Nissan X-Trail 32. Instruction — part 525
B2419 OPEN SWITCH
DLK-441
< DTC/CIRCUIT DIAGNOSIS >
[TYPE 2]
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
YES
>> INSPECTION END
NO
>> Replace automatic back door control unit. Refer to
DLK-633, "Removal and Installation"
.
DLK-442
< DTC/CIRCUIT DIAGNOSIS >
[TYPE 2]
B2420 CLOSE SWITCH
B2420 CLOSE SWITCH
DTC Description
INFOID:0000000010717489
DTC DETECTION LOGIC
POSSIBLE CAUSE
• Entry of foreign materials to back door lock assembly
• Back door mechanism
• Close switch
• Harness or connectors (close switch circuit is open or shorted)
• 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.
Check “Self Diagnostic Result” mode of “AUTO BACK DOOR” using CONSULT.
Is DTC detected?
YES
>> Refer to
DLK-442, "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:0000000010717490
1.
CHECK FOR FOREIGN MATERIALS IN BACK DOOR LOCK ASSEMBLY
Check for entry of foreign materials in back door lock assembly.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Remove foreign materials.
2.
CHECK BACK DOOR OPEN/CLOSE OPERATION
Instructionly check open and close operation of back door.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace the malfunctioning parts.
3.
CHECK CLOSE SWITCH SIGNAL
1.
Select “AUTO BACK DOOR” using CONSULT.
2.
Select “CLOSE SW” in “DATA MONITOR” mode.
3.
Check that the function operates normally according to the following conditions.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> GO TO 4.
4.
CHECK CLOSE SWITCH INPUT SIGNAL
DTC No.
CONSULT screen items (Trou-
ble diagnosis content)
DTC detecting condition
B2420
CLOSE SW
(Close switch)
Automatic back door control unit detects a malfunction of close switch dur-
ing automatic operation of back door
Monitor item
Condition
Status
CLOSE SW
Back door
Closure operation
ON
Other than above
OFF
B2420 CLOSE SWITCH
DLK-443
< DTC/CIRCUIT DIAGNOSIS >
[TYPE 2]
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
1.
Turn ignition switch OFF.
2.
Disconnect back door lock assembly connector.
3.
Check voltage between back door lock assembly harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> GO TO 5.
5.
CHECK CLOSE SWITCH CIRCUIT
1.
Disconnect automatic back door control unit connector.
2.
Check continuity between automatic back door control unit harness connector and back door lock assem-
bly harness connector.
3.
Check continuity between automatic back door control unit harness connector and ground.
Is the inspection result normal?
YES
>> Replace automatic back door control unit. Refer to
DLK-633, "Removal and Installation"
.
NO
>> Repair or replace harness.
6.
CHECK CLOSE SWITCH GROUND CIRCUIT
Check continuity between back door lock assembly harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> Repair or replace harness.
7.
CHECK INTERMITTENT INCIDENT
GI-44, "Intermittent Incident"
.
Is the inspection result normal?
YES
>> GO TO 8.
NO
>> Repair or replace harness.
8.
REPLACE BACK DOOR LOCK ASSEMBLY
1.
Replace back door lock assembly. Refer to
DLK-619, "DOOR LOCK : Removal and Installation"
.
2.
Erase DTC.
3.
Perform DTC CONFIRMATION PROCEDURE for DTC 2420.
Refer to
.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace automatic back door control unit. Refer to
DLK-633, "Removal and Installation"
.
(+)
(–)
Voltage
(Approx.)
Back door lock assembly
Connector
Terminal
D172
5
Ground
12.2 V
Automatic back door control unit
Back door lock assembly
Continuity
Connector
Terminal
Connector
Terminal
B24
5
D172
5
Existed
Automatic back door control unit
Ground
Continuity
Connector
Terminal
B24
5
Not existed
Back door lock assembly
Ground
Continuity
Connector
Terminal
D172
8
Existed
DLK-444
< DTC/CIRCUIT DIAGNOSIS >
[TYPE 2]
B2422 BACK DOOR STATE
B2422 BACK DOOR STATE
DTC Description
INFOID:0000000010717491
DTC DETECTION LOGIC
POSSIBLE CAUSE
• Improper installation of back door assembly
• [CALIBRATION OF AUTOMATIC BACK DOOR POSITION INFORMATION]: not complete
• Back door mechanism
• Encoder
• Harness or connectors (encoder circuit is open or shorted)
• 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-444, "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:0000000010717492
1.
CALIBRATION OF AUTOMATIC BACK DOOR POSITION INFORMATION
1.
Perform initialization setting of automatic back door position information.
Refer to
.
2.
Erase DTC, and then repeat “PERFORM DTC CONFIRMATION PROCEDURE”.
Is DTC detected?
YES
>> GO TO 2.
NO
>> INSPECTION END
2.
CHECK INSTALLATION OF BACK DOOR ASSEMBLY
1.
Check that back door assembly is installed normally.
Refer to
DLK-601, "BACK DOOR ASSEMBLY : Adjustment"
2.
Check back door assembly mechanism deformation, looseness, rattle, interference with other parts, and
pinched foreign materials.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace the malfunctioning parts.
3.
CHECK ENCODER SIGNAL
1.
Turn ignition switch ON.
2.
Select “AUTO BACK DOOR” using CONSULT.
3.
Select “SPINDLE SENSOR LH” and “SPINDLE SENSOR RH” 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
B2422
BACK DOOR STATE
(Back door state)
When the automatic back door control unit detects back door position mal-
function according to the pulse signal
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