Nissan Murano Z50 (2007 year). Manual - part 128

TROUBLE DIAGNOSIS

LAN-45

[CAN]

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Revision: 2006 July

2007 Murano

Intelligent Key unit

0: Error at present, 1 – 39: Error in the past (Number means the number of times the ignition switch is turned OFF

→

ON)

*: 39 or higher number is fixed at 39 until the self-diagnosis result is erased.

TCM

NOTE:
Replace the unit when “NG” is indicated on the “INITIAL DIAG”.

Unified Meter and A/C Amp.

0: Error at present, 1 – 39: Error in the past (Number means the number of times the ignition switch is turned OFF

→

ON)

*: 39 or higher number is fixed at 39 until the self-diagnosis result is erased.

SELECT SYS-

TEM

CAN DIAG SUP-

PORT MNTR

Description

Normal

Error

PRSNT

PAST

PRSNT

PAST

INTELLIGENT 
KEY

TRANSMIT DIAG

Signal transmission status

OK

OK

or

1 – 39

*

UNKWN

0

ECM

Signal receiving status from the ECM

METER/M&A

Signal receiving status from the unified 
meter and A/C amp.

BCM/SEC

Signal receiving status from the BCM

SELECT SYS-

TEM

CAN DIAG SUP-

PORT MNTR

Description

Normal

Error

PRSNT

TRANSMISSION

INITIAL DIAG

Status of CAN controller

OK

NG

TRANSMIT DIAG

Signal transmission status

UNKWN

ECM

Signal receiving status from the ECM

VDC/TCS/ABS

Signal receiving status from the ABS actuator and electric unit 
(control unit)

METER/M&A

Signal receiving status from the unified meter and A/C amp.

ICC

Not used even though indicated

SELECT SYS-

TEM

CAN DIAG SUP-

PORT MNTR

Description

Normal

Error

PRSNT

PAST

PRSNT

PAST

METER A/C AMP

TRANSMIT DIAG

Signal transmission status

OK

OK

or

1 – 39

*

UNKWN

0

ECM

Signal receiving status from the ECM

TCM

Signal receiving status from the TCM

BCM/SEC

Signal receiving status from the BCM

VDC/TCS/ABS

Signal receiving status from the ABS actu-
ator and electric unit (control unit)

IPDM E/R

Not used even though indicated

DISPLAY

Signal receiving status from the display 
control unit

OK

OK

or

1 – 39

*

UNKWN

0

I-KEY

Not used even though indicated

EPS

AWD/4WD

Signal receiving status from the AWD con-
trol unit

OK

OK

or

1 – 39

*

UNKWN

0

e4WD

Not used even though indicated

ICC

LANE KEEP

TIRE-P

LAN-46

[CAN]

TROUBLE DIAGNOSIS

Revision: 2006 July

2007 Murano

Driver Seat Control Unit

NOTE:
Replace the unit when “NG” is indicated on the “INITIAL DIAG”.

AWD Control Unit

NOTE:
Replace the unit when “NG” is indicated on the “INITIAL DIAG”.

ABS Actuator and Electric Unit (Control Unit) (Models with ABS)

CAUTION:

Never replace the unit even when “NG” is indicated on the “INITIAL DIAG” at this stage. Follow the trouble diagnosis proce-
dures. 

ABS Actuator and Electric Unit (Control Unit) (Models with VDC)

CAUTION:

Never replace the unit even when “NG” is indicated on the “INITIAL DIAG” at this stage. Follow the trouble diagnosis proce-
dures. 

SELECT SYS-

TEM

CAN DIAG SUP-

PORT MNTR

Description

Normal

Error

PRSNT

AUTO DRIVE 
POS.

INITIAL DIAG

Status of CAN controller

OK

NG

TRANSMIT DIAG

Signal transmission status

UNKWN

BCM/SEC

Signal receiving status from the BCM

METER/M&A

Signal receiving status from the unified meter and A/C amp.

