Nissan X-Trail 32. Manual — part 448
B2420 CLOSE SWITCH
DLK-133
< DTC/CIRCUIT DIAGNOSIS >
[TYPE 1]
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-327, "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-312, "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-327, "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-134
< DTC/CIRCUIT DIAGNOSIS >
[TYPE 1]
B2422 BACK DOOR STATE
B2422 BACK DOOR STATE
DTC Description
INFOID:0000000010708089
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-134, "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:0000000010708090
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-293, "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
B2422 BACK DOOR STATE
DLK-135
< DTC/CIRCUIT DIAGNOSIS >
[TYPE 1]
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Is the difference between the 2 monitor items 10 or more?
YES
>> GO TO 7.
NO
>> GO TO 4.
4.
CHECK ENCODER POWER SUPPLY
1.
Turn ignition switch OFF.
2.
Disconnect spindle unit connector.
3.
Check voltage between spindle unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> GO TO 5.
5.
CHECK ENCODER CIRCUIT
1.
Disconnect automatic back door control unit connector.
2.
Check continuity between automatic back door control unit harness connector and spindle unit 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-327, "Removal and Installation"
.
NO
>> Repair or replace harness.
6.
CHECK ENCODER CIRCUIT 2
1.
Disconnect automatic back door control unit connector.
2.
Check continuity between automatic back door control unit harness connector and spindle unit harness
connector.
3.
Check continuity between automatic back door control unit harness connector and ground.
Monitor item
Status
SPINDLE SENSOR LH
0 – 1000
SPINDLE SENSOR RH
0 – 1000
(+)
(–)
Voltage
(Approx.)
Spindle unit
Connector
Terminal
LH
B38
3
Ground
12.7 V
RH
B29
12.3 V
Automatic back door control unit
Spindle unit
Continuity
Connector
Terminal
Connector
Terminal
B24
19
LH
B38
3
Existed
20
RH
B29
Automatic back door control unit
Ground
Continuity
Connector
Terminal
B24
19
Not existed
20
Automatic back door control unit
Spindle unit
Continuity
Connector
Terminal
Connector
Terminal
B24
21
LH
B38
6
Existed
RH
B29
DLK-136
< DTC/CIRCUIT DIAGNOSIS >
[TYPE 1]
B2422 BACK DOOR STATE
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
>> Replace automatic back door control unit. Refer to
DLK-327, "Removal and Installation"
.
NO
>> Repair or replace the malfunctioning parts.
Automatic back door control unit
Ground
Continuity
Connector
Terminal
B24
21
Not existed
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