Nissan X-Trail 32. Instruction — part 528
B2427 ENCODER
DLK-453
< DTC/CIRCUIT DIAGNOSIS >
[TYPE 2]
C
D
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F
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A
B
DLK
N
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P
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace automatic back door control unit. Refer to
DLK-633, "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-633, "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-454
< DTC/CIRCUIT DIAGNOSIS >
[TYPE 2]
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-633, "Removal and Installation"
.
Automatic back door control unit
Ground
Continuity
Connector
Terminal
B24
21
Not existed
B2428 AUTOMATIC BACK DOOR CONTROL UNIT
DLK-455
< DTC/CIRCUIT DIAGNOSIS >
[TYPE 2]
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DLK
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B2428 AUTOMATIC BACK DOOR CONTROL UNIT
DTC Description
INFOID:0000000010717499
DTC DETECTION LOGIC
POSSIBLE CAUSE
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-455, "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:0000000010717500
1.
REPLACE AUTOMATIC BACK DOOR CONTROL UNIT
When DTC B2428 is detected, replace automatic back door control unit.
>> Replace automatic back door control unit. Refer to
DLK-633, "Removal and Installation"
.
DTC No.
CONSULT screen items (Trou-
ble diagnosis content)
DTC detecting condition
B2428
AUTO BACK DR CNT UNIT
(Auto back door control unit)
Automatic back door control unit detected CPU malfunction
DLK-456
< DTC/CIRCUIT DIAGNOSIS >
[TYPE 2]
B242A CLOSURE CONDITION
B242A CLOSURE CONDITION
DTC Description
INFOID:0000000010717501
DTC DETECTION LOGIC
POSSIBLE CAUSE
• Entry of foreign materials to back door lock assembly
• Back door mechanism
• Close switch
• Half latch switch
• Open switch
• Harness or connectors (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 back door auto closure operation.
3.
Check “Self Diagnostic Result” mode of “AUTO BACK DOOR” using CONSULT.
Is DTC detected?
YES
>> Refer to
DLK-456, "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:0000000010717502
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 MONITOR ITEM
1.
Turn ignition switch ON.
2.
Select “AUTO BACK DOOR” using CONSULT.
3.
Select “HALF LATCH SW”, “OPEN SW” and “CLOSE 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
B242A
CLSR CONDITION
(Closure condition)
Automatic back door control unit detects malfunctions of open switch,
close switch and half latch switch when auto closure of back door operates
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