Nissan Murano Z50 (2007 year). Manual - part 18

POWER DOOR LOCK SYSTEM

BL-33

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Revision: 2006 July

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TIWB0770E

BL-34

POWER DOOR LOCK SYSTEM

Revision: 2006 July

2007 Murano

Schematic / Without Intelligent Key

NIS00167

TIWB0138E

POWER DOOR LOCK SYSTEM

BL-35

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Revision: 2006 July

2007 Murano

Wiring Diagram -D/LOCK- / Without Intelligent Key

NIS00168

TIWB0771E

BL-36

POWER DOOR LOCK SYSTEM

Revision: 2006 July

2007 Murano

TIWB0140E

POWER DOOR LOCK SYSTEM

BL-37

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Revision: 2006 July

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TIWB0141E

BL-38

POWER DOOR LOCK SYSTEM

Revision: 2006 July

2007 Murano

TIWB0772E

POWER DOOR LOCK SYSTEM

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Terminals and Reference Value for BCM

NIS00169

*

1

  : With Intelligent Key

*

2

  : In the state that room lamp switch is in "DOOR" position.

Termi-

nal 

Wire 

color

Item

Signal 

input/out-

put

Condition

Voltage [V]

(Approx.)

1

R/Y

Key ring illumination out-
put signal 

Output

Key ring illumination is lighting.

Battery voltage

Key ring illumination is being turned 
off.

0

12

R

R/G*

1

Front door switch
(Passenger side)

Input

ON (Door is opened) 

→

 OFF (Door is 

closed) 

0 

→

 Battery voltage

13

R/Y

R/W*

1

Rear door switch RH

Input

ON (Door is opened) 

→

 OFF (Door is 

closed)

0 

→

 Battery voltage

22

BR/W

Power window serial link

Input/Out-

put

Ignition switch (ON or power window 
timer operating)

37

B/R

Key switch 

Input

Key switch ON (key is inserted in igni-
tion key cylinder)

Battery voltage 

Key switch OFF (key is removed from 
ignition key cylinder)

0

39

L

CAN-H

Input/Out-

put

—

—

40

Y

CAN-L

Input/Out-

put

—

—

41

P

Battery saver output sig-
nal

Output

30 minutes after ignition switch is 
turned to OFF

0

Ignition switch is in ON position

Battery voltage

42

GR

Power source
(Fuse)

Input

—

Battery voltage

44

G/W

Driver door lock actuator 
and fuel lid opener actu-
ator (Unlock)

Output

Door lock and unlock switch
(Free 

→

 Unlock)

0 

→

 Battery voltage 

→

 0

48

R

Room lamp output sig-
nal

Output

Room lamp is lighting.*

2

0

Room lamp is being turned off.*

2

Battery voltage

50

V

All door lock actuators 
(lock)

Output

Door lock and unlock switch
(Free 

→

 Lock)

0 

→

 Battery voltage 

→

 0

51

G/Y

Passenger and rear 
doors lock actuator 
(unlock)

Output

Door lock and unlock switch
(Free 

→

 Unlock)

0 

→

 Battery voltage 

→

 0

52

B

Ground

—

—

0

55

W/B

Power source
 (Fusible link)

Input

—

Battery voltage

58

V/W

Back door switch

Input

ON (Back door is opened) 

→

 

OFF (Back door is closed) 

0 

→

 Battery voltage

62

SB

Front door switch
(Driver side)

Input

ON (Door is opened) 

→

 OFF (Door is 

closed) 

0 

→

 Battery voltage

63

R/W

Rear door switch LH

Input

ON (Door is opened) 

→

 OFF (Door is 

closed)

0 

→

 Battery voltage

PIIA2344J

BL-40

POWER DOOR LOCK SYSTEM

Revision: 2006 July

2007 Murano

CONSULT-II Function (BCM)

NIS0016A

CONSULT-II and display each diagnostic item using the diagnostic test modes shown following.

*: Refer to 

BCS-13, "CAN Communication Inspection Using CONSULT-II (Self-Diagnosis)"

 .

CONSULT-II START PROCEDURE

Refer to

GI-37, "CONSULT-II Start Procedure"

CONSULT-II APPLICATION ITEMS
Work Support

Data Monitor

Active Test

BCM diagnosis part

Inspection item, self-diagnosis 

mode

Content

BCM

SELF-DIAG RESULTS

Carries out the self-diagnosis.

