Murano Cross Cabriolet Z51 (2012 year). Manual - part 80

B2601 SHIFT POSITION

SEC-63

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-76, "Removal and Installation"

.

NO

>> Repair or replace harness or connector.

3.

CHECK CVT SHIFT SELECTOR CIRCUIT (BCM)

1.

Disconnect BCM connector and IPDM E/R connector.

2.

Check continuity between CVT shift selector (detention switch) harness connector and BCM harness con-
nector.

3.

Check continuity between CVT shift selector (detention switch) harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harness or connector.

4.

CHECK CVT SHIFT SELECTOR CIRCUIT (IPDM E/R)

1.

Check continuity between CVT shift selector (detention switch) harness connector and IPDM E/R harness
connector.

2.

Check continuity between CVT shift selector (detention switch) harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Repair or replace harness or connector.

5.

CHECK CVT SHIFT SELECTOR (DETENTION SWITCH)

Refer to 

SEC-65, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Replace CVT shift selector. Refer to 

TM-143, "Removal and Installation"

.

6.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-40, "Intermittent Incident"

.

>> INSPECTION END

CVT shift selector (detention switch)

Ground

Continuity

Connector

Terminal

M57

8

Not existed

CVT shift selector (detention switch)

BCM

Continuity

Connector

Terminal

Connector

Terminal

M57

9

M122

99

Existed

CVT shift selector (detention switch)

Ground

Continuity

Connector

Terminal

M57

9

Not existed

CVT shift selector (detention switch)

IPDM E/R

Continuity

Connector

Terminal

Connector

Terminal

M57

9

E11

43

Existed

CVT shift selector (detention switch)

Ground

Continuity

Connector

Terminal

M57

9

Not existed

Revision: 2013 February

2012 Murano CrossCabriolet

SEC-64

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

B2602 SHIFT POSITION

B2602 SHIFT POSITION

DTC Logic

INFOID:0000000007563280

DTC DETECTION LOGIC

NOTE:
• If DTC B2602 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to

BCS-65, "DTC Logic"

.

• If DTC B2602 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to

BCS-66, "DTC Logic"

.

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Start engine.

2.

Drive vehicle at a speed of 4 km/h (2.5 MPH) or more for 10 seconds or more.

3.

Check DTC in “Self Diagnostic Result” mode of “BCM” using CONSULT.

Is DTC detected?

YES

>> Go to 

SEC-64, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000007563281

1.

CHECK DTC OF “ABS ACTUATOR AND ELECTRIC UNIT”

Check DTC in “Self Diagnostic Result” mode of “ABS” using CONSULT. Refer to 

BRC-24, "DTC No. Index"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace the malfunctioning parts.

2.

CHECK DTC OF COMBINATION METER

Check DTC in “Self Diagnostic Result” mode of “METER/M&A” using CONSULT. Refer to 

MWI-31, "DTC

Index"

.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace the malfunctioning parts.

3.

CHECK CVT SHIFT SELECTOR POWER SUPPLY

1.

Turn ignition switch OFF.

2.

Disconnect CVT shift selector (detention switch) connector.

3.

Check voltage between CVT shift selector (detention switch) harness connector and ground.

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

B2602

SHIFT POSITION

BCM detects the following status for 10 
seconds.
• Shift position is in the P position
• Vehicle speed is 4 km/h (2.5 MPH) or 

more

• Ignition switch is in the ON position

• Harness or connectors

(The CAN communication line is open 
or shorted.)

• Harness or connectors 

[CVT shift selector (detention switch) 
circuit is open or shorted.]

• CVT shift selector (detention switch)
• ABS actuator and electric unit (control 

unit)

• Combination meter
• BCM

(+)

(–)

Voltage (V)

(Approx.)

CVT shift selector (detention switch)

Connector

Terminal

M57

8

Ground

Battery voltage

Revision: 2013 February

2012 Murano CrossCabriolet

B2602 SHIFT POSITION

SEC-65

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> GO TO 4.

