Nissan Murano Z51 (2013 year). Manual — part 62
BCM
PWC-51
< ECU DIAGNOSIS INFORMATION >
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PWC
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O
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92
(R)
Ground
Key slot illumination
Output
Key slot illumina-
tion
OFF
0 V
Blinking
6.5 V
ON
Battery voltage
93
(P)
Ground
ON indicator lamp
Output
Ignition switch
OFF (LOCK and ACC indi-
cator lamps are not illumi-
nated.)
Battery voltage
ON
0 V
95
(L)
Ground
ACC relay control
Output
Ignition switch
OFF
0 V
ACC or ON
Battery voltage
96
(Y)
Ground
CVT shift selector
(detention switch)
power supply
Output
—
Battery voltage
99
(V)
Ground
Selector lever P posi-
tion switch
Input
Selector lever
P position
0 V
Any position other than P
Battery voltage
100
(P)
Ground
Passenger door re-
quest switch
Input
Passenger door
request switch
ON (Pressed)
0 V
OFF (Not pressed)
1.0 V
101
(W)
Ground
Driver door request
switch
Input
Driver door re-
quest switch
ON (Pressed)
0 V
OFF (Not pressed)
1.0 V
102
(Y)
Ground
Blower fan motor re-
lay control
Output
Ignition switch
OFF or ACC
0 V
ON
Battery voltage
103
(L)
Ground
Remote keyless entry
receiver power sup-
ply
Output
Ignition switch OFF
Battery voltage
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
Signal name
Input/
Output
+
–
JPMIA0015GB
JPMIA0016GB
JPMIA0016GB
Revision: 2012 September
2013 MURANO
PWC-52
< ECU DIAGNOSIS INFORMATION >
BCM
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 September
2013 MURANO
BCM
PWC-53
< ECU DIAGNOSIS INFORMATION >
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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
Rear wiper switch INT
(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
JPMIA0040GB
JPMIA0039GB
Revision: 2012 September
2013 MURANO
PWC-54
< ECU DIAGNOSIS INFORMATION >
BCM
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 September
2013 MURANO
BCM
PWC-55
< ECU DIAGNOSIS INFORMATION >
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PWC
N
O
P
112
(R)
Ground
Rain sensor serial
link
Input/
Output
Ignition switch ON
8.7 V
113
(P/B)
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
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
Signal name
Input/
Output
+
–
JPMIA0156GB
JPMIA0012GB
JPMIA0011GB
Revision: 2012 September
2013 MURANO
PWC-56
< ECU DIAGNOSIS INFORMATION >
BCM
130
(BR)
Ground
Rear window defog-
ger switch
Input
Ignition switch
ON
Rear window defogger
switch OFF
1.1 V
Rear window defogger
switch ON
0 V
132
(G)
Ground
Power window switch
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
+
–
JPMIA0012GB
JPMIA0013GB
JPMIA0159GB
Revision: 2012 September
2013 MURANO
BCM
PWC-57
< ECU DIAGNOSIS INFORMATION >
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PWC
N
O
P
139
(O)
Ground
Tire pressure receiv-
er communication
Input/
Output
Ignition switch
ON
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
Output
Security indicator
ON
0 V
Blinking
11.3 V
OFF
Battery voltage
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
Rear wiper switch INT
(Wiper intermittent dial 4)
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
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
Signal name
Input/
Output
+
–
OCC3881D
OCC3880D
JPMIA0014GB
JPMIA0031GB
JPMIA0032GB
Revision: 2012 September
2013 MURANO
PWC-58
< ECU DIAGNOSIS INFORMATION >
BCM
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
Rear wiper switch ON
(Wiper intermittent dial 4)
Rear washer switch ON
(Wiper intermittent dial 4)
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
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
+
–
JPMIA0033GB
JPMIA0034GB
JPMIA0035GB
JPMIA0011GB
Revision: 2012 September
2013 MURANO
BCM
PWC-59
< ECU DIAGNOSIS INFORMATION >
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Wiring Diagram - BCM -
INFOID:0000000008946147
For connector terminal arrangements, harness layouts, and alphabets in a
(option abbreviation; if not
described in wiring diagram), refer to
GI-12, "Connector Information"
JRMWC5024GB
Revision: 2012 September
2013 MURANO
PWC-60
< ECU DIAGNOSIS INFORMATION >
BCM
JRMWC5025GB
Revision: 2012 September
2013 MURANO
BCM
PWC-61
< ECU DIAGNOSIS INFORMATION >
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PWC
N
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JRMWC5026GB
Revision: 2012 September
2013 MURANO
PWC-62
< ECU DIAGNOSIS INFORMATION >
BCM
JRMWC5027GB
Revision: 2012 September
2013 MURANO
BCM
PWC-63
< ECU DIAGNOSIS INFORMATION >
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Fail-safe
INFOID:0000000008946148
FAIL-SAFE CONTROL BY DTC
BCM performs fail-safe control when any DTC are detected.
