Nissan Murano Z51 (2008 year). Manual — part 249
LAN-26
< FUNCTION DIAGNOSIS >
[CAN]
CAN COMMUNICATION SYSTEM
T: Transmit
R: Receive
Signal name/Connecting unit
ECM
ADP
PW
BD
4WD
AV
HV
AC
M&A
BCM
STRG
ABS
TCM
IPDM
-E
A/C compressor request signal
T
R
Accelerator pedal position signal
T
R
R
R
ASCD CRUISE indicator signal
T
R
ASCD operation signal
T
R
ASCD SET indicator signal
T
R
Closed throttle position signal
T
R
Cooling fan speed request signal
T
R
Engine and CVT integrated control signal
T
R
R
T
Engine coolant temperature signal
T
R
R
R
Engine speed signal
T
R
R
R
R
Engine status signal
T
R
R
Fuel consumption monitor signal
T
R
R
Malfunctioning indicator lamp signal
T
R
Power generation command value signal
T
R
System setting signal
T
R
R
T
R
R
T
Hazard request signal
T
R
Sleep-ready signal
T
R
T
R
R
T
Wake up signal
T
R
T
R
AWD LOCK indicator lamp 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
Distance to empty 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
Revision: 2008 October
2009 Murano
LAN
CAN COMMUNICATION SYSTEM
LAN-27
< FUNCTION DIAGNOSIS >
[CAN]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
Vehicle speed signal
R
R
R
R
T
R
R
R
R
R
R
T
Automatic back door request signal
R
T
Back door switch signal
R
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 ON signal
R
T
R
R
T
Ignition switch signal
R
T
Interlock/PNP switch signal
T
R
R
T
Key ID signal
R
T
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
Meter display 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
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
T
Steering lock relay signal
T
R
R
T
Stop lamp switch signal
T
R
R
T
Theft warning horn request signal
T
R
Steering angle sensor signal
R
T
R
ABS operation signal
T
R
ABS warning lamp signal
R
T
Brake warning lamp signal
R
T
Decel G signal
R
T
Side G sensor signal
R
T
Signal name/Connecting unit
ECM
ADP
PW
BD
4WD
AV
HV
AC
M&A
BCM
STRG
ABS
TCM
IPDM
-E
Revision: 2008 October
2009 Murano
LAN-28
< FUNCTION DIAGNOSIS >
[CAN]
CAN COMMUNICATION SYSTEM
NOTE:
CAN data of the air bag diagnosis sensor unit is not used by usual service work, thus it is omitted.
SLIP indicator lamp signal
R
T
VDC OFF indicator lamp signal
R
T
Yaw rate sensor signal
R
T
CVT position indicator signal
R
R
R
R
T
CVT self-diagnosis signal
R
T
Input shaft revolution signal
R
T
N range signal
R
T
OD OFF indicator signal
R
T
Output shaft revolution signal
R
T
P range signal
R
R
R
T
Shift position signal
R
R
T
A/C compressor feedback signal
R
R
T
Control device (detention switch) signal
R
T
Front wiper stop position signal
R
T
High beam status signal
R
T
Low beam status signal
R
T
Push-button ignition switch status signal
R
T
Steering lock unit status signal
R
T
Signal name/Connecting unit
ECM
ADP
PW
BD
4WD
AV
HV
AC
M&A
BCM
STRG
ABS
TCM
IPDM
-E
Revision: 2008 October
2009 Murano
LAN
CAN COMMUNICATION SYSTEM
LAN-29
< COMPONENT DIAGNOSIS >
[CAN]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
COMPONENT DIAGNOSIS
CAN COMMUNICATION SYSTEM
Component Parts Location
INFOID:0000000003387584
1.
ABS actuator and electric unit (con-
trol unit) E36
2.
AWD control unit M69
3.
TCM F23
4.
ECM E16
5.
IPDM E/R E11
6.
BCM M122
7.
Data link connector M4
8.
Combination meter M34
9.
Steering angle sensor M30
10. Driver seat control unit B452
11.
