Nissan X-Trail 32. Instruction — part 450
B2426 ENCODER
DLK-141
< DTC/CIRCUIT DIAGNOSIS >
[TYPE 1]
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
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 the malfunctioning parts.
8.
REPLACE SPINDLE UNIT
1.
Replace spindle unit
2.
Erase DTC.
3.
Perform DTC confirmation procedure for DTC 2426. Refer to
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace automatic back door control unit. Refer to
DLK-327, "Removal and Installation"
.
Automatic back door control unit
Ground
Continuity
Connector
Terminal
B24
21
Not existed
DLK-142
< DTC/CIRCUIT DIAGNOSIS >
[TYPE 1]
B2427 ENCODER
B2427 ENCODER
DTC Description
INFOID:0000000010708095
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-142, "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:0000000010708096
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 RH ENCODER A” and “SPINDLE RH ENCODER B” 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
B2427
SPINDLE SENSOR RH
(Spindle sensor right handle)
When the automatic back door control unit can not receive the pulse signal
from the encoder just after starting the open/close operation
B2427 ENCODER
DLK-143
< DTC/CIRCUIT DIAGNOSIS >
[TYPE 1]
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace automatic back door control unit. Refer to
DLK-327, "Removal and Installation"
.
4.
CHECK ENCODER POWER SUPPLY
1.
Turn ignition switch OFF.
2.
Disconnect spindle unit RH connector.
3.
Check voltage between spindle unit RH 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 RH har-
ness 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 RH har-
ness connector.
3.
Check continuity between automatic back door control unit harness connector and ground.
Monitor item
Condition
Status
SPINDLE RH ENCODER A
Back door
Moving (auto or manu-
al)
HI
⇔
LO
When stopped
HI or LO
SPINDLE RH ENCODER B
Moving (auto or manu-
al)
HI
⇔
LO
When stopped
HI or LO
(+)
(–)
Voltage
(Approx.)
Spindle unit RH
Connector
Terminal
B29
3
Ground
12.3 V
Automatic back door control unit
Spindle unit RH
Continuity
Connector
Terminal
Connector
Terminal
B24
20
B29
3
Existed
Automatic back door control unit
Ground
Continuity
Connector
Terminal
B24
20
Not existed
Automatic back door control unit
Spindle unit RH
Continuity
Connector
Terminal
Connector
Terminal
B24
21
B29
6
Existed
DLK-144
< DTC/CIRCUIT DIAGNOSIS >
[TYPE 1]
B2427 ENCODER
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 the malfunctioning parts.
8.
REPLACE SPINDLE UNIT
1.
Replace spindle unit
2.
Erase DTC.
3.
Perform DTC confirmation procedure for DTC 2427. Refer to
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace automatic back door control unit. Refer to
DLK-327, "Removal and Installation"
.
Automatic back door control unit
Ground
Continuity
Connector
Terminal
B24
21
Not existed
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