Murano Cross Cabriolet Z51 (2011 year). Manual - part 4

BCS

BCM

BCS-45

< ECU DIAGNOSIS INFORMATION >

C

D

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F

G

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L

B

A

O

P

N

95

(L)

Ground

Accessory relay con-
trol

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 relay control

Output

Ignition switch

OFF or ACC

0 V

ON

Battery voltage

103

(L)

Ground

Remote keyless entry 
receiver (front) power 
supply

Output

Ignition switch OFF

Battery voltage

105

(L)

Ground

Remote keyless entry 
receiver (rear) power 
supply

Output

Ignition switch OFF

Battery voltage

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

Signal name

Input/ 

Output

+

–

JPMIA0016GB

JPMIA0016GB

Revision: 2012 March

2011 Murano CrossCabriolet

BCS-46

< 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 March

2011 Murano CrossCabriolet

BCS

BCM

BCS-47

< ECU DIAGNOSIS INFORMATION >

C

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B

A

O

P

N

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 March

2011 Murano CrossCabriolet

BCS-48

< 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 March

2011 Murano CrossCabriolet

BCS

BCM

BCS-49

< ECU DIAGNOSIS INFORMATION >

C

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A

O

P

N

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 March

2011 Murano CrossCabriolet

BCS-50

< ECU DIAGNOSIS INFORMATION >

BCM

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 March

2011 Murano CrossCabriolet

BCS

BCM

BCS-51

< ECU DIAGNOSIS INFORMATION >

C

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L

B

A

O

P

N

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 March

2011 Murano CrossCabriolet

BCS-52

< ECU DIAGNOSIS INFORMATION >

BCM

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 March

2011 Murano CrossCabriolet

BCS

BCM

BCS-53

< ECU DIAGNOSIS INFORMATION >

C

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B

A

O

P

N

Fail-safe

INFOID:0000000006942468

FAIL-SAFE CONTROL BY DTC

BCM performs fail-safe control when any DTC are detected.

DTC Inspection Priority Chart

INFOID:0000000006942469

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 March

2011 Murano CrossCabriolet

BCS-54

< ECU DIAGNOSIS INFORMATION >

BCM

DTC Index

INFOID:0000000006942470

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 

BCS-12, "COM-

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 March

2011 Murano CrossCabriolet

BCS

BCM

BCS-55

< ECU DIAGNOSIS INFORMATION >

C

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A

O

P

N

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

—

—

—

—

BCS-67

U1010: CONTROL UNIT(CAN)

—

—

—

—

BCS-68

U0415: VEHICLE SPEED

—

—

—

—

BCS-69

B2190: NATS ANTENNA AMP

×

—

—

—

SEC-71

B2191: DIFFERENCE OF KEY

×

—

—

—

SEC-74

B2192: ID DISCORD BCM-ECM

×

—

—

—

SEC-75

B2193: CHAIN OF BCM-ECM

×

—

—

—

SEC-76

B2195: ANTI SCANNING

×

—

—

—

SEC-77

B2553: IGNITION RELAY

—

×

—

—

PCS-55

B2555: STOP LAMP

—

×

—

—

SEC-78

B2556: PUSH-BTN IGN SW

—

×

×

—

SEC-81

B2557: VEHICLE SPEED

×

×

×

—

SEC-83

B2560: STARTER CONT RELAY

×

×

×

—

SEC-84

B2562: LOW VOLTAGE

—

×

—

—

BCS-70

B2601: SHIFT POSITION

×

×

×

—

SEC-85

B2602: SHIFT POSITION

×

×

×

—

SEC-87

B2603: SHIFT POSI STATUS

×

×

×

—

SEC-90

B2604: PNP/CLUTCH SW

×

×

×

—

SEC-93

B2605: PNP/CLUTCH SW

×

×

×

—

SEC-95

B2608: STARTER RELAY

×

×

×

—

SEC-97

B260A: IGNITION RELAY

×

×

×

—

PCS-57

B260F: ENG STATE SIG LOST

×

×

×

—

SEC-99

B2614: BCM

—

×

×

—

PCS-59

B2615: BCM

—

×

×

—

PCS-62

B2616: BCM

—

×

×

—

PCS-65

B2617: BCM

×

×

×

—

SEC-100

B2618: BCM

×

×

×

—

PCS-68

B261A: PUSH-BTN IGN SW

—

×

×

—

PCS-69

B261E: VEHICLE TYPE

×

×

×

 (Turn ON for 15 

seconds)

—

SEC-104

B2622: INSIDE ANTENNA

—

×

—

—

DLK-79

B2623: INSIDE ANTENNA

—

×

—

—

DLK-81

B26EA: KEY REGISTRATION

—

×

×

 (Turn ON for 15 

seconds)

—

SEC-105

C1704: FLAT TIRE FL

—

—

—

×

WT-23

C1705: FLAT TIRE FR

—

—

—

×

C1706: FLAT TIRE RR

—

—

—

×

C1707: FLAT TIRE RL

—

—

—

×

Revision: 2012 March

2011 Murano CrossCabriolet

BCS-56

< ECU DIAGNOSIS INFORMATION >

BCM

C1708: [NO DATA] FL

—

—

—

×

WT-25

C1709: [NO DATA] FR

—

—

—

×

C1710: [NO DATA] RR

—

—

—

×

C1711: [NO DATA] RL

—

—

—

×

C1716: [PRESSDATA ERR] FL

—

—

—

×

WT-28

C1717: [PRESSDATA ERR] FR

—

—

—

×

C1718: [PRESSDATA ERR] RR

—

—

—

×

C1719: [PRESSDATA ERR] RL

—

—

—

×

C1729: VHCL SPEED SIG ERR

—

—

—

×

WT-29

C1734: CONTROL UNIT

—

—

—

×

WT-30

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

Revision: 2012 March

2011 Murano CrossCabriolet

BCS

BCM

BCS-57

< WIRING DIAGRAM >

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WIRING DIAGRAM

BCM

Wiring Diagram

INFOID:0000000006942467

JCMWA8047GB

Revision: 2012 March

2011 Murano CrossCabriolet

BCS-58

< WIRING DIAGRAM >

BCM

JCMWA8048GB

Revision: 2012 March

2011 Murano CrossCabriolet

BCS

BCM

BCS-59

< WIRING DIAGRAM >

C

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B

A

O

P

N

JCMWA8049GB

Revision: 2012 March

2011 Murano CrossCabriolet

BCS-60

< WIRING DIAGRAM >

BCM

JCMWA8050GB

Revision: 2012 March

2011 Murano CrossCabriolet