Automatic back door control unit B8
12. Air bag diagnosis sensor unit M73
13. A/C auto amp. M50
14. AV control unit
M131: Without NAVI
M145: With NAVI
JPMIA0844ZZ
Revision: 2008 October
2009 Murano
LAN-30
< COMPONENT DIAGNOSIS >
[CAN]
CAN COMMUNICATION SYSTEM
Wiring Diagram - CAN SYSTEM -
INFOID:0000000003387585
JCMWM3166GB
Revision: 2008 October
2009 Murano
LAN
CAN COMMUNICATION SYSTEM
LAN-31
< COMPONENT DIAGNOSIS >
[CAN]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
JCMWM3167GB
Revision: 2008 October
2009 Murano
LAN-32
< COMPONENT DIAGNOSIS >
[CAN]
CAN COMMUNICATION SYSTEM
JCMWM3168GB
Revision: 2008 October
2009 Murano
LAN
CAN COMMUNICATION SYSTEM
LAN-33
< COMPONENT DIAGNOSIS >
[CAN]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
JCMWM3169GB
Revision: 2008 October
2009 Murano
LAN-34
< COMPONENT DIAGNOSIS >
[CAN]
CAN COMMUNICATION SYSTEM
JCMWM3170GB
Revision: 2008 October
2009 Murano
LAN
CAN COMMUNICATION SYSTEM
LAN-35
< COMPONENT DIAGNOSIS >
[CAN]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
JCMWM3171GB
Revision: 2008 October
2009 Murano
LAN-36
< COMPONENT DIAGNOSIS >
[CAN]
MALFUNCTION AREA CHART
MALFUNCTION AREA CHART
Main Line
INFOID:0000000003387586
Branch Line
INFOID:0000000003387587
Short Circuit
INFOID:0000000003387588
Malfunction Area
Reference
Main line between driver seat control unit and automatic back
door control unit
Main line between automatic back door control unit and combi-
nation 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
Automatic back door 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: 2008 October
2009 Murano
LAN
MAIN LINE BETWEEN ADP AND PWBD CIRCUIT
LAN-37
< COMPONENT DIAGNOSIS >
[CAN]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
MAIN LINE BETWEEN ADP AND PWBD CIRCUIT
Diagnosis Procedure
INFOID:0000000003387589
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
-
Automatic back door control unit
4.
Check the continuity between the harness connector and the automatic back door control unit harness
connector.
Is the inspection result normal?
YES (Present error)>>Check CAN system type decision again.
YES (Past error)>>Error was detected in the main line between the driver seat control unit and the automatic
back door control unit.
NO
>> Repair the main line between the harness connector B19 and the automatic back door control
unit.
Harness connector
Automatic back door control unit harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
B19
2
B8
6
Existed
9
7
Existed
Revision: 2008 October
2009 Murano
LAN-38
< COMPONENT DIAGNOSIS >
[CAN]
MAIN LINE BETWEEN PWBD AND M&A CIRCUIT
MAIN LINE BETWEEN PWBD AND M&A CIRCUIT
Diagnosis Procedure
INFOID:0000000003387594
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.
-
Automatic back door control unit
-
Harness connectors B11 and M77
2.
Check the continuity between the automatic back door control unit harness connector and the harness
connector.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair the main line between the automatic back door control unit and the harness connector
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)>>Check CAN system type decision again.
YES (Past error)>>Error was detected in the main line between the automatic back door control unit and the
combination meter.
NO
>> Repair the main line between the harness connector M77 and the combination meter.
Automatic back door control unit harness connector
Harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
B8
6
B11
57
Existed
7
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: 2008 October
2009 Murano
LAN
MAIN LINE BETWEEN M&A AND DLC CIRCUIT
LAN-39
< COMPONENT DIAGNOSIS >
[CAN]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
MAIN LINE BETWEEN M&A AND DLC CIRCUIT
Diagnosis Procedure
INFOID:0000000003415398
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)>>Check CAN system type decision again.
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: 2008 October
2009 Murano
LAN-40
< COMPONENT DIAGNOSIS >
[CAN]
MAIN LINE BETWEEN DLC AND TCM CIRCUIT
MAIN LINE BETWEEN DLC AND TCM CIRCUIT
Diagnosis Procedure
INFOID:0000000003387591
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)>>Check CAN system type decision again.
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: 2008 October
2009 Murano
LAN
ECM BRANCH LINE CIRCUIT
LAN-41
< COMPONENT DIAGNOSIS >
[CAN]
C
D
E
F
G
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B
A
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N
ECM BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000003415460
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).
-
Models with automatic back door system
•
ECM
•
Harness connector E104
•
Harness connector B4
-
Models without automatic back door system
•
ECM
•
Harness connector E105
•
Harness connector M11
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-15, "ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT : Special Repair Requirement"
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: 2008 October
2009 Murano
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