Nissan X-Trail 32. Manual - part 443

DIAGNOSIS AND REPAIR WORK FLOW

DLK-113

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1.

GET INFORMATION FOR SYMPTOM

1.

Get detailed information from the customer about the symptom (the condition and the environment when
the incident/malfunction occurs).

2.

Check operation condition of the function that is malfunctioning.

>> GO TO 2.

2.

CHECK DTC

1.

Check DTC.

2.

Perform the following procedure if DTC is detected.

-

Record DTC and freeze frame data (print them out using CONSULT).

-

Erase DTC.

-

Study the relationship between the cause detected by DTC and the symptom described by the customer.

3.

Check related service bulletins for information.

Are any symptoms described or any DTC detected?

Symptom is described, DTC is displayed>>GO TO 3.
Symptom is described, DTC is not displayed>>GO TO 4.
Symptom is not described, DTC is displayed>>GO TO 5.

3.

CONFIRM THE SYMPTOM

Confirm the symptom described by the customer.
Also study the normal operation and fail-safe related to the symptom.
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.
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 detected DTC, and then check that DTC is detected
again. At this time, always connect CONSULT to the vehicle, and check diagnostic results in real time.
If two or more DTCs are detected, refer to 

BCS-77, "DTC Inspection Priority Chart"

 (BCM) or 

DLK-88,

"DTC Inspection Priority Chart"

 (automatic back door control unit), 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 7.

NO

>> Refer to 

GI-44, "Intermittent Incident"

.

6.

DETECT MALFUNCTIONING SYSTEM BY SYMPTOM DIAGNOSIS

Detect malfunctioning system according to SYMPTOM DIAGNOSIS based on the confirmed symptom in step
4, and determine the trouble diagnosis order based on possible causes and symptom.

IS the symptom described?

YES

>> GO TO 7.

NO

>> Monitor input data from related sensors or check voltage of related module terminals using CON-

SULT.

7.

DETECT MALFUNCTIONING PART BY DIAGNOSIS PROCEDURE

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DIAGNOSIS AND REPAIR WORK FLOW

Inspect according to Diagnosis Procedure of the system.

Is malfunctioning part detected?

YES

>> GO TO 8.

NO

>> Check according to 

GI-44, "Intermittent Incident"

.

8.

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 for DTC. If DTC is displayed, erase it.

>> GO TO 9.

9.

FINAL CHECK

When DTC is detected in step 2, perform DTC CONFIRMATION PROCEDURE again, and then check that the
malfunction is completely repaired.
When symptom is described by the customer, refer to confirmed symptom in step 3 or 4, and check that the
symptom is not detected.

Is DTC detected and does symptom remain?

YES-1 >> DTC is detected: GO TO 7.
YES-2 >> Symptom remains: GO TO 4.
NO

>> Before returning the vehicle to the customer, always erase DTC.

ADDITIONAL SERVICE WHEN REMOVING BATTERY NEGATIVE TERMINAL

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ADDITIONAL SERVICE WHEN REMOVING BATTERY NEGATIVE TERMI-
NAL

Description

INFOID:0000000010708069

When the battery is disconnected from the negative terminal, it is necessary to perform initial setting to oper-
ate automatic back door control system normally. Refer to 

DLK-117, "Work Procedure"

.

Work Procedure

INFOID:0000000010708070

1.

INITIALIZATION

1.

Fully close the back door manually. (When back door is already fully closed, this operation is not neces-
sary)

2.

Perform automatic back door open/close operation of back door.

3.

Check for noise or malfunctioning during operation.

4.

Check automatic back door warning buzzer operates.

NOTE:
Never touch back door, or allow foreign materials to be pinched in back door, when performing automatic back
door open/close operation of back door, until it is in the fully closed or fully open position.

>> WORK END

DLK-116

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ADDITIONAL SERVICE WHEN REPLACING AUTOMATIC BACK DOOR CON-

TROL UNIT

ADDITIONAL SERVICE WHEN REPLACING AUTOMATIC BACK DOOR
CONTROL UNIT

Description

INFOID:0000000010708071

When replacing automatic back door control unit, or removing connector terminal, it is necessary to perform
initial setting to operate automatic back door system normally. Refer to 

DLK-116, "Work Procedure"

.

Work Procedure

INFOID:0000000010708072

1.

STEP 1

1.

Select “AUTO BACK DOOR” using CONSULT.

2.

Select “RESET AUTO BACK DOOR STATUS” of “WORK SUPPORT” mode.

3.

Touch “Start” to erase automatic back door position information.

>> GO TO 2.

2.

STEP 2

Fully close the back door manually.

>> GO TO 3.

3.

STEP 3

Operate back door opener switch and perform automatic back door open operation.

>> GO TO 4.

4.

STEP 4

1.

The back door fully opens.

2.

Check that automatic back door warning buzzer sounds normally.

Does automatic back door warning buzzer sound normally?

YES

>> GO TO 5.

NO

>> GO TO 2.

5.

STEP 5

Fully close the back door.

>> WORK END