TCM

Signal receiving status from the TCM

SELECT SYS-

TEM

CAN DIAG SUP-

PORT MNTR

Description

Normal

Error

PRSNT

ALL MODE AWD/
4WD

INITIAL DIAG

Status of CAN controller

OK

NG

TRANSMIT DIAG

Signal transmission status

UNKWN

VDC/TCS/ABS

With VDC: Signal receiving status from the ABS actuator and 
electric unit (control unit)

With ABS: Not used even though indicated

ECM

Signal receiving status from the ECM

OK

UNKWN

TCM

Not used even though indicated

METER/M&A

Signal receiving status from the unified meter and A/C amp.

OK

UNKWN

SELECT SYS-

TEM

CAN DIAG SUP-

PORT MNTR

Description

Normal

Error

PRSNT

ABS

INITIAL DIAG

Status of CAN controller

OK

NG

Caution

TRANSMIT DIAG

Signal transmission status

UNKWN

ECM

Signal receiving status from the ECM

SELECT SYS-

TEM

CAN DIAG SUP-

PORT MNTR

Description

Normal

Error

PRSNT

ABS

INITIAL DIAG

Status of CAN controller

OK

NG

Caution

TRANSMIT DIAG

Signal transmission status

UNKWN

ECM

Signal receiving status from the ECM

TCM

Signal receiving status from the TCM

METER/M&A

Not used even though indicated

STRG

Signal receiving status from the steering angle sensor

OK

UNKWN

ICC

Not used even though indicated

AWD/4WD

Signal receiving status from the AWD control unit

OK

UNKWN

TROUBLE DIAGNOSIS

LAN-47

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Revision: 2006 July

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IPDM E/R

0: Error at present, 1 – 39: Error in the past (Number means the number of times the ignition switch is turned OFF

→

ON)

*: 39 or higher number is fixed at 39 until the self-diagnosis result is erased.

SELECT SYS-

TEM

CAN DIAG SUP-

PORT MNTR

Description

Normal

Error

PRSNT

PAST

PRSNT

PAST

IPDM E/R

TRANSMIT DIAG

Signal transmission status

OK

OK

or

1 – 39

*

UNKWN

0

ECM

Signal receiving status from the ECM

BCM/SEC

Signal receiving status from the BCM

LAN-48

[CAN]

TROUBLE DIAGNOSIS

Revision: 2006 July

2007 Murano

MONITOR ITEM LIST (ON-BOARD DIAGNOSIS)
Display Control Unit

NOTE:
CAN diagnostic support monitor of the display control unit is indicated on the vehicle display.

●

Models with integrated display system: Refer to 

AV-95, "Self-Diagnosis Mode (DCU)"

 .

●

Models with navigation system: Refer to 

AV-158, "Self-Diagnosis Mode (DCU)"

 .

*: The error counter stops counting when it reaches “50” and holds “50” until it is deleted.

PKIC6980E

Unit name

Diagnosis item

Description

Indicated items on CAN DIAG SUPPORT MONITOR

Normal

Error

Result indi-

cated

Error 

counter 

(Reference)

Result indi-

cated

Error 

counter 

(Reference)

Display control 
unit

CAN_COMM

Status of CAN controller

OK

0

or

1 – 50

*

NG

1 – 50

*

CAN_CIRC_1

Signal transmission status

UNKWN

CAN_CIRC_2

Signal receiving status from the 
BCM

CAN_CIRC_3

Signal receiving status from the 
ECM

CAN_CIRC_4

Not used even though indicated

CAN_CIRC_5

Signal receiving status from the 
unified meter and A/C amp.

OK

0

or

1 – 50

*

NG

1 – 50

*

CAN_CIRC_6

Not used even though indicated

CAN_CIRC_7

Signal receiving status from the 
IPDM E/R

OK

0

or

1 – 50

*

UNKWN

1 – 50

*

CAN_CIRC_8

Not used even though indicated

CAN_CIRC_9

TROUBLE DIAGNOSIS

LAN-49

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Revision: 2006 July

2007 Murano

CAN System Specification Chart

NKS004L7

Determine CAN system type from the following specification chart. Then choose the correct diagnosis sheet.

