectively when reproduce malfunction conditions. Refer to
Verify the relationship between the symptom and the conditions in which the malfunction described by the cus-
tomer occurs.
>> GO TO 6.
5.
PERFORM “DTC CONFIRMATION PROCEDURE”
Perform “DTC CONFIRMATION PROCEDURE” of the appropriate DTC to check if DTC is detected again.
TM-413, "DTC Inspection Priority Chart"
when multiple DTCs are detected, and then determine the
order for performing the diagnosis.
Is any DTC detected?
YES
>> GO TO 7.
NO
>> Follow
GI-45, "Intermittent Incident"
to check.
6.
IDENTIFY MALFUNCTIONING SYSTEM WITH “DIAGNOSIS CHART BY SYMPTOM”
DIAGNOSIS AND REPAIR WORK FLOW
TM-427
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Use
from the symptom inspection result in step 4. Then identify where to start per-
forming the diagnosis based on possible causes and symptoms.
>> GO TO 8.
7.
REPAIR OR REPLACE THE MALFUNCTIONING PARTS
Repair or replace the detected malfunctioning parts.
Reconnect parts or connector after repairing or replacing, and then erase DTC if necessary.
>> GO TO 8.
8.
FINAL CHECK
Perform “DTC CONFIRMATION PROCEDURE” again to make sure that the repair is correctly performed.
Check that malfunctions are not reproduced when obtaining the malfunction information from the customer,
referring to the symptom inspection result in step 3 or 4.
Is DTC or malfunction symptom reproduced?
YES-1 (DTC is reproduced.)>>GO TO 5.
YES-2 (Malfunction is reproduced.)>>GO TO 6.
NO
>> Before delivering the vehicle to the customer, make sure that DTC is erased.
Diagnostic Work Sheet
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DESCRIPTION
There are many operating conditions that may cause a malfunction
of the transmission parts. By understanding those conditions prop-
erly, a quick and exact diagnosis can be achieved.
In general, perception of a problem varies depending on individuals.
Ask the customer about his/her concerns carefully. It is important to
understand the phenomenon or status. To systemize all the informa-
tion for the diagnosis, prepare the question sheet referring to the
question points.
In some cases, multiple conditions that appear simultaneously may
cause a DTC to be detected.
Worksheet Sample
SEF907L
Question sheet
Customer's
name
MR/MS
Registration
number
Initial year
registration
Year
Month
day
Vehicle type
Chassis No.
Storage date
Year
Month
day
Engine
Mileage
km/mile
Symptom
Vehicle does not start. ( R position D position M position)
Upshifting does not occur.
Downshifting does not occur.
Lock-up malfunction
Shift point is too high.
Shift point is too low.
Shift shock ( N
⇒D Lock-up R, D, and M position)
Slip ( N
⇒D Lock-up R, D, and M position)
Noise
Vibration
When selector lever position is shifted, shift pattern does not change.
Other
(
)
First occurrence
Recently (as from month
of year
)
Frequency of occurrence
Always
Under certain conditions
Sometimes (
time(s)/day)
TM-428
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DIAGNOSIS AND REPAIR WORK FLOW
Climate con-
ditions
Irrelevant
Weather
Clear
Cloud
Rain
Snow
Others
)
Temperature
Hot
Warm
Cool
Cold
Temperature (Approx.
°C/°F)
Relative humidity
High
Moderate
Low
Transaxle condition
In cold-start
During warm-up (approx.
°C/°F)
After warm-up
Engine speed:
rpm
Road conditions
Urban area
Suburb area
Highway
Mountainous road (uphill or downhill)
Operating condition, etc.
Irrelevant
When engine starts
During idling
During driving
During acceleration
At constant speed driving
During deceleration
During cornering (RH curve or LH curve)
Other conditions
Question sheet
Customer's
name
MR/MS
Registration
number
Initial year
registration
Year
Month
day
Vehicle type
Chassis No.
Storage date
Year
Month
day
Engine
Mileage
km/mile
ADDITIONAL SERVICE WHEN REPLACING TCM
TM-429
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ADDITIONAL SERVICE WHEN REPLACING TCM
Description
INFOID:0000000012201123
Always perform the following items when the TCM is replaced. For work procedure, refer to
.
TCM PROGRAMMING
• Since vehicle specifications are not yet written in a new TCM, it is necessary to write them with CONSULT.
CAUTION:
When replacing TCM, save TCM data on CONSULT before removing TCM.
SAVING AND WRITING OF TCM DATA
• TCM performs accurate control by retrieving data (inherent characteristic value) of each solenoid. For this
reason, it is necessary to save data of current TCM in CONSULT before replacing the TCM. After this, the
saved data must be written in new TCM.
Work Procedure
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1.
CHECK NEW TCM PART NUMBER
Check new TCM part number to see whether it is blank TCM or not.
NOTE:
• Part number of blank TCM is 310F6-XXXXX.
• Check the part number when ordering TCM or with the one included in the label on the container box.
Is the new TCM a blank TCM?
YES
>> GO TO 2.
NO
>> GO TO 3.
2.
SAVING TCM DATA (VEHICLE SPECIFICATIONS)
With CONSULT
1. Turn ignition switch OFF.
2. Turn ignition switch ON.
3. Select “Re/programming, Configuration”.
4. Select “AT/CVT”.
NOTE:
If “AT/CVT” is not displayed and TCM data cannot be saved on CONSULT, GO TO 3.
5. Select “Programming”.
6. Save TCM data on CONSULT according to the CONSULT display.
>> GO TO 3.
3.
REPLACE TCM
1. Turn ignition switch OFF and wait for 10 seconds.
2. Replace TCM. Refer to
TM-554, "Removal and Installation"
.
>> GO TO 4.
4.
LOAD CALIBRATION DATA
1. Shift the selector lever to the “P” position.
2. Turn ignition switch ON.
3. Check that “P” is displayed on shift position indicator on combination meter.
NOTE:
Displayed approximately 4 – 5 seconds after the selector lever is moved to the “P” position.
Does the shift position indicator display “P”?
YES
>> GO TO 5.
NO
>> GO TO 7.
5.
STORE CALIBRATION DATA
1. Turn ignition switch OFF and wait for 5 seconds.
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