Murano Cross Cabriolet Z51 (2012 year). Manual — part 53
LAN
SYSTEM
LAN-29
< SYSTEM DESCRIPTION >
[CAN]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
Roof operation signal
T
R
Roof status signal
T
R
Tonneau board status signal
T
R
AWD LOCK indicator lamp signal
T
R
AWD malfunction signal
T
R
AWD signal
T
R
AWD warning lamp signal
T
R
A/C switch/indicator signal
T
R
R
T
A/C switch operation signal
T
R
Rear window defogger switch signal
T
R
Voice recognition signal
T
R
A/C switch signal
R
T
T
Blower fan motor switch signal
R
T
T
Brake fluid level switch signal
T
R
Distance to empty signal
R
T
Fuel filler cap warning reset signal
R
T
Fuel level low warning signal
R
T
Fuel level sensor signal
R
T
Odometer signal
T
R
Overdrive control switch signal
T
R
Parking brake switch signal
R
T
Seat belt buckle switch signal
T
R
Sleep-ready signal
T
R
R
T
Vehicle speed signal
R
R
R
R
T
R
R
R
R
R
R
R
R
T
Wake up signal
T
R
Pop-up roll bar malfunction signal
R
T
Pop-up roll bar operation signal
R
T
Buzzer output signal
R
T
Door switch signal
R
R
R
T
R
Door unlock signal
R
T
Front fog light request signal
T
R
Front wiper request signal
T
R
High beam request signal
R
T
R
Horn reminder signal
T
R
Ignition switch ACC signal
R
R
T
Ignition switch ON signal
R
R
T
R
R
T
Interlock/PNP switch signal
T
R
R
T
Key ID signal
R
T
Signal name
ECM
ADP
C/RO
OF
4WD
AV
HV
AC
M&A
A-B
AG
BCM
STRG
ABS
TCM
IPDM
-E
Revision: 2013 February
2012 Murano CrossCabriolet
LAN-30
< SYSTEM DESCRIPTION >
[CAN]
SYSTEM
Key switch signal
R
T
Key warning lamp signal
R
T
Low beam request signal
T
R
Low tire pressure warning lamp signal
R
T
Oil pressure switch signal
R
T
R
T
Position light request signal
R
T
R
Rear window defogger control signal
T
R
R
R
T
Sleep wake up signal
R
R
R
T
R
Starter control relay signal
T
R
Starter relay status signal
T
R
R
T
Starting mode signal
R
R
T
Stop lamp switch signal
T
R
R
T
Theft warning horn request signal
T
R
TPMS malfunction warning lamp signal
R
T
Trunk switch signal
R
T
Turn indicator signal
R
T
Steering angle sensor signal
R
R
T
R
ABS operation signal
T
R
ABS warning lamp signal
R
T
Brake warning lamp signal
R
T
Decel G sensor signal
R
T
Side G sensor signal
R
T
VDC OFF indicator lamp signal
R
T
VDC warning lamp signal
R
T
Yaw rate sensor signal
R
T
Current gear position signal
R
T
CVT position indicator signal
R
R
R
T
CVT self-diagnosis signal
R
T
Input shaft revolution signal
R
T
N range signal
R
R
T
OD OFF indicator signal
R
T
Output shaft revolution signal
R
T
P range signal
R
R
R
T
R range signal
R
T
Shift position signal
R
R
T
A/C compressor feedback signal
R
R
T
Detention switch signal
R
T
Front wiper stop position signal
R
T
High beam status signal
R
T
Signal name
ECM
ADP
C/RO
OF
4WD
AV
HV
AC
M&A
A-B
AG
BCM
STRG
ABS
TCM
IPDM
-E
Revision: 2013 February
2012 Murano CrossCabriolet
LAN
SYSTEM
LAN-31
< SYSTEM DESCRIPTION >
[CAN]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
Low beam status signal
R
T
Push-button ignition switch status signal
R
T
Signal name
ECM
ADP
C/RO
OF
4WD
AV
HV
AC
M&A
A-B
AG
BCM
STRG
ABS
TCM
IPDM
-E
Revision: 2013 February
2012 Murano CrossCabriolet
LAN-32
< WIRING DIAGRAM >
[CAN]
CAN SYSTEM
WIRING DIAGRAM
CAN SYSTEM
Wiring Diagram
INFOID:0000000007566342
For connector terminal arrangements, harness layouts, and alphabets in a
(option abbreviation; if not
described in wiring diagram), refer to
GI-12, "Connector Information"
JCMWA8053GB
Revision: 2013 February
2012 Murano CrossCabriolet
LAN
CAN SYSTEM
LAN-33
< WIRING DIAGRAM >
[CAN]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
JCMWA8054GB
Revision: 2013 February
2012 Murano CrossCabriolet
LAN-34
< BASIC INSPECTION >
[CAN]
DIAGNOSIS AND REPAIR WORKFLOW
BASIC INSPECTION
DIAGNOSIS AND REPAIR WORKFLOW
Interview Sheet
INFOID:0000000007566343
NOTE:
Refer to
LAN-15, "Trouble Diagnosis Procedure"
for how to use interview sheet.
