Murano Cross Cabriolet Z51 (2013 year). Manual — part 12
BCS
BCM
BCS-47
< ECU DIAGNOSIS INFORMATION >
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
107
(O)
Ground
Combination switch
INPUT 1
Input
Combination
switch
(Wiper intermit-
tent dial 4)
All switches OFF
1.4 V
Turn signal switch LH
1.3 V
Turn signal switch RH
1.3 V
Front wiper switch LO
1.3 V
Front washer switch ON
1.3 V
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
Signal name
Input/
Output
+
–
JPMIA0041GB
JPMIA0037GB
JPMIA0036GB
JPMIA0038GB
JPMIA0039GB
Revision: 2012 October
2013 Murano CrossCabriolet
BCS-48
< ECU DIAGNOSIS INFORMATION >
BCM
108
(P)
Ground
Combination switch
INPUT 4
Input
Combination
switch
All switches OFF
(Wiper intermittent dial 4)
1.4 V
Lighting switch AUTO
(Wiper intermittent dial 4)
1.3 V
Lighting switch 1ST
(Wiper intermittent dial 4)
1.3 V
Any of the conditions below
with all switches OFF
• Wiper intermittent dial 1
• Wiper intermittent dial 5
• Wiper intermittent dial 6
1.3 V
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
Signal name
Input/
Output
+
–
JPMIA0041GB
JPMIA0038GB
JPMIA0036GB
JPMIA0039GB
Revision: 2012 October
2013 Murano CrossCabriolet
BCS
BCM
BCS-49
< ECU DIAGNOSIS INFORMATION >
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
109
(SB)
Ground
Combination switch
INPUT 2
Input
Combination
switch
(Wiper intermit-
tent dial 4)
All switches OFF
1.4 V
Lighting switch PASS
1.3 V
Lighting switch 2ND
1.3 V
Front wiper switch INT/
AUTO
1.3 V
Front wiper switch HI
1.3 V
110
(G)
Ground
Hazard switch
Input
Hazard switch
ON
0 V
OFF
1.1 V
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
Signal name
Input/
Output
+
–
JPMIA0041GB
JPMIA0037GB
JPMIA0036GB
JPMIA0038GB
JPMIA0040GB
JPMIA0012GB
Revision: 2012 October
2013 Murano CrossCabriolet
BCS-50
< ECU DIAGNOSIS INFORMATION >
BCM
113
(O)
Ground
Optical sensor
Input
Ignition switch
ON
When bright outside of the
vehicle
Close to 5 V
When dark outside of the
vehicle
Close to 0 V
116
(GR)
Ground
Stop lamp switch 1
Input
—
Battery voltage
118
(L)
Ground
Stop lamp switch 2
Input
Stop lamp switch
OFF (Brake pedal is not
depressed)
0 V
ON (Brake pedal is de-
pressed)
Battery voltage
119
(W)
Ground
Front door lock as-
sembly driver side
(Unlock sensor)
Input
Driver door
LOCK status (unlock sen-
sor switch OFF)
1.1 V
UNLOCK status (unlock
sensor switch ON)
0 V
121
(Y)
Ground
Key slot switch
Input
When Intelligent Key is inserted into key slot
Battery voltage
When Intelligent Key is not inserted into key slot
0 V
123
(G)
Ground
IGN feedback
Input
Ignition switch
OFF or ACC
0 V
ON
Battery voltage
124
(R)
Ground
Passenger door
switch
Input
Passenger door
switch
OFF (When passenger
door closes)
11.8 V
ON (When passenger door
opens)
0 V
129
(O)
Ground
Trunk lid opener can-
cel switch
Input
Trunk lid opener
cancel switch
CANCEL
1.1 V
ON
0 V
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
Signal name
Input/
Output
+
–
JPMIA0012GB
JPMIA0011GB
JPMIA0012GB
Revision: 2012 October
2013 Murano CrossCabriolet
BCS
BCM
BCS-51
< ECU DIAGNOSIS INFORMATION >
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
132
(V)
Ground
Soft top control unit
communication
Input/
Output
Ignition switch ON
10.2 V
Ignition switch OFF or ACC
Battery voltage
133
(W)
Ground
Push-button ignition
switch illumination
Output
Push-button igni-
tion switch illumi-
nation
ON (When tail lamps OFF)
9.5 V
ON (When tail lamps ON)
NOTE:
The pulse width of this wave is
varied by the illumination bright-
ening/dimming level.