NOTE:
Refer to 

LAN-19, "CHECK OF CAN SYSTEM TYPE (HOW TO USE CAN SYSTEM TYPE SPECIFICATION

CHART)"

  for how to use CAN system specification chart.

×

: Applicable

VEHICLE EQUIPMENT IDENTIFICATION INFORMATION

NOTE:
Check CAN system type from the vehicle shape and equipment.

Body type

Wagon

Axle

2WD

AWD

Engine

VQ35DE

Transmission

 CVT

Brake control

ABS

VDC

ABS

VDC

Intelligent Key system

×

×

×

×

Automatic drive positioner

×

×

×

×

CAN  system  type

1

2

3

4

5

6

Diagnosis sheet

LAN-69

LAN-70

LAN-71

LAN-72

LAN-73

LAN-74

CAN communication signal chart

LAN-50, "TYPE 1/TYPE 2"

LAN-52, 

"TYPE 3"

LAN-54, "TYPE 4/TYPE 5"

LAN-56, 

"TYPE 6"

SKIB8997E

LAN-50

[CAN]

TROUBLE DIAGNOSIS

Revision: 2006 July

2007 Murano

CAN Communication Signal Chart

NKS004L8

Refer to 

LAN-15, "How to Use CAN Communication Signal Chart"

  for how to use CAN communication signal

chart.

TYPE 1/TYPE 2

NOTE:
Refer to 

LAN-41, "Abbreviation List"

  for the abbreviations of the connecting units. 

T: Transmit

R: Receive

Signal name/Connecting unit

ECM

BCM

I-

KEY

*1

TCM

DISP

M&

A

AD

P

*2

ABS

IPDM-

E

A/C compressor request signal

T

R

Accelerator pedal position signal 

T

R

ASCD CRUISE lamp signal

T

R

ASCD SET lamp 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

Engine speed signal

T

R

R

R

R

Engine status signal

T

R

Fuel consumption monitor signal

T

R

R

T

Malfunction indicator lamp signal

T

R

Wide open throttle position signal

T

R 

Door lock/unlock request signal

R

T

Hazard request signal

R

T

Hazard warning lamp request signal

R

T

Ignition knob switch signal

R

T

Panic alarm request signal

R

T

Power window open request signal

R

T

CVT position indicator signal

T

R

CVT self-diagnosis signal

R

T

Input shaft revolution signal

R

T

Manual mode indicator signal

T

R

Output shaft revolution signal

R

T

P range signal

T

R

Second position indicator signal

T

R

A/C switch signal

R

T

Blower fan motor switch signal

R

T

Buzzer output signal

T

R

Door lock/unlock status signal

T

R

Door switch signal

T

R

R

R

R

R

Front fog lights request signal

T

R

Front wiper request signal

T

R

High beam request signal

T

R

R

Horn chirp signal

T

R

TROUBLE DIAGNOSIS

LAN-51

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Revision: 2006 July

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●

*1: Models with Intelligent Key system

●

*2: Models with automatic drive positioner

Ignition switch signal

T

R

R

Key fob door unlock signal

T

R

Key fob ID signal

T

R

Key switch signal

T

R

Low beam request signal

T

R

Oil pressure switch signal

T

R

R

T

Position lights request signal

T

R

R

Rear window defogger switch signal

T

R

Sleep request 1 signal

T

R

Sleep request 2 signal

T

R

System setting signal

R

T

R

T

R

T

Theft warning horn request signal

T

R

Tire pressure data signal

T

*1

R

*1

Tire pressure signal

T

*1

R

*1

Turn indicator signal

T

R

A/C switch/indicator signal

T

R

R

T

Distance to empty signal

R

T

Fuel level low warning signal

R

T

Fuel level sensor signal

R

T

Manual mode shift down signal

R

T

Manual mode shift up signal

R

T

Manual mode signal

R

T

Not manual mode signal

R

T

Parking brake switch signal

R

T

Seat belt buckle switch signal

R

T

Second position signal 

R

T

Stop lamp switch signal

R

T

Turn LED burnout status signal

R

T

Vehicle speed signal

R

R

T

R

R

R

R

T

R

ABS operation signal

R

T

ABS warning lamp signal

R

T

Brake warning lamp signal

R

T

Front wiper stop position signal

R

T

High beam status signal

R

T

Low beam status signal

R

T

Rear window defogger control signal

R

R

T

Signal name/Connecting unit

ECM

BCM

I-

KEY

*1

TCM

DISP

M&

A

ADP

*2

ABS

IPDM

-E

LAN-52

[CAN]

