Nissan Murano. Instruction — part 1157
RF-12
< DTC/CIRCUIT DIAGNOSIS >
POWER SUPPLY AND GROUND CIRCUIT
DTC/CIRCUIT DIAGNOSIS
POWER SUPPLY AND GROUND CIRCUIT
BCM
BCM : Diagnosis Procedure
INFOID:0000000009719652
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.
SUNROOF MOTOR ASSEMBLY
SUNROOF MOTOR ASSEMBLY : Diagnosis Procedure
INFOID:0000000009719653
1.
CHECK POWER SUPPLY
1.
Turn ignition switch OFF.
2.
Disconnect sunroof motor assembly connector.
3.
Turn ignition switch ON.
4.
Check voltage between sunroof motor assembly harness connector and ground.
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
POWER SUPPLY AND GROUND CIRCUIT
RF-13
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
L
M
A
B
RF
N
O
P
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK SUNROOF MOTOR CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect BCM connector.
3.
Check continuity between BCM harness connector and sunroof motor assembly harness connector.
4.
Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES
>> Refer to
BCS-98, "Removal and Installation"
NO
>> Repair or replace harness.
3.
CHECK GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Check continuity between sunroof motor assembly harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace harness.
4.
CHECK INTERMITTENT INCIDENT
GI-44, "Intermittent Incident"
.
>> INSPECTION END
SUNSHADE MOTOR ASSEMBLY
SUNSHADE MOTOR ASSEMBLY : Diagnosis Procedure
INFOID:0000000009719654
1.
CHECK POWER SUPPLY
1.
Turn ignition switch OFF.
2.
Disconnect sunshade motor assembly connector.
3.
Turn ignition switch ON.
(+)
(–)
Voltage (V)
(Approx.)
Sunroof motor assembly
Connector
Terminal
R101
3
Ground
Battery voltage
6
BCM
Sunroof motor assembly
Continuity
Connector
Terminal
Connector
Terminal
M118
2
R101
6
Existed
3
3
BCM
Ground
Continuity
Connector
Terminal
M118
2
Not existed
3
Sunroof motor assembly
Ground
Continuity
Connector
Terminal
R101
1
Existed
2
RF-14
< DTC/CIRCUIT DIAGNOSIS >
POWER SUPPLY AND GROUND CIRCUIT
4.
Check voltage between sunshade motor assembly harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK SUNSHADE MOTOR CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect BCM connector.
3.
Check continuity between BCM harness connector and sunshade motor assembly harness connector.
4.
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 GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Check continuity between sunshade motor assembly harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace harness.
4.
CHECK INTERMITTENT INCIDENT
GI-44, "Intermittent Incident"
>> INSPECTION END
(+)
(–)
Voltage (V)
(Approx.)
Sunshade motor assembly
Connector
Terminal
R102
6
Ground
Battery voltage
BCM
Sunshade motor assembly
Continuity
Connector
Terminal
Connector
Terminal
M118
2
R102
6
Existed
BCM
Ground
Continuity
Connector
Terminal
M118
2
Not existed
Sunshade motor assembly
Ground
Continuity
Connector
Terminal
R102
1
Existed
COMMUNICATION SIGNAL CIRCUIT
RF-15
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
L
M
A
B
RF
N
O
P
COMMUNICATION SIGNAL CIRCUIT
Description
INFOID:0000000009719655
Detects door open/close condition.
Diagnosis Procedure
INFOID:0000000009719656
1.
CHECK DOOR SWITCH INPUT SIGNAL
1.
Turn ignition switch OFF.
2.
Disconnect sunshade motor assembly connector.
3.
Turn ignition switch ON.
4.
Check signal between sunshade motor assembly harness connector and ground with oscilloscope.
Is the inspection result normal?
YES
>> INSPECTION END.
NO
>> GO TO 2.
2.
CHECK COMMUNICATION SIGNAL CIRCUIT
1.
Disconnect sunroof motor assembly connector.
2.
Check continuity between sunshade motor assembly harness connector and sunroof motor assembly har-
ness connector.
3.
Check continuity between sunshade motor assembly harness connector and ground.
Is the inspection result normal?
YES
>> Replace sunroof motor assembly. Refer to
RF-103, "Removal and Installation"
.
NO
>> Repair or replace harness.
(+)
(–)
Voltage (V)
(Approx.)
Sunshade motor assembly
Connector
Terminal
R102
7
Ground
JMKIA1869ZZ
Sunshade motor assembly
Sunroof motor assembly
Continuity
Connector
Terminal
Connector
Terminal
R102
7
R101
7
Existed
Sunshade motor assembly
Ground
Continuity
Connector
Terminal
Not existed
R102
7
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