4.

CHECK CVT SHIFT SELECTOR POWER SUPPLY CIRCUIT

1.

Disconnect BCM connector.

2.

Check continuity between CVT shift selector (detention switch) harness connector and BCM harness con-
nector.

3.

Check continuity between CVT shift selector (detention switch) harness connector and ground.

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-76, "Removal and Installation"

.

NO

>> Repair or replace harness or connector.

5.

CHECK CVT SHIFT SELECTOR CIRCUIT

1.

Disconnect BCM connector and IPDM E/R connector.

2.

Check continuity between CVT shift selector (detention switch) harness connector and BCM harness con-
nector.

3.

Check continuity between CVT shift selector (detention switch) harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Repair or replace harness or connector.

6.

CHECK CVT SHIFT SELECTOR (DETENTION SWITCH)

Refer to 

SEC-65, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 7.

NO

>> Replace CVT shift selector. Refer to 

TM-143, "Removal and Installation"

.

7.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-40, "Intermittent Incident"

.

>> INSPECTION END

Component Inspection

INFOID:0000000007563282

1.

CHECK CVT SHIFT SELECTOR (DETENTION SWITCH)

1.

Turn ignition switch OFF.

2.

Disconnect CVT shift selector connector.

CVT shift selector (detention switch)

BCM

Continuity

Connector

Terminal

Connector

Terminal

M57

8

M122

96

Existed

CVT shift selector (detention switch)

Ground

Continuity

Connector

Terminal

M57

8

No existed

CVT shift selector (detention switch)

BCM

Continuity

Connector

Terminal

Connector

Terminal

M57

9

M122

99

Existed

CVT shift selector (detention switch)

Ground

Continuity

Connector

Terminal

M57

9

No existed

Revision: 2013 February

2012 Murano CrossCabriolet

SEC-66

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

B2602 SHIFT POSITION

3.

Check continuity between CVT shift selector (detention switch) terminals.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace CVT shift selector. Refer to 

TM-143, "Removal and Installation"

.

CVT shift selector (detention switch)

Condition

Continuity

Terminal

8

9

Selector  lever

P position

Not existed

Other than above

Existed

Revision: 2013 February

2012 Murano CrossCabriolet

B2603 SHIFT POSITION

SEC-67

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

B2603 SHIFT POSITION

DTC Logic

INFOID:0000000007563283

DTC DETECTION LOGIC

NOTE:
• If DTC B2603 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to

BCS-65, "DTC Logic"

.

• If DTC B2603 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to

BCS-66, "DTC Logic"

.

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE 1

1.

Shift the selector lever to the P position.

2.

Turn ignition switch ON and wait 1 second or more.

3.

Check DTC in “Self Diagnostic Result” mode of “BCM” using CONSULT.

Is DTC detected?

YES

>> Go to 

SEC-67, "Diagnosis Procedure"

.

NO

>> GO TO 2.

2.

PERFORM DTC CONFIRMATION PROCEDURE 2

1.

Shift the selector lever to any position other than P, and wait 1 second or more.

2.

Check DTC in “Self Diagnostic Result” mode of “BCM” using CONSULT.

Is DTC detected?

YES

>> Go to 

SEC-67, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000007563284

1.

CHECK DTC OF TCM

Check DTC in “Self Diagnostic Result” mode of “TCM” using CONSULT. Refer to 

TM-45, "DTC Index"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace the malfunctioning parts.

2.

CHECK TCM CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect TCM connector and BCM connector.

3.

Check continuity between TCM harness connector and BCM harness connector.

4.

Check continuity between TCM harness connector and ground.

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible causes

B2603

SHIFT POSI STATUS

BCM detects the followings status for 500 ms or 
more when ignition switch is in the ON position.
• P/N position signal from TCM: Approx. 0 V 

(Other than P/N position)

• CVT shift selector (detention switch) signal: 

Approx. 0 V (P position)

• Harness or connectors

(The CAN communication line is open 
or shorted.)