SKIB8898E
Revision: 2013 February
2012 Murano CrossCabriolet
LAN
MALFUNCTION AREA CHART
LAN-35
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
DTC/CIRCUIT DIAGNOSIS
MALFUNCTION AREA CHART
Main Line
INFOID:0000000007566344
Branch Line
INFOID:0000000007566345
Short Circuit
INFOID:0000000007566346
Malfunction area
Reference
Main line between driver seat control unit and soft top control unit
Main line between soft top control unit and combination meter
Main line between combination meter and data link connector
Main line between data link connector and TCM
Malfunction area
Reference
ECM branch line circuit
Driver seat control unit branch line circuit
Soft top control unit branch line circuit
AWD control unit branch line circuit
AV control unit branch line circuit
A/C auto amp. branch line circuit
Combination meter branch line circuit
Air bag diagnosis sensor unit branch line circuit
BCM branch line circuit
Data link connector branch line circuit
Steering angle sensor branch line circuit
ABS actuator and electric unit (control unit) branch line circuit
TCM branch line circuit
IPDM E/R branch line circuit
Malfunction area
Reference
CAN communication circuit
Revision: 2013 February
2012 Murano CrossCabriolet
LAN-36
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
MAIN LINE BETWEEN ADP AND C/ROOF CIRCUIT
MAIN LINE BETWEEN ADP AND C/ROOF CIRCUIT
Diagnosis Procedure
INFOID:0000000007566347
1.
CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
1.
Turn the ignition switch OFF.
2.
Disconnect the battery cable from the negative terminal.
3.
Disconnect the following harness connectors.
-
ECM
-
Harness connectors B460 and B19
-
Harness connectors B77 and B318
4.
Check the continuity between the harness connectors.
Is the inspection result normal?
YES (Present error)>>Connect all the connectors and diagnose again. Refer to
YES (Past error)>>Error was detected in the main line between the driver seat control unit and the soft top
control unit.
NO
>> Repair the main line between the harness connectors B19 and B77.
Harness connector
Harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
B19
2
B77
31
Existed
9
32
Existed
Revision: 2013 February
2012 Murano CrossCabriolet
LAN
MAIN LINE BETWEEN C/ROOF AND M&A CIRCUIT
LAN-37
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
MAIN LINE BETWEEN C/ROOF AND M&A CIRCUIT
Diagnosis Procedure
INFOID:0000000007566348
1.
CHECK CONNECTOR
1.
Turn the ignition switch OFF.
2.
Disconnect the battery cable from the negative terminal.
3.
Check the following terminals and connectors for damage, bend and loose connection (connector side
and harness side).
-
Harness connector B11
-
Harness connector M77
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair the terminal and connector.
2.
CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
1.
Disconnect the following harness connectors.
-
Harness connectors B318 and B77
-
Harness connectors B11 and M77
2.
Check the continuity between the harness connectors.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair the main line between the harness connectors B77 and B11.
3.
CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
1.
Disconnect the connector of combination meter.
2.
Check the continuity between the harness connector and the combination meter harness connector.
Is the inspection result normal?
YES (Present error)>>Connect all the connectors and diagnose again. Refer to
YES (Past error)>>Error was detected in the main line between the soft top control unit and the combination
meter.
NO
>> Repair the main line between the harness connector M77 and the combination meter.