CAN DIAG SUPPORT MNTR

Displays CAN communication system diagnosis, disabled transmission 
status, and communication status of each unit communicated with 
BCM

DATA MONITOR

Displays the input data to BCM on real-time basis.

DOOR LOCK

WORK SUPPORT

Changes the setting for each function.

DATA MONITOR

Displays the input data of BCM in real time.

ACTIVE TEST

Give a drive signals to load to check the operation.

Work item 

Description

DOOR LOCK-UNLOCK SET

Select unlock mode can be changed in this mode. Selects ON-OFF of select unlock mode.

ANTI-LOCK OUT SET

Key reminder door mode can be changed in this mode. Selects ON-OFF of key reminder door 
mode.

Monitor item

Content

IGN ON SW

Indicates [ON/OFF] condition of ignition switch in ON position. 

KEY ON SW

Indicates [ON/OFF] condition of key switch.

CDL LOCK SW

Indicates [ON/OFF] condition of lock signal from door lock and unlock switch.

CDL UNLOCK SW

Indicates [ON/OFF] condition of unlock signal from door lock and unlock switch.

DOOR SW-DR

Indicates [ON/OFF] condition of front door switch driver side.

DOOR SW-AS

Indicates [ON/OFF] condition of front door switch passenger side.

DOOR SW-RR

Indicates [ON/OFF] condition of rear door switch RH.

DOOR SW-RL

Indicates [ON/OFF] condition of rear door switch LH.

BACK DOOR SW

Indicates [ON/OFF] condition of back door switch.

KEY CYL LK-SW

Indicates [ON/OFF] condition of lock signal from key cylinder.

KEY CYL UN-SW

Indicates [ON/OFF] condition of unlock signal from key cylinder.

KEYLESS LOCK

Indicates [ON/OFF] condition of lock signal from key fob.

KEYLESS UNLOCK

Indicates [ON/OFF] condition of unlock signal from key fob.

Test item in “DOOR LOCK”

Content

ALL LOCK

This test is able to check all door lock actuators lock operation.
These actuators lock when “ALL LOCK” on CONSULT-II screen is touched.

ALL UNLOCK

This test is able to check all door lock actuators unlock operation.
These actuators unlock when “ALL UNLOCK” on CONSULT-II screen is touched.

DR UNLOCK

This test is able to check door lock actuator (driver side) lock/unlock operation.
This actuator unlock when “DR UNLOCK” on CONSULT-II screen is touched.

OTHER UNLOCK

This test is able to check all door lock actuators (except driver side) unlock operation.
These actuators unlock when “OTHER UNLOCK” on CONSULT-II screen is touched.

POWER DOOR LOCK SYSTEM

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Revision: 2006 July

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Work Flow

NIS0016B

1.

Check the symptom and customer's requests.

2.

Understand the outline of system. Refer to 

BL-24, "System Description"

 .

3.

According to the trouble diagnosis chart, repair or replace the cause of the malfunction. Refer to 

BL-41,

"Trouble Diagnoses Chart by Symptom"

 .

4.

Does power door lock system operate normally?
YES: GO TO 5.
NO: GO TO 3.

5.

INSPECTION END.

Trouble Diagnoses Chart by Symptom

NIS0016C

NOTE:
Always check the “Work Flow” before troubleshooting. Refer to 

BL-41, "Work Flow"

 .

*

1

 : Driver side

*

2

 : Passenger side, rear LH, RH

*

3

 : With Intelligent Key

Symptom

Diagnoses service procedure

Refer to page

Power door lock does not operate with door lock and 
unlock switch on power window main switch or front 
power window switch (passenger side).

1. Check power supply and ground circuit

BL-42

2. Check door lock and unlock switch.

BL-49

3. Replace BCM.

BCS-14

Specific door lock actuator does not operate.

1. Check door lock actuator.

BL-51

*

1

BL-52

*

2

2. Replace BCM.

BCS-14

Power door lock does not operate with front door key cyl-
inder operation, but operates with door lock and unlock 
switch.

1. Check front door key cylinder switch.

BL-53
BL-54

2. Replace power window main switch.

–

Fuel lid opener actuator does not operate at all.
(All door lock actuators are activate properly.)

1. Check fuel lid lock actuator circuit. 

BL-55

2. Replace BCM.

BCS-14

Key reminder door system does not operate properly.

1. Check key reminder door mode.*
*: Key reminder door mode can be changed. 
First check key reminder door mode.

2. Check power supply and ground circuit

BL-42

3. Check key switch.

BL-47

4. Check ignition knob switch.*

3

5. Check door switch. 

BL-43

6. Replace BCM.

BCS-14

BL-42

POWER DOOR LOCK SYSTEM

Revision: 2006 July

2007 Murano

Power Supply and Ground Circuit Check

NIS0016D

1. 