• Harness or connector

[CVT shift selector circuit (detention 
switch) is open or shorted.]

• Harness or connectors

(TCM circuit is open or shorted.)

• CVT shift selector (detention switch)
• TCM
• BCM

TCM

BCM

Continuity

Connector

Terminal

Connector

Terminal

F23

20

M123

140

Existed

Revision: 2013 February

2012 Murano CrossCabriolet

SEC-68

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

B2603 SHIFT POSITION

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness or connector.

3.

CHECK CVT SHIFT SELECTOR POWER SUPPLY

1.

Disconnect CVT shift selector (detention switch) connector.

2.

Check voltage between CVT shift selector (detention switch) harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> GO TO 4.

4.

CHECK CVT SHIFT SELECTOR POWER SUPPLY CIRCUIT

1.

Disconnect BCM connector.

2.

Check continuity between CVT shift selector (detention switch) harness connector and BCM harness con-
nector.

3.

Check continuity between CVT shift selector (detention switch) harness connector and ground.

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-76, "Removal and Installation"

.

NO

>> Repair or replace harness or connector.

5.

CHECK CVT SHIFT SELECTOR CIRCUIT

1.

Disconnect BCM connector and IPDM E/R connector.

2.

Check continuity between CVT shift selector (detention switch) harness connector and BCM harness con-
nector.

3.

Check continuity between CVT shift selector (detention switch) harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Repair or replace harness or connector.

TCM

Ground

Continuity

Connector

Terminal

F23

20

Not existed

(+)

(–)

Voltage (V)

(Approx.)

CVT shift selector (detention switch)

Connector

Terminal

M57

8

Ground

Battery voltage

CVT shift selector (detention switch)

BCM

Continuity

Connector

Terminal

Connector

Terminal

M57

8

M122

96

Existed

CVT shift selector (detention switch)

Ground

Continuity

Connector

Terminal

M57

8

Not existed

CVT shift selector (detention switch)

BCM

Continuity

Connector

Terminal

Connector

Terminal

M57

9

M122

99

Existed

CVT shift selector (detention switch)

Ground

Continuity

Connector

Terminal

M57

9

Not existed

Revision: 2013 February

2012 Murano CrossCabriolet

B2603 SHIFT POSITION

SEC-69

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

6.

CHECK CVT SHIFT SELECTOR (DETENTION SWITCH)

Refer to 

SEC-65, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 7.

NO

>> Replace CVT shift selector. Refer to 

TM-143, "Removal and Installation"

.

7.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-40, "Intermittent Incident"

.

>> INSPECTION END

Component Inspection

INFOID:0000000007563285

1.

CHECK CVT SHIFT SELECTOR (DETENTION SWITCH)

1.

Turn ignition switch OFF.

2.

Disconnect CVT shift selector connector.

3.

Check continuity between CVT shift selector (detention switch) terminals.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace CVT shift selector. Refer to 

TM-143, "Removal and Installation"

.

CVT shift selector (detention switch)

Condition

Continuity

Terminal

8

9

Selector  lever

P position

Not existed

Other than above

Existed

Revision: 2013 February

2012 Murano CrossCabriolet

SEC-70

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

B2604 SHIFT POSITION

B2604 SHIFT POSITION

DTC Logic

INFOID:0000000007563286

DTC DETECTION LOGIC

NOTE:
• If DTC B2604 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to

BCS-65, "DTC Logic"

.

• If DTC B2604 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to

BCS-66, "DTC Logic"

.

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Shift the selector lever to the P position.

2.

Turn ignition switch ON and wait 5 seconds or more.

3.

Shift the selector lever to the N position and wait 5 seconds or more.

4.

Shift the selector lever to any position other than P and N, and wait 5 seconds or more.

5.

Check DTC in “Self Diagnostic Result” mode of “BCM” using CONSULT.