TROUBLE DIAGNOSIS

Revision: 2006 July

2007 Murano

NOTE:
CAN data of the air bag diagnosis sensor unit is not used by usual service work, thus it is omitted. 

TYPE 3

NOTE:
Refer to 

LAN-41, "Abbreviation List"

  for the abbreviations of the connecting units. 

T: Transmit

R: Receive

Signal name/Connecting unit

ECM

BCM

I-

KE

Y

TCM

DISP

M&

A

ST

RG

ADP

ABS

IPDM

-E

A/C compressor request signal

T

R

Accelerator pedal position signal 

T

R

R

ASCD CRUISE lamp signal

T

R

ASCD SET lamp 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

Engine speed signal

T

R

R

R

R

R

Engine status signal

T

R

Fuel consumption monitor signal

T

R

R

T

Malfunction indicator lamp signal

T

R

Wide open throttle position signal

T

R 

Door lock/unlock request signal

R

T

Hazard request signal

R

T

Hazard warning lamp request signal

R

T

Ignition knob switch signal

R

T

Panic alarm request signal

R

T

Power window open request signal

R

T

CVT position indicator signal

T

R

R

CVT self-diagnosis signal

R

T

Input shaft revolution signal

R

T

Manual mode indicator signal

T

R

Output shaft revolution signal

R

T

P range signal

T

R

R

Second position indicator signal

T

R

R

A/C switch signal

R

T

Blower fan motor switch signal

R

T

Buzzer output signal

T

R

Door lock/unlock status signal

T

R

Door switch signal

T

R

R

R

R

R

Front fog lights request signal

T

R

Front wiper request signal

T

R

High beam request signal

T

R

R

Horn chirp signal

T

R

Ignition switch signal

T

R

R

TROUBLE DIAGNOSIS

LAN-53

[CAN]

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Revision: 2006 July

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Key fob door unlock signal

T

R

Key fob ID signal

T

R

Key switch signal

T

R

Low beam request signal

T

R

Oil pressure switch signal

T

R

R

T

Position lights request signal

T

R

R

Rear window defogger switch signal

T

R

Sleep request 1 signal

T

R

Sleep request 2 signal

T

R

System setting signal

R

T

R

T

R

T

Theft warning horn request signal

T

R

Tire pressure data signal

T

R

Tire pressure signal

T

R

Turn indicator signal

T

R

A/C switch/indicator signal

T

R

R

T

Distance to empty signal

R

T

Fuel level low warning signal

R

T

Fuel level sensor signal

R

T

Seat belt buckle switch signal

R

T

Manual mode shift down signal

R

T

Manual mode shift up signal

R

T

Manual mode signal

R

T

Not manual mode signal

R

T

Parking brake switch signal

R

T

Second position signal 

R

T

Stop lamp switch signal

R

T

Turn LED burnout status signal

R

T

Vehicle speed signal

R

R

T

R

R

R

R

T

R

Steering angle sensor signal

T

R

ABS warning lamp signal

R

T

Brake warning lamp signal

R

T

SLIP indicator lamp signal

R

T

VDC OFF indicator lamp signal

R

T

VDC operation signal

R

T

Front wiper stop position signal

R

T

High beam status signal

R

T

Low beam status signal

R

T

Rear window defogger control signal

R

R

T

Signal name/Connecting unit

ECM

BCM

I-

K

E

Y

TCM

DISP

M&

A

ST

R

G

ADP

ABS

IPDM

-E

LAN-54

[CAN]

TROUBLE DIAGNOSIS

Revision: 2006 July

2007 Murano

NOTE:
CAN data of the air bag diagnosis sensor unit is not used by usual service work, thus it is omitted. 