OFF
0 V
134
(R)
Ground
LOCK indicator lamp
Output
LOCK indicator
lamp
OFF (ACC and ON indica-
tor lamps are not illuminat-
ed.)
Battery voltage
ON
0 V
137
(P)
Ground
Receiver and sensor
ground
Input
Ignition switch ON
0 V
138
(V)
Ground
Receiver and sensor
power supply
Output
Ignition switch
OFF
0 V
ACC or ON
5.0 V
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
Signal name
Input/
Output
+
–
JPMIA0013GB
JPMIA0159GB
Revision: 2012 October
2013 Murano CrossCabriolet
BCS-52
< ECU DIAGNOSIS INFORMATION >
BCM
139
(O)
Ground
Remote keyless entry
receiver (rear) and
tire pressure receiver
communication
Input/
Output
Ignition switch
OFF
(Remote keyless
entry receiver
communication)
During waiting
When operating either but-
ton on the Intelligent Key
Ignition switch
ON
(Tire pressure re-
ceiver communi-
cation)
Standby state
When receiving the signal
from the transmitter
140
(GR)
Ground
Selector lever P/N
position
Input
Selector lever
P or N position
Battery voltage
Except P and N positions
0 V
141
(O)
Ground
Security indicator
lamp control
Output
Security indicator
lamp
ON
0 V
Blinking
11.3 V
OFF
Battery voltage
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
Signal name
Input/
Output
+
–
JMKIA0064GB
JMKIA0065GB
OCC3881D
OCC3880D
JPMIA0014GB
Revision: 2012 October
2013 Murano CrossCabriolet
BCS
BCM
BCS-53
< ECU DIAGNOSIS INFORMATION >
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
142
(L)
Ground
Combination switch
OUTPUT 5
Output
Combination
switch
(Wiper intermit-
tent dial 4)
All switches OFF
0 V
Lighting switch 1ST
10.7 V
Lighting switch HI
Lighting switch 2ND
Turn signal switch RH
143
(W)
Ground
Combination switch
OUTPUT 1
Output
Combination
switch
All switches OFF
(Wiper intermittent dial 4)
0 V
Front wiper switch HI
(Wiper intermittent dial 4)
10.7 V
Any of the conditions below
with all switches OFF
• Wiper intermittent dial 1
• Wiper intermittent dial 2
• Wiper intermittent dial 3
• Wiper intermittent dial 6
• Wiper intermittent dial 7
144
(P)
Ground
Combination switch
OUTPUT 2
Output
Combination
switch
All switches OFF
(Wiper intermittent dial 4)
0 V
Front washer switch ON
(Wiper intermittent dial 4)
10.7 V
Any of the conditions below
with all switches OFF
• Wiper intermittent dial 1
• Wiper intermittent dial 5
• Wiper intermittent dial 6
145
(V)
Ground
Combination switch
OUTPUT 3
Output
Combination
switch
(Wiper intermit-
tent dial 4)
All switches OFF
0 V
Front wiper switch INT/
AUTO
10.7 V
Front wiper switch LO
Lighting switch AUTO
146
(Y)
Ground
Combination switch
OUTPUT 4
Output
Combination
switch
(Wiper intermit-
tent dial 4)
All switches OFF
0 V
Front fog lamp switch ON
10.7 V
Lighting switch 2ND
Lighting switch PASS
Turn signal switch LH
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
Signal name
Input/
Output
+
–
JPMIA0031GB
JPMIA0032GB
JPMIA0033GB
JPMIA0034GB
JPMIA0035GB
Revision: 2012 October
2013 Murano CrossCabriolet
BCS-54
< ECU DIAGNOSIS INFORMATION >
BCM
Fail-safe
INFOID:0000000008460430
FAIL-SAFE CONTROL BY DTC
BCM performs fail-safe control when any DTC are detected.