Is DTC detected?

YES

>> Go to 

SEC-70, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000007563287

1.

CHECK DTC OF TCM

Check DTC in “Self Diagnostic Result” mode of “TCM” using CONSULT. Refer to 

TM-45, "DTC Index"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace the malfunctioning parts.

2.

CHECK TCM CIRCUIT 1

1.

Turn ignition switch OFF.

2.

Disconnect TCM connector and BCM connector.

3.

Check continuity between TCM harness connector and BCM harness connector.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> GO TO 3.

3.

CHECK TCM CIRCUIT 2

1.

Disconnect IPDM E/R connector.

2.

Check continuity between IPDM E/R harness connector and BCM harness connector.

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

B2604

PNP/CLUTCH SW

BCM detects the following status for 500 ms or 
more when ignition switch is in the ON position.
• P/N position input signal exists. Shift position 

signal from TCM does not exist.

• P/N position input signal does not exist. Shift 

position signal from TCM exists.

• Harness or connectors

(The CAN communication line is 
open or shorted.)

• Harness or connectors 

(TCM circuit is open or shorted.)

• TCM

TCM

BCM

Continuity

Connector

Terminal

Connector

Terminal

F23

20

M123

140

Existed

Revision: 2013 February

2012 Murano CrossCabriolet

B2604 SHIFT POSITION

SEC-71

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

3.

Check continuity between IPDM E/R harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harness or connector.

4.

CHECK TCM CIRCUIT 3

1.

Check continuity between IPDM E/R harness connector and TCM harness connector.

2.

Check continuity between IPDM E/R harness connector and ground.

Is the inspection result normal?

YES

>> Replace IPDM E/R. Refer to 

PCS-31, "Removal and Installation"

.

NO

>> Repair or replace harness or connector.

5.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-40, "Intermittent Incident"

.

>> INSPECTION END

IPEM E/R

BCM

Continuity

Connector

Terminal

Connector

Terminal

E10

30

M123

140

Existed

IPDM E/R

Ground

Continuity

Connector

Terminal

E10

30

Not existed

IPEM E/R

TCM

Continuity

Connector

Terminal

Connector

Terminal

E10

72

F23

20

Existed

IPDM E/R

Ground

Continuity

Connector

Terminal

E10

72

Not existed

Revision: 2013 February

2012 Murano CrossCabriolet

SEC-72

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

B2605 SHIFT POSITION

B2605 SHIFT POSITION

DTC Logic

INFOID:0000000007563288

DTC DETECTION LOGIC

NOTE:
• If DTC B2605 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to

BCS-65, "DTC Logic"

.

• If DTC B2605 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to

BCS-66, "DTC Logic"

.

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Shift the selector lever to the P position.

2.

Turn ignition switch ON and wait 1 second or more.

3.

Shift the selector lever to the N position and wait 1 second or more.

4.

Shift the selector lever to any position other than P and N, and wait 1 second or more.

5.

Check DTC in “Self Diagnostic Result” mode of “BCM” using CONSULT.

Is DTC detected?

YES

>> Go to 

SEC-72, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000007563289

1.

CHECK DTC OF IPDM E/R

Check DTC in “Self Diagnostic Result” mode of “IPDM E/R” using CONSULT. Refer to 

PCS-23, "DTC Index"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace the malfunctioning parts.

2.

CHECK TCM CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect TCM connector and BCM connector.

3.

Check continuity between TCM harness connector and BCM harness connector.

4.

Check continuity between TCM harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness or connector.

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

B2605

PNP/CLUTCH SW

BCM detects the following status for 500 ms or 
more when ignition switch is in the ON position
• P/N position input signal exists. Shift position 

signal from IPDM E/R does not exist.

• P/N position input signal does not exist. Shift 

position signal from IPDM E/R exists.

• Harness or connectors

(The CAN communication line is 
open or shorted.)

• Harness or connectors

(TCM circuit is open or shorted.)

