Nissan Murano. Manual — part 387
AUTOMATIC BACK DOOR MOTOR
DLK-159
< 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"
.
Terminals
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-160
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
BACK DOOR CLOSURE MOTOR
BACK DOOR CLOSURE MOTOR
Description
INFOID:0000000009719104
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.
Diagnosis Procedure
INFOID:0000000009719105
1.
CHECK BACK DOOR CLOSURE MOTOR CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect automatic back door control unit connector and back door lock assembly connector.
3.
Check continuity between automatic back door control unit harness connector and back door lock assem-
bly harness connector.
4.
Check continuity between automatic back door control unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace harness.
2.
CHECK BACK DOOR CLOSURE MOTOR CIRCUIT
1.
Connect automatic back door control unit connector and back door lock assembly connector.
2.
Check voltage between automatic back door unit harness connector and ground.
Is the inspection result normal?
YES
>> Replace back door lock assembly. Refer to
DLK-351, "DOOR LOCK : Removal and Installation"
NO
>> Replace automatic back door control unit. Refer to
DLK-368, "Removal and Installation"
.
Automatic back door control unit
Back door lock assembly
Continuity
Connector
Terminal
Connector
Terminal
B8
11
D179
1
Not existed
2
Existed
12
1
Existed
2
Not existed
Automatic back door control unit
Ground
Continuity
Connector
Terminal
B8
11
Not existed
12
(+)
(–)
Condition
Voltage (V)
(Approx.)
Automatic back door control unit
Connector
Terminal
B8
11
Ground
Back door closure
Close operation
Battery voltage
Other than above
0
12
Open operation
Battery voltage
Other than above
0
AUTOMATIC BACK DOOR WARNING BUZZER
DLK-161
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
AUTOMATIC BACK DOOR WARNING BUZZER
Description
INFOID:0000000009719106
Performs operation method guide and warning with buzzer.
Diagnosis Procedure
INFOID:0000000009719107
1.
CHECK AUTOMATIC BACK DOOR WARNING BUZZER POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect automatic back door warning buzzer connector.
3.
Check voltage between automatic back door warning buzzer harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace harness.
2.
CHECK AUTOMATIC BACK DOOR WARNING BUZZER OUTPUT SIGNAL CIRCUIT
1.
Disconnect automatic back door control unit connector.
2.
Check continuity between automatic back door control unit harness connector and automatic back door
warning buzzer 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 warning buzzer. Refer to
DLK-369, "Removal and Installation"
NO
>> Repair or replace harness.
(+)
(–)
Voltage (V)
(Approx.)
Automatic back door warning buzzer
Connector
Terminal
B27
1
Ground
Battery voltage
Automatic back door control unit
Automatic back door warning buzzer
Continuity
Connector
Terminal
Connector
Terminal
B8
1
B27
2
Existed
Automatic back door control unit
Ground
Continuity
Connector
Terminal
B8
1
Not existed
DLK-162
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
GROUND CIRCUIT
GROUND CIRCUIT
AUTOMATIC BACK DOOR CONTROL UNIT
AUTOMATIC BACK DOOR CONTROL UNIT : Component Function Check
INFOID:0000000009719108
1.
CHECK FUNCTION
Check automatic back door switch (“DESTINATION”, “HAZARD”) in Data Monitor mode.
Is the inspection result normal?
YES
>> Automatic back door ground circuit is OK.
NO
>> Refer to
DLK-162, "AUTOMATIC BACK DOOR CONTROL UNIT : Diagnosis Procedure"
AUTOMATIC BACK DOOR CONTROL UNIT : Diagnosis Procedure
INFOID:0000000009719109
1.
CHECK GROUND CIRCUIT
Check continuity between automatic back door control unit harness connector and ground.
Does continuity exist?
YES
>> Replace automatic back door control unit. Refer to
DLK-368, "Removal and Installation"
.
NO
>> Repair or replace harness.
Monitor item
Condition
Status
DESTINATION
—
NAM
HAZARD
—
ON
Automatic back door control unit
Ground
Continuity
Connector
Terminal
B8
21
Existed
22
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