DTC Inspection Priority Chart
INFOID:0000000008460431
If some DTCs are displayed at the same time, perform inspections one by one based on the following priority
chart.
150
(SB)
Ground
Driver door switch
Input
Driver door
switch
OFF (When driver door
closes)
11.8 V
ON (When driver door
opens)
0 V
151
(G)
Ground
Rear window defog-
ger relay control
Output
Rear window de-
fogger
Active
0 V
Not activated
Battery voltage
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
Signal name
Input/
Output
+
–
JPMIA0011GB
Display contents of CONSULT
Fail-safe
Cancellation
B2190: NATS ANTENNA AMP
Inhibit engine cranking
Erase DTC
B2191: DIFFERENCE OF KEY
Inhibit engine cranking
Erase DTC
B2192: ID DISCORD BCM-ECM
Inhibit engine cranking
Erase DTC
B2193: CHAIN OF BCM-ECM
Inhibit engine cranking
Erase DTC
B2195: ANTI SCANNING
Inhibit engine cranking
Ignition switch ON
→
OFF
B2560: STARTER CONT RELAY
Inhibit engine cranking
500 ms after the following CAN signal communication status be-
comes consistent
• Starter control relay signal
• Starter relay status signal
B2608: STARTER RELAY
Inhibit engine cranking
500 ms after the following signal communication status becomes
consistent
• Starter motor relay control signal
• Starter relay status signal (CAN)
B260A: IGNITION RELAY
Inhibit engine cranking
500 ms after the following conditions are fulfilled
• IGN relay (IPDM E/R) control signal: OFF (Battery voltage)
• Ignition ON signal (CAN to IPDM E/R): OFF (Request signal)
• Ignition ON signal (CAN from IPDM E/R): OFF (Condition signal)
B260F: ENG STATE SIG LOST
Maintains the power supply
position attained at the time
of DTC detection
When any of the following conditions are fulfilled
• Power position changes to ACC
• Receives engine status signal (CAN)
B2617: STARTER RELAY CIRC
Inhibit engine cranking
1 second after the starter motor relay control inside BCM becomes
normal
B2618: BCM
Inhibit engine cranking
1 second after the ignition relay (IPDM E/R) control inside BCM be-
comes normal
B261E: VEHICLE TYPE
Inhibit engine cranking
BCM initialization
Revision: 2012 October
2013 Murano CrossCabriolet
BCS
BCM
BCS-55
< ECU DIAGNOSIS INFORMATION >
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
DTC Index
INFOID:0000000008460432
NOTE:
The details of time display are as follows.
• CRNT: A malfunction is detected now.
• PAST: A malfunction was detected in the past.