• TCM
• IPDM  E/R

TCM

BCM

Continuity

Connector

Terminal

Connector

Terminal

F23

20

M123

140

Existed

TCM

Ground

Continuity

Connector

Terminal

F23

20

Not existed

Revision: 2013 February

2012 Murano CrossCabriolet

B2605 SHIFT POSITION

SEC-73

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

3.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-40, "Intermittent Incident"

.

>> INSPECTION END

Revision: 2013 February

2012 Murano CrossCabriolet

SEC-74

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

B2608 STARTER RELAY

B2608 STARTER RELAY

DTC Logic

INFOID:0000000007563290

DTC DETECTION LOGIC

NOTE:
• If DTC B2608 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to

BCS-65, "DTC Logic"

.

• If DTC B2608 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to

BCS-66, "DTC Logic"

.

• If DTC B2608 is displayed with DTC B210D (IPDM E/R), first perform the trouble diagnosis for DTC B210D.

Refer to 

SEC-85, "DTC Logic"

.

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn ignition switch ON.

2.

Check DTC in “Self Diagnostic Result” mode of “BCM” using CONSULT.

Is DTC detected?

YES

>> Go to 

SEC-74, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000007563291

1.

CHECK STARTER RELAY POWER SUPPLY CIRCUIT

1.

Turn ignition switch ON.

2.

Check voltage between BCM harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK STARTER RELAY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect BCM connector and IPDM E/R connector.

3.

Check continuity between IPDM E/R harness connector and BCM harness connector.

4.

Check continuity between IPDM E/R harness connector and ground.

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

B2608

STARTER RELAY

BCM receives starter relay ON signal (CAN) 
from IPDM E/R even if BCM turns the starter 
relay OFF.

• Harness or connectors

(The CAN communication line is 
open or shorted.)

• Harness or connectors 

(starter relay circuit is open or 
shorted.)

• IPDM E/R

(+)

(–)

Condition

Voltage (V)

(Approx.)

BCM

Connector

Terminal

M121

52

Ground

Selector lever

N or P position

Battery voltage

Other than above

0

IPDM E/R

BCM

Continuity

Connector

Terminal

Connector

Terminal

E11

46

M121

52

Existed

Revision: 2013 February

2012 Murano CrossCabriolet

B2608 STARTER RELAY

SEC-75

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

Is the inspection result normal?

YES

>> Replace IPDM E/R. Refer to 

PCS-31, "Removal and Installation"

.

NO

>> Repair or replace harness or connector.

3.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-40, "Intermittent Incident"

.

>> INSPECTION END

IPDM E/R

Ground

Continuity

Connector

Terminal

E11

46

Not existed

Revision: 2013 February

2012 Murano CrossCabriolet

SEC-76

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

B260F ENGINE STATUS

B260F ENGINE STATUS

Description

INFOID:0000000007563292

BCM receives the engine status signal from ECM via CAN communication.

DTC Logic

INFOID:0000000007563293

DTC DETECTION LOGIC

NOTE:
• If DTC B260F is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to

BCS-65, "DTC Logic"

.

• If DTC B260F is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to

BCS-66, "DTC Logic"

.

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn ignition switch ON and wait 2 seconds or more.

2.

Check DTC in “Self Diagnostic Result” mode of “BCM” using CONSULT.

Is DTC detected?

YES

>> Go to 

SEC-76, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000007563294

1.

INSPECTION START

1.

Turn ignition switch ON.

2.

Check DTC in “Self Diagnostic Result” mode of “BCM” using CONSULT.

3.

Touch “ERASE”.

4.

Perform DTC CONFIRMATION PROCEDURE for DTC B260F. Refer to 

SEC-76, "DTC Logic"

.

Is the DTC B260F displayed again?

YES

>> GO TO 2.

NO

>> GO TO 3.

2.

REPLACE ECM

Replace ECM. Refer to 

EC-445, "Removal and Installation"

.

