Nissan Murano. Instruction — part 371
POWER SUPPLY AND GROUND CIRCUIT
DLK-95
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
POWER SUPPLY AND GROUND CIRCUIT
BCM (BODY CONTROL MODULE)
BCM (BODY CONTROL MODULE) : Diagnosis Procedure
INFOID:0000000009718976
1.
CHECK FUSE AND FUSIBLE LINK
Check that the following fuse and fusible link are not blown.
Is the fuse fusing?
YES
>> Replace the blown fuse or fusible link after repairing the affected circuit if a fuse or fusible link is
blown.
NO
>> GO TO 2.
2.
CHECK POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect BCM connectors.
3.
Check voltage between BCM harness connector and ground.
Is the measurement value normal?
YES
>> GO TO 3.
NO
>> Repair harness or connector.
3.
CHECK GROUND CIRCUIT
Check continuity between BCM harness connector and ground.
Does continuity exist?
YES
>> INSPECTION END
NO
>> Repair harness or connector.
AUTOMATIC BACK DOOR CONTROL UNIT
AUTOMATIC BACK DOOR CONTROL UNIT : Diagnosis Procedure
INFOID:0000000009718977
1.
CHECK FUSE, FUSIBLE LINK AND CIRCUIT BREAKER
Check that the following fuse, fusible link and circuit breaker are not fusing.
Signal name
Fuse and fusible link No.
Battery power supply
L
10
Terminals
Voltage
(Approx.)
(+)
(
−
)
BCM
Ground
Connector
Terminal
M118
1
Battery voltage
M119
11
BCM
Ground
Continuity
Connector
Terminal
M119
13
Existed
DLK-96
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
POWER SUPPLY AND GROUND CIRCUIT
Is the fuse fusing?
YES
>> Replace the blown fuse or fusible link after repairing the affected circuit if a fuse or fusible link is
blown.
NO
>> GO TO 2.
2.
CHECK POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect automatic back door control unit connector.
3.
Check voltage between automatic back door control unit harness connector and ground.
Is the measurement value normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness.
3.
CHECK GROUND CIRCUIT
Check continuity between automatic back door control unit harness connector and ground.
Does continuity exist?
YES
>> INSPECTION END
NO
>> Repair or replace harness.
Fuse and fusible link No.
Signal name
J
Battery power supply
Circuit breaker
6
3
Ignition power supply
(+)
(
−
)
Condition
Voltage
(Approx.)
Automatic back door control unit
Connector
Terminal
B8
9
Ground
Ignition switch: ON
Battery voltage
10
—
B7
28
Automatic back door control unit
Ground
Continuity
Connector
Terminal
B7
34
Existed
DOOR SWITCH
DLK-97
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
DOOR SWITCH
WITH AUTOMATIC BACK DOOR
WITH AUTOMATIC BACK DOOR : Description
INFOID:0000000009718978
Detects door open/close condition.
WITH AUTOMATIC BACK DOOR : Component Function Check
INFOID:0000000009718979
1.
CHECK FUNCTION
With CONSULT
Check door switches (“DOOR SW-DR”, “DOOR SW-AS”, “DOOR SW-RL”, “DOOR SW-RR” and “DOOR SW-
BK”) in Data Monitor” mode with CONSULT.
Is the inspection result normal?
YES
>> Door switch is OK.
NO
>> Refer to
DLK-97, "WITH AUTOMATIC BACK DOOR : Diagnosis Procedure"
.
WITH AUTOMATIC BACK DOOR : Diagnosis Procedure
INFOID:0000000009718980
1.
CHECK DOOR SWITCH INPUT SIGNAL
1.
Turn ignition switch OFF.
2.
Disconnect malfunctioning door switch connector.
3.
Check signal between malfunctioning door switch harness connector and ground with oscilloscope.
Is the inspection result normal?
YES-1 >> Back door: GO TO 3.
YES-2 >> Other doors: GO TO 4.
NO
>> GO TO 2.
2.
CHECK DOOR SWITCH CIRCUIT
1.
Disconnect BCM connector.
2.
Check continuity between BCM harness connector and door switch harness connector.
Monitor item
Condition
DOOR SW-DR
CLOSE
→
OPEN: OFF
→
ON
DOOR SW-AS
DOOR SW-RL
DOOR SW-RR
DOOR SW-BK
(+)
(–)
Voltage (V)
(Approx.)
Door switch
Connector
Terminal
Driver side
B32
3
Ground
Passenger side
B233
Rear LH
B31
Rear RH
B232
Back door
D179
7
JPMIA0011GB
DLK-98
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
DOOR SWITCH
3.
Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-98, "Removal and Installation"
NO
>> Repair or replace harness.
3.
CHECK BACK DOOR SWITCH GROUND CIRCUIT
Check continuity between back door lock assembly (back door switch) harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace harness.
4.
CHECK DOOR SWITCH
DLK-98, "WITH AUTOMATIC BACK DOOR : Component Inspection"
Is the inspection result normal?
YES
>> GO TO 5.
NO
>>
Replace malfunctioning door switch.
• Door switch: Refer to
DLK-358, "Removal and Installation"
• Back door lock assembly (back door switch): Refer to
DLK-351, "DOOR LOCK : Removal and
.
5.
CHECK INTERMITTENT INCIDENT
GI-44, "Intermittent Incident"
>> INSPECTION END
WITH AUTOMATIC BACK DOOR : Component Inspection
INFOID:0000000009718981
1.
CHECK DOOR SWITCH
1.
Turn ignition switch OFF.
2.
Disconnect door switch connector.
3.
Check door switch terminals.
BCM
Door switch
Continuity
Connector
Terminal
Connector
Terminal
M123
150
B32
2
Existed
124
B233
M121
69
B31
68
B232
66
D179
7
BCM
Ground
Continuity
Connector
Terminal
M123
B32
Not existed
B233
M121
B31
B232
D179
Back door lock assembly (back door switch)
Ground
Continuity
Connector
Terminal
D179
8
Existed
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