FUSE INSPECTION

Check the following.

●

50A fusible link (letter F , located in the fuse and fusible link box)

●

10A fuse [No.18 located in the fuse block (J/B)]

NOTE:
Refer to 

BL-23, "Component Parts and Harness Connector Location"

 .

OK or NG

OK

>> GO TO 2.

NG

>> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse, refer to 

PG-

3, "POWER SUPPLY ROUTING CIRCUIT"

 .

2. 

CHECK POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect BCM connector.

3.

Check voltage between BCM connector M35 terminals 42, 55
and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Repair or replace BCM power supply circuit.

3. 

CHECK GROUND CIRCUIT

Check continuity between BCM connector M35 terminal 52 and
ground.

OK or NG

OK

>> BCM power supply and ground circuit is OK.

NG

>> Repair or replace BCM ground circuit.

42 (GR) – Ground

: Battery voltage.

55 (W/B) – Ground

: Battery voltage.

PIIA6374E

52 (B) – Ground

: Continuity should exist.

PIIA9326E

POWER DOOR LOCK SYSTEM

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Revision: 2006 July

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Check Door Switch

NIS0016E

CHECK DOOR SWITCH (EXCEPT BACK DOOR SWITCH)

1. 

CHECK DOOR SWITCH INPUT SIGNAL

 With CONSULT-II

Check door switches (“DOOR SW-DR”, “DOOR SW-AS”, “DOOR SW-RL” and “DOOR SW-RR”) in “DATA
MONITOR” mode with CONSULT-II.

Without CONSULT-II

Check voltage between BCM and ground.

OK or NG

OK

>> Door switch circuit is OK.

NG

>> GO TO 2

Monitor item

Condition

DOOR SW-DR

Door is closed

↓

Door is opened

OFF

↓

ON

DOOR SW-AS

DOOR SW-RL

DOOR SW-RR

PIIA6469E

Door switch

Connector

Terminals

(wire color)

Condition

Voltage [V]

(Approx.)

(+)

(–)

Driver side

M36

62 (SB)

Ground

Door close

↓

Door open

Battery voltage

↓

0

Rear LH

63 (R/W)

Passenger side

M34

12 (R or 

R/G)

Rear RH

13 (R/Y 
or R/W)

PIIA7003E

BL-44

POWER DOOR LOCK SYSTEM

Revision: 2006 July

2007 Murano

2. 

CHECK DOOR SWITCH

1.

Turn ignition switch OFF.

2.

Disconnect door switch and unified BCM connectors.

3.

Check continuity between BCM and door switch.

4.

Check continuity between BCM and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Repair or replace harness.

3. 

CHECK DOOR SWITCH

Check continuity between door switch terminals 4 and 5.

OK or NG

OK

>> GO TO 4.

NG

>> Replace door switch.

Door switch

Connec-

tor

Terminal

(wire color)

Connec-

tor

Terminal

(wire color)

Continuity

Driver side

M36

62 (SB)

D10

4 (SB)

Yes

Rear LH

63 (R/W)

D56

4 (V)

Passenger side

M34

12 (R or R/

G)

D38

4 (R/G)

Rear RH

13 (R/Y or 

R/W)

D76

4 (R/W)

Door switch

Connector

Terminal

(wire color)

Continuity

Driver side

M36

62 (SB)

Ground

No

Rear LH

63 (R/W)

Passenger side

M34

12 (R or R/G)

Rear RH

13 (R/Y or R/

W)

PIIB0888E

Terminal

Door switch condition

Continuity

4

5

Open position

Yes

Closed position

No

PIIA4314E

POWER DOOR LOCK SYSTEM

BL-45

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Revision: 2006 July

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4. 

CHECK DOOR SWITCH GROUND HARNESS

Check continuity between door switch connectors and ground.

OK or NG

OK

>> Check harness connector.

NG

>> Repair or replace harness.

CHECK BACK DOOR SWITCH

1. 

CHECK BACK DOOR SWITCH INPUT SIGNAL

 With CONSULT-II

Check back door switch (“BACK DOOR SW”) in “DATA MONITOR” mode with CONSULT-II.

●

When back door is open

●

When back door is closed

Without CONSULT-II

Check voltage between BCM connector and ground.