>> INSPECTION END

3.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-40, "Intermittent Incident"

.

>> INSPECTION END

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

B260F

ENG STATE SIG LOST

BCM is not yet received the engine status signal 
from ECM when ignition switch is in ON position

• Harness or connectors

(The CAN communication line 
is open or shorted.)

• ECM

Revision: 2013 February

2012 Murano CrossCabriolet

B2617 STARTER RELAY CIRCUIT

SEC-77

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

B2617 STARTER RELAY CIRCUIT

DTC Logic

INFOID:0000000007563295

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Press push-button ignition switch under the following conditions, and wait 1 second or more.

-

Shift position: P or N

-

Brake pedal: Depressed

2.

Check DTC in “Self Diagnostic Result” mode of “BCM” using CONSULT.

Is DTC detected?

YES

>> Go to 

SEC-77, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000007563296

1.

INSPECTION START

1.

Turn ignition switch ON.

2.

Select “Self Diagnostic Result” mode of “BCM” using CONSULT.

3.

Touch “ERASE”.

4.

Perform DTC CONFIRMATION PROCEDURE for DTC B2617. Refer to 

SEC-77, "DTC Logic"

.

Is DTC detected?

YES

>> GO TO 2.

NO

>> INSPECTION END

2.

REPLACE BCM

1.

Replace BCM. Refer to 

BCS-76, "Removal and Installation"

.

2.

Perform initialization of BCM and registration of all Intelligent Keys using CONSULT.

>> INSPECTION END

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

B2617

BCM

A malfunction of starter relay output signal circuit 
is detected inside of BCM

BCM

Revision: 2013 February

2012 Murano CrossCabriolet

SEC-78

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

B261A PUSH-BUTTON IGNITION SWITCH

B261A PUSH-BUTTON IGNITION SWITCH

DTC Logic

INFOID:0000000007563297

DTC DETECTION LOGIC

NOTE:
• If DTC B261A is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to

BCS-65, "DTC Logic"

.

• If DTC B261A is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to

BCS-66, "DTC Logic"

.

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE 1

1.

Press push-button ignition switch for 1 second under the following condition.

-

Selector lever: In the P or N position.

-

Brake pedal: Not depressed

2.

Check DTC in “Self Diagnostic Result” mode of “BCM” using CONSULT.

Is DTC detected?

YES

>> Go to 

SEC-78, "Diagnosis Procedure"

NO

>> GO TO 2.

2.

PERFORM DTC CONFIRMATION PROCEDURE 2

1.

Insert Intelligent Key into the key slot.

2.

Press the push-button ignition switch under the following conditions and wait 1 second or more.

-

Selector lever is in the P or N position.

-

Do not depress brake pedal.

3.

Check DTC in “Self Diagnostic Result” mode of “BCM” using CONSULT.

Is DTC detected?

YES

>> Go to 

SEC-78, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000007563298

1.

INSPECTION START

Perform inspection in accordance with procedure that confirms DTC.

Which procedure confirms DTC?

DTC CONFIRMATION PROCEDURE 1>>GO TO 2.
DTC CONFIRMATION PROCEDURE 2>>GO TO 4.

2.

CHECK PUSH-BUTTON IGNITION SWITCH OUTPUT SIGNAL 1

1.

Turn ignition switch OFF.

2.

Disconnect push-button ignition switch connector and IPDM E/R connector.

3.

Check voltage between push-button ignition switch harness connector and ground.

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

B261A

PUSH-BTN IGN SW

BCM detects the mismatch between the following 
for 1 second or more
• Power supply position with push-button ignition 

switch

• Power supply position from IPDM E/R (CAN)

• Harness or connectors

(The CAN communication line is open 
or shorted.)

• Harness or connectors

(Push-button ignition switch circuit is 
open or shorted.)

- Between BCM and push-button igni-

tion switch

- Between IPDM E/R and push-button 

ignition switch

Revision: 2013 February

2012 Murano CrossCabriolet