IGN counter is displayed on Freeze Frame Data. For details of Freeze Frame Data, refer to
MON ITEM : CONSULT Function (BCM - COMMON ITEM)"
Priority
DTC
1
B2562: LOW VOLTAGE
2
• U1000: CAN COMM
• U1010: CONTROL UNIT(CAN)
3
• B2190: NATS ANTENNA AMP
• B2191: DIFFERENCE OF KEY
• B2192: ID DISCORD BCM-ECM
• B2193: CHAIN OF BCM-ECM
• B2195: ANTI SCANNING
4
• B2553: IGNITION RELAY
• B2555: STOP LAMP
• B2556: PUSH-BTN IGN SW
• B2557: VEHICLE SPEED
• B2560: STARTER CONT RELAY
• B2601: SHIFT POSITION
• B2602: SHIFT POSITION
• B2603: SHIFT POSI STATUS
• B2604: PNP/CLUTCH SW
• B2605: PNP/CLUTCH SW
• B2608: STARTER RELAY
• B260A: IGNITION RELAY
• B260F: ENG STATE SIG LOST
• B2614: BCM
• B2615: BCM
• B2616: BCM
• B2617: BCM
• B2618: BCM
• B261A: PUSH-BTN IGN SW
• B261E: VEHICLE TYPE
• B26EA: KEY REGISTRATION
• C1729: VHCL SPEED SIG ERR
• U0415: VEHICLE SPEED
5
• C1704: FLAT TIRE FL
• C1705: FLAT TIRE FR
• C1706: FLAT TIRE RR
• C1707: FLAT TIRE RL
• C1708: [NO DATA] FL
• C1709: [NO DATA] FR
• C1710: [NO DATA] RR
• C1711: [NO DATA] RL
• C1716: [PRESSDATA ERR] FL
• C1717: [PRESSDATA ERR] FR
• C1718: [PRESSDATA ERR] RR
• C1719: [PRESSDATA ERR] RL
• C1734: CONTROL UNIT
6
• B2622: INSIDE ANTENNA
• B2623: INSIDE ANTENNA
Revision: 2012 October
2013 Murano CrossCabriolet
BCS-56
< ECU DIAGNOSIS INFORMATION >
BCM
CONSULT display
Fail-safe
Freeze Frame
Data
•Vehicle Speed
•Odo/Trip Meter
•Vehicle Condi-
tion
Intelligent Key
warning lamp ON
Tire pressure
monitor warning
lamp ON
Reference
page
No DTC is detected.
further testing
may be required.
—
—
—
—
—
U1000: CAN COMM
—
—
—
—
U1010: CONTROL UNIT(CAN)
—
—
—
—
U0415: VEHICLE SPEED
—
—
—
—
B2190: NATS ANTENNA AMP
×
—
—
—
B2191: DIFFERENCE OF KEY
×
—
—
—
B2192: ID DISCORD BCM-ECM
×
—
—
—
B2193: CHAIN OF BCM-ECM
×
—
—
—
B2195: ANTI SCANNING
×
—
—
—
B2553: IGNITION RELAY
—
×
—
—
B2555: STOP LAMP
—
×
—
—
B2556: PUSH-BTN IGN SW
—
×
×
—
B2557: VEHICLE SPEED
×
×
×
—
B2560: STARTER CONT RELAY
×
×
×
—
B2562: LOW VOLTAGE
—
×
—
—
B2601: SHIFT POSITION
×
×
×
—
B2602: SHIFT POSITION
×
×
×
—
B2603: SHIFT POSI STATUS
×
×
×
—
B2604: PNP/CLUTCH SW
×
×
×
—
B2605: PNP/CLUTCH SW
×
×
×
—
B2608: STARTER RELAY
×
×
×
—
B260A: IGNITION RELAY
×
×
×
—
B260F: ENG STATE SIG LOST
×
×
×
—
B2614: BCM
—
×
×
—
B2615: BCM
—
×
×
—
B2616: BCM
—
×
×
—
B2617: BCM
×
×
×
—
B2618: BCM
×
×
×
—
B261A: PUSH-BTN IGN SW
—
×
×
—
B261E: VEHICLE TYPE
×
×
×
(Turn ON for 15
seconds)
—
B2622: INSIDE ANTENNA
—
×
—
—
B2623: INSIDE ANTENNA
—
×
—
—
B26EA: KEY REGISTRATION
—
×
×
(Turn ON for 15
seconds)
—
C1704: FLAT TIRE FL
—
—
—
×
C1705: FLAT TIRE FR
—
—
—
×
C1706: FLAT TIRE RR
—
—
—
×
C1707: FLAT TIRE RL
—
—
—
×
Revision: 2012 October
2013 Murano CrossCabriolet
BCS
BCM
BCS-57
< ECU DIAGNOSIS INFORMATION >
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
C1708: [NO DATA] FL
—
—
—
×
C1709: [NO DATA] FR
—
—
—
×
C1710: [NO DATA] RR
—
—
—
×
