Nissan Murano. Instruction — part 369
B2423 AUTOMATIC BACK DOOR MOTOR OPERATION TIME
DLK-87
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
Is the inspection result normal?
YES
>> Replace automatic back door unit. Refer to
DLK-352, "POWER BACK DOOR DRIVE ASSEMBLY
.
NO
>> Replace automatic back door control unit. Refer to
DLK-368, "Removal and Installation"
.
(+)
Condition
Voltage (V)
(Approx.)
Automatic back door control unit
(–)
Connector
Terminal
B76
7
Ground
Automatic back
door
Active (open)
Battery voltage
Active (close)
Other than above
0
8
Ground
Automatic back
door
Active (close)
Battery voltage
Active (open)
Other than above
0
JMKIA1865ZZ
JMKIA1865ZZ
DLK-88
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B2424 CLOSURE CONDITION
B2424 CLOSURE CONDITION
Description
INFOID:0000000009718966
The back door lock assembly consists of the open switch, close switch, half latch switch and closure motor.
The automatic back door control unit determines the back door lock condition according to the signal from
each switch and performs the open/close operation of closure motor.
DTC Logic
INFOID:0000000009718967
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON.
2.
Operate automatic back door.
3.
Check “Self Diagnostic Result” with CONSULT.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000009718968
1.
CHECK OPEN/CLOSE SWITCH SIGNAL
Check open/close switch (“OPEN SW”“CLOSE SW”) in Data Monitor mode.
Is the inspection result normal?
YES
>> Open switch is OK.
NO
>> GO TO 2.
2.
CHECK AUTOMATIC BACK DOOR CONTROL UNIT OUTPUT
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 4.
NO
>> GO TO 3.
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B2424
CLOSURE CONDITION
When the following conditions are detected after
OPEN/CLOSE operation of the back door closure
motor
• Open switch and close switch are ON
• Harness or connector
(Open switch or close switch
circuit is shorted)
• Back door lock assembly
Monitor item
Condition
Status
OPEN SW
Back door lock
Fully closed/Half latch
OFF
Open
ON
CLOSE SW
Back door lock
Open/Half latch
OFF
Fully closed
ON
(+)
(–)
Voltage (V)
(Approx.)
Back door lock assembly
Connector
Terminal
D179
5
Ground
Battery voltage
4
B2424 CLOSURE CONDITION
DLK-89
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
3.
CHECK OPEN/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-368, "Removal and Installation"
.
NO
>> Repair or replace harness.
4.
CHECK CLOSE SWITCH GROUND CIRCUIT
Check continuity between back door lock assembly harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace harness.
5.
CHECK CLOSE SWITCH
DLK-89, "Component Inspection"
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Replace back door lock assembly. Refer to
DLK-351, "DOOR LOCK : Removal and Installation"
6.
CHECK INTERMITTENT INCIDENT
GI-44, "Intermittent Incident"
.
>> INSPECTION END
Component Inspection
INFOID:0000000009718969
COMPONENT INSPECTION
1.
CHECK OPEN/CLOSE SWITCH
Check back door lock assembly (open/close switch).
Automatic back door control unit
Back door lock assembly
Continuity
Connector
Terminal
Connector
Terminal
B8
19
D179
5
Existed
20
4
Automatic back door control unit
Ground
Continuity
Connector
Terminal
B8
19
Not existed
20
Back door lock assembly
Ground
Continuity
Connector
Terminal
D179
8
Existed
Terminal
Condition
Continuity
Back door lock assembly (close switch)
DLK-90
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B2424 CLOSURE CONDITION
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace back door lock assembly. Refer to
DLK-351, "DOOR LOCK : Removal and Installation"
5
8
Back door lock
Fully closed
Existed
Open/Half latch
Not existed
4
Open
Existed
Fully closed/Half latch
Not existed
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