*. When interior lamp battery saver control is OFF: Approx. 5V.

OK or NG

OK

>> Back door switch circuit is OK.

NG

>> GO TO 2.

Door switch

Connector

Terminal

Continuity

Driver side

D10

5 (B)

Ground

Yes

Passenger side

D38

Rear RH

D76

Rear LH

D56

5 (G/Y)

PIIA4313E

BACK DOOR SW

: ON

BACK DOOR SW

: OFF

PIIA2488E

Item

Con-

nector

Terminals

(Wire color)

Condition

Voltage [V]

(Approx.)

(+)

(–)

Back door switch

M36

58 (V/W)

Ground

OPEN

0

CLOSE

Battery voltage*

PIIB0889E

BL-46

POWER DOOR LOCK SYSTEM

Revision: 2006 July

2007 Murano

2. 

CHECK BACK DOOR SWITCH HARNESS

1.

Turn ignition switch OFF.

2.

Disconnect BCM and back door lock assembly connectors.

3.

Check continuity between BCM connector M36 terminal 58 and
back door lock assembly connector D111 terminal 3.

4.

Check continuity between BCM connector M36 terminal 58 and
ground.

OK or NG

OK

>> GO TO 3.

NG

>> Repair or replace harness.

3. 

CHECK BACK DOOR SWITCH

Check continuity between back door lock assembly terminals 3 and 4.

OK or NG

OK

>> GO TO 4.

NG

>> Replace back door switch.

4. 

CHECK BACK DOOR SWITCH GROUND HARNESS

Check continuity between back door lock assembly connector D111 terminal 4 and ground.

OK or NG

OK

>> Check harness connection.

NG

>> Repair or replace harness.

58 (V/W) – 3 (V/W)

: Continuity should exist.

58 (V/W) – Ground

: Continuity should not exist.

PIIB4859E

Terminal

Back door condition

Continuity

3

4

Open position

Yes

Closed position

No

PIIB4860E

4 (B) - Ground

: Continuity should exist.

PIIB4861E

POWER DOOR LOCK SYSTEM

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Revision: 2006 July

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Check Key Switch

NIS0016F

1. 

CHECK KEY SWITCH INPUT SIGNAL

 With CONSULT-II

Check ignition key switch “IGN ON SW” in “DATA MONITOR” mode with CONSULT-II.

●

When key is inserted in ignition key cylinder

●

When key is removed from ignition key cylinder

 Without CONSULT-II

Check voltage between BCM connector and ground.

OK or NG

OK

>> Key switch circuit is OK.

NG

>> GO TO 2. (with Intelligent Key system)

NG

>> GO TO 3. (without Intelligent Key system)

2. 

CHECK KEY SWITCH (WITH INTELLIGENT KEY SYSTEM)

1.

Turn ignition switch OFF.

2.

Disconnect key switch and ignition knob switch connector.

3.

Check continuity between key switch and ignition knob switch connector M118 terminals 3 and 4.

OK or NG

OK

>> Check the following

●

10A fuse [No.22, located in the fuse block (J/B)]

●

Harness for open or short between key switch and
ignition knob switch and fuse.

●

Harness for open short between BCM and key switch
and ignition knob switch.

NG

>> Replace key switch and ignition knob switch.

KEY ON SW

: ON

KEY ON SW

: OFF

PIIA6470E

Connector

Terminal

(Wire color)

Condition

Voltage [V]

(Approx.)

(+)

(–)

M34

37 (B/R)

Ground

Key is removed from ignition 

key cylinder.

0

Key is inserted in ignition 

key cylinder.

Battery voltage

PIIA6471E

Terminal

Condition

Continuity

3

4

Key is removed from ignition key cylinder.

No

Key is inserted in ignition key cylinder.

Yes

PIIA6140E

BL-48

POWER DOOR LOCK SYSTEM

Revision: 2006 July

2007 Murano

3. 

CHECK KEY SWITCH (WITHOUT INTELLIGENT KEY SYSTEM)

1.

Turn ignition switch OFF.

2.

Disconnect key switch connector.

3.

Check continuity between key switch connector M28 terminals 3 and 4.

OK or NG

OK

>> Check the following

●

10A fuse [No.21, located in the fuse block (J/B)]

●

Harness for open or short between key switch and
fuse.

●

Harness for open short between BCM and key switch.

NG

>> Replace key switch.

Terminal

Condition

Continuity

3

4

Key is removed from ignition key cylinder.

No

Key is inserted in ignition key cylinder.

Yes

PIIA3044E