JRMWC5028GB
Revision: 2012 September
2013 MURANO
PWC-64
< ECU DIAGNOSIS INFORMATION >
BCM
HIGH FLASHER OPERATION
BCM detects the turn signal lamp circuit status by the current value.
BCM increases the turn signal lamp blinking speed if the bulb or harness open is detected with the turn signal
lamp operating.
NOTE:
The blinking speed is normal while activating the hazard warning lamp.
FAIL-SAFE CONTROL BY RAIN SENSOR MALFUNCTION
• BCM judges the rain sensor serial link error by the rain sensor serial link condition and detects the rain sen-
sor malfunction by rain sensor malfunction signal.
• When BCM detects the rain sensor serial link error or the rain sensor malfunction while front wiper AUTO
operation, BCM operates a fail-safe control.
NOTE:
If rain sensor malfunction is detected when ignition switch is turned OFF
⇒
ON and front wiper switch is INT/
AUTO position, BCM operates a fail-safe control.
REAR WIPER MOTOR PROTECTION
BCM detects the rear wiper stopping position according to the rear wiper stop position signal.
When the rear wiper stop position signal does not change for more than 5 seconds while driving the rear
wiper, BCM stops power supply to protect the rear wiper motor.
Condition of cancellation
1.
More than 1 minute is passed after the rear wiper stop.
2.
Turn rear wiper switch OFF.
3.
Operate the rear wiper switch or rear washer switch.
DTC Inspection Priority Chart
INFOID:0000000008946149
If some DTCs are displayed at the same time, perform inspections one by one based on the following priority
chart.
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 September
2013 MURANO
BCM
PWC-65
< ECU DIAGNOSIS INFORMATION >
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DTC Index
INFOID:0000000008946150
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 SW
• B2605: PNP SW
• B2608: STARTER RELAY
• B260A: IGNITION RELAY
• B260F: ENG STATE SIG LOST
• B2614: ACC RELAY CIRC
• B2615: BLOWER RELAY CIRC
• B2616: IGN RELAY CIRC
• B2617: STARTER RELAY CIRC
• B2618: BCM
• B261A: PUSH-BTN IGN SW
• B261E: VEHICLE TYPE
• B26EA: KEY REGISTRATION
• C1729: VHCL SPEED SIG ERR
• U0415: VEHICLE SPEED SIG
5
• C1704: LOW PRESSURE FL
• C1705: LOW PRESSURE FR
• C1706: LOW PRESSURE RR
• C1707: LOW PRESSURE 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 September
2013 MURANO
PWC-66
< 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
No DTC is detected.
further testing
may be required.
—
—
—
—
—
U1000: CAN COMM
—
—
—
—
U1010: CONTROL UNIT(CAN)
—
—
—
—
U0415: VEHICLE SPEED SIG
—
—
—
—
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 SW
×
×
×
—
B2605: PNP SW
×
×
×
—
B2608: STARTER RELAY
×
×
×
—
B260A: IGNITION RELAY
×
×
×
—
B260F: ENG STATE SIG LOST
×
×
×
—
B2614: ACC RELAY CIRC
—
×
×
—
B2615: BLOWER RELAY CIRC
—
×
×
—
B2616: IGN RELAY CIRC
—
×
×
—
B2617: STARTER RELAY CIRC
×
×
×
—
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: LOW PRESSURE FL
—
—
—
×
C1705: LOW PRESSURE FR
—
—
—
×
C1706: LOW PRESSURE RR
—
—
—
×
C1707: LOW PRESSURE RL
—
—
—
×
Revision: 2012 September
2013 MURANO
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