Harness connector
Harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
B77
31
B11
57
Existed
32
56
Existed
Harness connector
Combination meter harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
M77
57
M34
21
Existed
56
22
Existed
Revision: 2013 February
2012 Murano CrossCabriolet
LAN-38
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
MAIN LINE BETWEEN M&A AND DLC CIRCUIT
MAIN LINE BETWEEN M&A AND DLC CIRCUIT
Diagnosis Procedure
INFOID:0000000007566349
1.
CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
1.
Turn the ignition switch OFF.
2.
Disconnect the battery cable from the negative terminal.
3.
Disconnect the following harness connectors.
-
ECM
-
Combination meter
4.
Check the continuity between the combination meter harness connector and the data link connector.
Is the inspection result normal?
YES (Present error)>>Connect all the connectors and diagnose again. Refer to
YES (Past error)>>Error was detected in the main line between the combination meter and the data link con-
nector.
NO
>> Repair the main line between the combination meter and the data link connector.
Combination meter harness connector
Data link connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
M34
21
M4
6
Existed
22
14
Existed
Revision: 2013 February
2012 Murano CrossCabriolet
LAN
MAIN LINE BETWEEN DLC AND TCM CIRCUIT
LAN-39
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
MAIN LINE BETWEEN DLC AND TCM CIRCUIT
Diagnosis Procedure
INFOID:0000000007566350
1.
CHECK CONNECTOR
1.
Turn the ignition switch OFF.
2.
Disconnect the battery cable from the negative terminal.
3.
Check the following terminals and connectors for damage, bend and loose connection (connector side
and harness side).
-
Harness connector M11
-
Harness connector E105
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair the terminal and connector.
2.
CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
1.
Disconnect the harness connectors M11 and E105.
2.
Check the continuity between the data link connector and the harness connector.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair the main line between the data link connector and the harness connector M11.
3.
CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
1.
Disconnect the harness connectors E6 and F123.
2.
Check the continuity between the harness connectors.
Is the inspection result normal?
YES (Present error)>>Connect all the connectors and diagnose again. Refer to
YES (Past error)>>Error was detected in the main line between the data link connector and the TCM.
NO
>> Repair the main line between the harness connectors E105 and E6.
Data link connector
Harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
M4
6
M11
12
Existed
14
11
Existed
Harness connector
Harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
E105
12
E6
1
Existed
11
8
Existed
Revision: 2013 February
2012 Murano CrossCabriolet
LAN-40
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
ECM BRANCH LINE CIRCUIT
ECM BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000007566351
1.
CHECK CONNECTOR
1.
Turn the ignition switch OFF.
2.
Disconnect the battery cable from the negative terminal.
3.
Check the following terminals and connectors for damage, bend and loose connection (unit side and con-
nector side).
-
ECM
-
Harness connector E104
-
Harness connector B4
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair the terminal and connector.
2.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Disconnect the connector of ECM.
2.
Check the resistance between the ECM harness connector terminals.
Is the measurement value within the specification?
YES
>> GO TO 3.
NO
>> Repair the ECM branch line.
3.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the ECM. Refer to
Is the inspection result normal?
YES (Present error)>>Replace the ECM. Refer to
EC-445, "Removal and Installation"
YES (Past error)>>Error was detected in the ECM branch line.
NO
>> Repair the power supply and the ground circuit.
ECM harness connector
Resistance (
Ω
)
Connector No.
Terminal No.
E16
98
97
Approx. 108 – 132
Revision: 2013 February
2012 Murano CrossCabriolet
LAN
ADP BRANCH LINE CIRCUIT
LAN-41
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
ADP BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000007566352
1.
CHECK CONNECTOR
1.
Turn the ignition switch OFF.
2.
Disconnect the battery cable from the negative terminal.
3.
Check the following terminals and connectors for damage, bend and loose connection (unit side and con-
nector side).
-
Driver seat control unit
-
Harness connector B460
-
Harness connector B19
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair the terminal and connector.
2.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Disconnect the connector of driver seat control unit.
2.
Check the resistance between the driver seat control unit harness connector terminals.
Is the measurement value within the specification?
YES
>> GO TO 3.
NO
>> Repair the driver seat control unit branch line.
3.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the driver seat control unit. Refer to
CONTROL UNIT : Diagnosis Procedure"
Is the inspection result normal?