TYPE 4/TYPE 5

NOTE:
Refer to 

LAN-41, "Abbreviation List"

  for the abbreviations of the connecting units. 

T: Transmit   R: Receive

Signal name/Connecting unit

ECM

BCM

I-

KEY

*1

TCM

DISP

M&

A

ADP

*2

4W

D

ABS

IPDM

-E

A/C compressor request signal

T

R

Accelerator pedal position signal 

T

R

R

ASCD CRUISE lamp signal

T

R

ASCD SET lamp 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

Engine speed signal

T

R

R

R

R

R

Engine status signal

T

R

Fuel consumption monitor signal

T

R

R

T

Malfunction indicator lamp signal

T

R

Wide open throttle position signal

T

R 

Door lock/unlock request signal

R

T

Hazard request signal

R

T

Hazard warning lamp request signal

R

T

Ignition knob switch signal

R

T

Panic alarm request signal

R

T

Power window open request signal

R

T

CVT position indicator signal

T

R

CVT self-diagnosis signal

R

T

Input shaft revolution signal

R

T

Manual mode indicator signal

T

R

Output shaft revolution signal

R

T

P range signal

T

R

Second position indicator signal

T

R

A/C switch signal

R

T

Blower fan motor switch signal

R

T

Buzzer output signal

T

R

Door lock/unlock status signal

T

R

Door switch signal

T

R

R

R

R

R

Front fog lights request signal

T

R

Front wiper request signal

T

R

High beam request signal

T

R

R

Horn chirp signal

T

R

Ignition switch signal

T

 

R

R

TROUBLE DIAGNOSIS

LAN-55

[CAN]

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LAN

Revision: 2006 July

2007 Murano

Key fob door unlock signal

T

R

Key fob ID signal

T

R

Key switch signal

T

 

R

Low beam request signal

T

R

Oil pressure switch signal

T

R

R

T

Position lights request signal

T

R

R

Rear window defogger switch signal

T

R

Sleep request 1 signal

T

R

Sleep request 2 signal

T

R

System setting signal

R

T

R

T

R

T

Theft warning horn request signal

T

R

Tire pressure data signal

T

*1

R

*1

Tire pressure signal

T

*1

R

*1

Turn indicator signal

T

R

A/C switch/indicator signal

T

R

R

T

AWD lock switch signal

T

R

Distance to empty signal

R

T

Fuel level low warning signal

R

T

Fuel level sensor signal

R

T

Manual mode shift down signal

R

T

Manual mode shift up signal

R

T

Manual mode signal

R

T

Not manual mode signal

R

T

Parking brake switch signal

R

T

R

Seat belt buckle switch signal

R

T

Second position signal 

R

T

Stop lamp switch signal

R

T

R

T

Turn LED burnout status signal 

R

T

Vehicle speed signal

R

R

R

T

R

R

R

R

T

R

AWD lock indicator lamp signal

R

T

AWD warning lamp signal

R

T

ABS operation signal

R

T

ABS warning lamp signal

R

T

Brake warning lamp signal

R

T

Front wiper stop position signal

R

T

High beam status signal

R

T

Signal name/Connecting unit

ECM

BCM

I-

KEY

*1

TCM

DISP

M&

A

ADP

*2

4W

D

ABS

IPDM

-E

LAN-56

[CAN]

TROUBLE DIAGNOSIS

Revision: 2006 July

2007 Murano

●

*1: Models with Intelligent Key system

●

*2: Models with automatic drive positioner

NOTE:
CAN data of the air bag diagnosis sensor unit is not used by usual service work, thus it is omitted. 

TYPE 6

NOTE:
Refer to 

LAN-41, "Abbreviation List"

  for the abbreviations of the connecting units. 

