Nissan Versa Note. Manual - part 811

TM-124

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DIAGNOSIS AND REPAIR WORK FLOW

BASIC INSPECTION

DIAGNOSIS AND REPAIR WORK FLOW

Flowchart of Trouble Diagnosis

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NOTE:

“DTC” includes DTC at the 1st trip. 

1.

OBTAIN INFORMATION ABOUT SYMPTOM

Refer to 

TM-125, "Question sheet"

 and interview the customer to obtain the malfunction information (condi-

tions 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. 

TM-

221, "Symptom Table"

 can be used effectively.

3. Check the relevant information including STI, etc. 
Do malfunction information and DTC exist?

Malfunction information and DTC exist.>>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

TM-108, "Fail-safe"

.

Interview sheet can be used effectively when reproduce malfunction conditions. Refer to 

TM-125, "Question

sheet"

.

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

TM-108, "Fail-safe"

.

Interview sheet can be used effectively when reproduce malfunction conditions.

TM-125, "Question sheet"

.

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.

Refer to 

TM-111, "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-41, "Intermittent Incident"

 to check.

6.

IDENTIFY MALFUNCTIONING SYSTEM WITH “DIAGNOSIS CHART BY SYMPTOM”

DIAGNOSIS AND REPAIR WORK FLOW

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Use 

TM-221, "Symptom Table"

 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.

Question 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

Symptom

†

 Vehicle does not start. († R position  † D position  † L 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, L and M position)

†

 Slip († N

⇒D † Lock-up  † R, D, L 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-126

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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)

Relative humidity

†

High

†

Moderate

†

Low

Transaxle condition 

†

 In cold-start 

†

 During warm-up (approx. 

°C)

†

 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

ADDITIONAL SERVICE WHEN REPLACING TCM

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ADDITIONAL SERVICE WHEN REPLACING TCM

Description

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When replacing the TCM, perform the following work.

CHECK LOADING OF CALIBRATION DATA

• The TCM acquires calibration data (individual characteristic value) of each solenoid that is stored in the

ROM assembly (in the control valve). This enables the TCM to perform accurate control. After the TCM is

replaced, check that the TCM has correctly loaded the calibration data.

CALIBRATION OF G SENSOR

• TCM stores calibration data (inherent characteristic value) of G sensor to provide accurate control. There-

fore, it is required to perform calibration of G sensor after the replacement of TCM.

CAUTION:

When replacing TCM and transaxle assembly as a set, replace transaxle assembly first and then

replace TCM.

If the TCM is replaced in advance, perform “ADDITIONAL SERVICE WHEN REPLACING TRANSAXLE

ASSEMBLY” after “G sensor calibration”. 

Procedure

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1.

CHECK WORK CONTENTS

Replacing only the TCM>>GO TO 2.

Replacing the TCM after the transaxle assembly is replaced>>GO TO 2.

Replacing the transaxle assembly after the TCM is replaced>>GO TO 5.

2.

LOADING OF 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 3.

NO

>> GO TO 4.

3.

PERFORM G SENSOR CALIBRATION 

Refer to 

TM-130, "Procedure"

.

>> WORK END

4.

DETECT MALFUNCTIONING ITEM

Check the following items:

• Harness between the TCM and the ROM assembly inside the transaxle assembly is open or shorted.

• Disconnected, loose, bent, collapsed, or otherwise abnormal connector housing terminals
Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace the malfunctioning parts.

5.

PERFORM G SENSOR CALIBRATION 

Refer to 

TM-130, "Procedure"

.

>> Perform “ADDITIONAL SERVICE WHEN REPLACING TRANSAXLE ASSEMBLY” after “CALI-

BRATION OF G SENSOR”. Refer to 

TM-128, "Procedure"

.