YES (Present error)>>Replace the driver seat control unit. Refer to
ADP-121, "Removal and Installation"
YES (Past error)>>Error was detected in the driver seat control unit branch line.
NO
>> Repair the power supply and the ground circuit.
Driver seat control unit harness connector
Resistance (
Ω
)
Connector No.
Terminal No.
B452
23
24
Approx. 54 – 66
Revision: 2013 February
2012 Murano CrossCabriolet
LAN-42
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
C/ROOF BRANCH LINE CIRCUIT
C/ROOF BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000007566353
1.
CHECK CONNECTOR
1.
Turn the ignition switch OFF.
2.
Disconnect the battery cable from the negative terminal.
3.
Check the following terminals and connectors for damage, bend and loose connection (unit side and con-
nector side).
-
Soft top control unit
-
Harness connector B318
-
Harness connector B77
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair the terminal and connector.
2.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Disconnect the connector of soft top control unit.
2.
Check the resistance between the soft top control unit harness connector terminals.
Is the measurement value within the specification?
YES
>> GO TO 3.
NO
>> Repair the soft top control unit branch line.
3.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the soft top control unit. Refer to
.
Is the inspection result normal?
YES (Present error)>>Replace the soft top control unit. Refer to
RF-235, "Removal and Installation"
.
YES (Past error)>>Error was detected in the soft top control unit branch line.
NO
>> Repair the power supply and the ground circuit.
Soft top control unit harness connector
Resistance (
Ω
)
Connector No.
Terminal No.
B323
17
18
Approx. 54 – 66
Revision: 2013 February
2012 Murano CrossCabriolet
LAN
4WD BRANCH LINE CIRCUIT
LAN-43
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
4WD BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000007566354
1.
CHECK CONNECTOR
1.
Turn the ignition switch OFF.
2.
Disconnect the battery cable from the negative terminal.
3.
Check the terminals and connectors of the AWD control unit for damage, bend and loose connection (unit
side and connector side).
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair the terminal and connector.
2.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Disconnect the connector of AWD control unit.
2.
Check the resistance between the AWD control unit harness connector terminals.
Is the measurement value within the specification?
YES
>> GO TO 3.
NO
>> Repair the AWD control unit branch line.
3.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the AWD control unit. Refer to
.
Is the inspection result normal?
YES (Present error)>>Replace the AWD control unit. Refer to
DLN-48, "Removal and Installation"
YES (Past error)>>Error was detected in the AWD control unit branch line.
NO
>> Repair the power supply and the ground circuit.
AWD control unit harness connector
Resistance (
Ω
)
Connector No.
Terminal No.
M69
8
16
Approx. 54 – 66
Revision: 2013 February
2012 Murano CrossCabriolet
LAN-44
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
AV BRANCH LINE CIRCUIT
AV BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000007566355
1.
CHECK CONNECTOR
1.
Turn the ignition switch OFF.
2.
Disconnect the battery cable from the negative terminal.
3.
Check the terminals and connectors of the AV control unit for damage, bend and loose connection (unit
side and connector side).
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair the terminal and connector.
2.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Disconnect the connector of AV control unit.
2.
Check the resistance between the AV control unit harness connector terminals.
-
Models with navigation system
-
Models without navigation system
Is the measurement value within the specification?
YES
>> GO TO 3.
NO
>> Repair the AV control unit branch line.
3.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the AV control unit. Refer to the following.
• BOSE audio without navigation:
AV-70, "AV CONTROL UNIT : Diagnosis Procedure"
• BOSE audio with navigation:
AV-208, "AV CONTROL UNIT : Diagnosis Procedure"
Is the inspection result normal?
YES (Present error)>>Replace the AV control unit. Refer to the following.
• BOSE audio without navigation:
AV-102, "Removal and Installation"
AV-236, "Removal and Installation"
YES (Past error)>>Error was detected in the AV control unit branch line.
NO
>> Repair the power supply and the ground circuit.
AV control unit harness connector
Resistance (
Ω
)
Connector No.
Terminal No.
M180
90
74
Approx. 54 – 66
AV control unit harness connector
Resistance (
Ω
)
Connector No.
Terminal No.
M174
81
80
Approx. 54 – 66
Revision: 2013 February
2012 Murano CrossCabriolet
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