C1711: [NO DATA] RL
—
—
—
×
C1716: [PRESSDATA ERR] FL
—
—
—
×
C1717: [PRESSDATA ERR] FR
—
—
—
×
C1718: [PRESSDATA ERR] RR
—
—
—
×
C1719: [PRESSDATA ERR] RL
—
—
—
×
C1729: VHCL SPEED SIG ERR
—
—
—
×
C1734: CONTROL UNIT
—
—
—
×
CONSULT display
Fail-safe
Freeze Frame
Data
•Vehicle Speed
•Odo/Trip Meter
•Vehicle Condi-
tion
Intelligent Key
warning lamp ON
Tire pressure
monitor warning
lamp ON
Reference
page
Revision: 2012 October
2013 Murano CrossCabriolet
BCS-58
< WIRING DIAGRAM >
BCM
WIRING DIAGRAM
BCM
Wiring Diagram
INFOID:0000000008460433
For connector terminal arrangements, harness layouts, and alphabets in a
(option abbreviation; if not
described in wiring diagram), refer to
GI-12, "Connector Information"
JRMWD5065GB
Revision: 2012 October
2013 Murano CrossCabriolet
BCS
BCM
BCS-59
< WIRING DIAGRAM >
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
JRMWD5066GB
Revision: 2012 October
2013 Murano CrossCabriolet
BCS-60
< WIRING DIAGRAM >
BCM
JRMWD5067GB
Revision: 2012 October
2013 Murano CrossCabriolet
BCS
BCM
BCS-61
< WIRING DIAGRAM >
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
JRMWD5068GB
Revision: 2012 October
2013 Murano CrossCabriolet
BCS-62
< BASIC INSPECTION >
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT
BASIC INSPECTION
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT
Description
INFOID:0000000008460434
BEFORE REPLACEMENT
When replacing BCM, save or print current vehicle specification with CONSULT configuration before replace-
ment.
NOTE:
If “READ CONFIGURATION” can not be used, use the “WRITE CONFIGURATION - Manual selection” after
replacing BCM.
AFTER REPLACEMENT
CAUTION:
When replacing BCM, always perform “WRITE CONFIGURATION” with CONSULT. Or not doing so,
BCM control function does not operate normally.
• Complete the procedure of “WRITE CONFIGURATION” in order.
• Configuration is different for each vehicle model. Confirm configuration of each vehicle model.
• If you set incorrect “WRITE CONFIGURATION”, incidents might occur.
NOTE:
When replacing BCM, perform the system initialization (NATS) (if equipped).
Work Procedure
INFOID:0000000008460435
1.
SAVING VEHICLE SPECIFICATION
CONSULT Configuration
Perform “READ CONFIGURATION” to save or print current vehicle specification. Refer to
.
NOTE:
If “READ CONFIGURATION” can not be used, use the “WRITE CONFIGURATION - Manual selection” after
replacing BCM.
>> GO TO 2.
2.
REPLACE BCM
Replace BCM. Refer to
BCS-77, "Removal and Installation"
>> GO TO 3.
3.
WRITING VEHICLE SPECIFICATION
CONSULT Configuration
Perform “WRITE CONFIGURATION - Config file” or “WRITE CONFIGURATION - Manual selection” to write
vehicle specification. Refer to
>> GO TO 4.
4.
INITIALIZE BCM (NATS) (IF EQUIPPED)
Perform BCM initialization. (NATS)
>> WORK END
Revision: 2012 October
2013 Murano CrossCabriolet
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