T: Transmit   R: Receive

Low beam status signal

R

T

Rear window defogger control signal

R

R

T

Signal name/Connecting unit

ECM

BCM

I-

KEY

*1

TCM

DISP

M&

A

ADP

*2

4W

D

ABS

IPDM

-E

Signal name/Connecting unit

ECM

BCM

I-

KEY

TCM

DISP

M&

A

STRG

ADP

4W

D

ABS

IPDM-

E

A/C compressor request signal

T

R

Accelerator pedal position signal 

T

R

R

R

ASCD CRUISE lamp signal

T

R

ASCD SET lamp 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

Engine speed signal

T

R

R

R

R

R

R

Engine status signal

T

R

Fuel consumption monitor signal

T

R

R

T

Malfunction indicator lamp signal

T

R

Wide open throttle position signal

T

R 

Door lock/unlock request signal

R

T

Hazard request signal

R

T

Hazard warning lamp request signal

R

T

Ignition knob switch signal

R

T

Panic alarm request signal

R

T

Power window open request signal

R

T

CVT position indicator signal

T

R

R

CVT self-diagnosis signal

R

T

Input shaft revolution signal

R

T

Manual mode indicator signal

T

R

Output shaft revolution signal

R

T

P range signal

T

R

R

Second position indicator signal

T

R

R

A/C switch signal

R

T

Blower fan motor switch signal

R

T

Buzzer output signal

T

R

TROUBLE DIAGNOSIS

LAN-57

[CAN]

C

D

E

F

G

H

I

J

L

M

A

B

LAN

Revision: 2006 July

2007 Murano

Door lock/unlock status signal

T

R

Door switch signal

T

R

R

R

R

R

Front fog lights request signal

T

R

Front wiper request signal

T

R

High beam request signal

T

R

R

Horn chirp signal

T

R

Ignition switch signal

T

R

R

Key fob door unlock signal

T

R

Key fob ID signal

T

R

Key switch signal

T

R

Low beam request signal

T

R

Oil pressure switch signal

T

R

R

T

Position lights request signal

T

R

R

Rear window defogger switch signal

T

R

Sleep request 1 signal

T

R

Sleep request 2 signal

T

R

System setting signal

R

T

R

T

R

T

Theft warning horn request signal

T

R

Tire pressure data signal

T

R

Tire pressure signal

T

R

Turn indicator signal

T

R

A/C switch/indicator signal

T

R

R

T

AWD lock switch signal

T

R

Distance to empty signal

R

T

Fuel level low warning signal

R

T

Fuel level sensor signal

R

T

Manual mode shift down signal

R

T

Manual mode shift up signal

R

T

Manual mode signal

R

T

Not manual mode signal

R

T

Parking brake switch signal

R

T

R

Seat belt buckle switch signal

R

T

Second position signal 

R

T

Stop lamp switch signal

R

T

R

T

Turn LED burnout status signal 

R

T

Vehicle speed signal

R

R

R

T

R

R

R

R

T

R

Steering angle sensor signal

T

R

AWD lock indicator lamp signal

R

T

Signal name/Connecting unit

ECM

BCM

I-

K

E

Y

TCM

DISP

M&

A

ST

R

G

ADP

4W

D

ABS

IPDM

-E

LAN-58

[CAN]

TROUBLE DIAGNOSIS

Revision: 2006 July

2007 Murano

NOTE:
CAN data of the air bag diagnosis sensor unit is not used by usual service work, thus it is omitted. 

AWD warning lamp signal

R

T

ABS warning lamp signal

R

T

Brake warning lamp signal

R

T

SLIP indicator lamp signal

R

T

VDC OFF indicator lamp signal

R

T

VDC operation signal

R

T

Front wiper stop position signal

R

T

High beam status signal

R

T

Low beam status signal

R

T

Rear window defogger control signal

R

R

T

Signal name/Connecting unit

ECM

BCM

I-

K

E

Y

TCM

DISP

M&

A

ST

R

G

ADP

4W

D

ABS

IPDM

-E

TROUBLE DIAGNOSIS

LAN-59

[CAN]

C

D

E

F

G

H

I

J

L

M

A

B

LAN

Revision: 2006 July

2007 Murano

Schematic

NKS004L9

TKWM4969E

LAN-60

[CAN]

TROUBLE DIAGNOSIS

Revision: 2006 July

2007 Murano

Wiring Diagram — CAN —

NKS004LA

TKWB0822E