Nissan X-Trail 32. Manual - part 521

ADDITIONAL SERVICE WHEN REMOVING BATTERY NEGATIVE TERMINAL

DLK-425

< BASIC INSPECTION >

[TYPE 2]

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ADDITIONAL SERVICE WHEN REMOVING BATTERY NEGATIVE TERMI-
NAL

Description

INFOID:0000000010717471

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-427, "Work Procedure"

.

Work Procedure

INFOID:0000000010717472

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-426

< BASIC INSPECTION >

[TYPE 2]

ADDITIONAL SERVICE WHEN REPLACING AUTOMATIC BACK DOOR CON-

TROL UNIT

ADDITIONAL SERVICE WHEN REPLACING AUTOMATIC BACK DOOR
CONTROL UNIT

Description

INFOID:0000000010717473

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-426, "Work Procedure"

.

Work Procedure

INFOID:0000000010717474

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

CALIBRATION OF AUTOMATIC BACK DOOR POSITION INFORMATION

DLK-427

< BASIC INSPECTION >

[TYPE 2]

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CALIBRATION OF AUTOMATIC BACK DOOR POSITION INFORMATION

Description

INFOID:0000000010717475

When the following work is performed, it is necessary to perform initial setting of automatic back door position
information to operate automatic back door system.
• After removing and installing, or replacing automatic back door control unit
• After removing and installing, or replacing back door assembly
• After removing and installing, or replacing spindle unit

Work Procedure

INFOID:0000000010717476

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 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

DLK-428

< DTC/CIRCUIT DIAGNOSIS >

[TYPE 2]

B2401 IGNITION POWER SUPPLY CIRCUIT

DTC/CIRCUIT DIAGNOSIS

B2401 IGNITION POWER SUPPLY CIRCUIT

DTC Description

INFOID:0000000010717477

DTC DETECTION LOGIC

POSSIBLE CAUSE

• CAN communication system
• BCM
• Automatic back door control unit

FAIL-SAFE

Inhibit automatic back door operation

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn ignition switch ON.

2.

Operate automatic back door.

3.

Check “Self Diagnostic Result” mode of “AUTO BACK DOOR” using CONSULT.

Is DTC detected?

YES

>> Refer to 

DLK-428, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to 

GI-44, "Intermittent Incident"

.

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010717478

1.

CHECK DTC PRIORITY

If DTC B2401 is displayed with DTC U1000 or U1010, first perform the trouble diagnosis for DTC U1000 or
U1010.

Is applicable DTC detected?

YES

>> U1000: Refer to 

DLK-466, "DTC Description"

. U1010: Refer to 

DLK-467, "DTC Description"

.

NO

>> GO TO 2.

2.

CHECK DTC OF BCM AND IPDM E/R

Check DTC in “Self Diagnostic Result” mode of “BCM” and “IPDM E/R” using CONSULT.
Is DTC detected?

YES

>> Refer to 

BCS-78, "DTC Index"

 (BCM) or 

PCS-38, "DTC Index"

 (IPDM E/R).

NO

>> GO TO 3.

3.

CHECK BCM OUTPUT SIGNAL

1.

Turn ignition switch ON.

2.

Select “AUTO BACK DOOR” using CONSULT.

3.

Select “IGN SW” in “DATA MONITOR” mode.

4.

Check that the function operates normally according to the following conditions.

DTC No.

CONSULT screen items (Trou-

ble diagnosis content)

DTC detecting condition

B2401

IGN OPEN

(Ignition open)

Automatic back door control unit cannot detect ignition switch ON signal 
via CAN communication with BCM

Monitor item

Condition

Status

IGN SW

Ignition switch (automatic back 
door control unit judgment)

ON

ON

OFF

OFF