Nissan Murano Z50 (2005 year). Manual - part 223

TROUBLE DIAGNOSIS FOR SYMPTOMS

TF-41

C

E

F

G

H

I

J

K

L

M

A

B

TF

Revision: 2005 August

2005 Murano

3. 

CHECK OUTPUT SIGNAL WITH UNIFIED METER AND A/C AMP.

 With CONSULT-II

1.

Turn ignition switch “ON”. (Do not start engine.)

2.

Select “DATA MONITOR” mode for “METER A/C AMP” with CONSULT-II.

3.

Start the engine, and then make sure that “4WD W/L” display
turns from “ON” to “OFF” after several seconds.

OK or NG

OK >> GO 

TO 

4.

NG

>> Perform trouble diagnosis for combination meter. Refer

to 

DI-15, "Trouble Diagnosis"

 .

4. 

SYMPTOM CHECK

Check again.

OK or NG

OK

>> INSPECTION END

NG

>> Replace unified meter control unit assembly. Refer to 

DI-26, "Disassembly and Assembly of Com-

bination Meter"

 .

AWD Warning Lamp Does Not Turn OFF Several Seconds after Engine Started

ADS000VS

DIAGNOSTIC PROCEDURE

1. 

CHECK SELF-DIAGNOSTIC RESULTS

Perform self-diagnosis. Refer to 

TF-25, "SELF-DIAG RESULT MODE"

 .

Is any malfunction detected by self-diagnosis?

YES

>> Check the malfunctioning system.

NO

>> GO TO 2.

Monitor item

Condition

Display value

4WD W/L

Ignition switch ON

ON

Start engine (after several seconds)

OFF

SDIA2065E

TF-42

TROUBLE DIAGNOSIS FOR SYMPTOMS

Revision: 2005 August

2005 Murano

2. 

CHECK AWD CONTROL UNIT POWER SUPPLY CIRCUIT

1.

Turn ignition switch “OFF”.

2.

Disconnect AWD control unit harness connector.

3.

Turn ignition switch “ON”. (Do not start engine.)

4.

Check voltage between AWD control unit harness connector ter-
minals and ground.

5.

Turn ignition switch “OFF”.

6.

Check voltage between AWD control unit harness connector ter-
minals and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Check the following. If any item is damaged, repair or 

replace damaged parts.

●

10A fuse [No. 37, located in the fuse and fusible link block or No. 82, located in the IPDM E/R]

●

Harness for short or open between battery and AWD control unit harness connector terminal 9

●

Harness for short or open between ignition switch and AWD control unit harness connector ter-
minal 7

●

Ignition switch. Refer to 

PG-3, "POWER SUPPLY ROUTING CIRCUIT"

 .

3. 

CHECK AWD CONTROL UNIT GROUND CIRCUIT

1.

Turn ignition switch “OFF”.

2.

Disconnect AWD control unit harness connector.

3.

Check continuity between AWD control unit harness connector
E111 terminals 10 (B), 11 (B) and ground.

Also check harness for short to ground and short to power.

OK or NG

OK

>> GO TO 4.

NG

>> Repair open circuit or short to ground or short to power

in harness or connectors.

Connector

Terminal (Wire color)

Voltage (Approx.)

E111

7 (GR) - Ground

Battery voltage

9 (G/R) - Ground

SDIA2319E

Connector

Terminal (Wire color)

Voltage (Approx.)

E111

7 (GR) - Ground

0V

9 (G/R) - Ground

Battery voltage

SDIA2320E

Continuity should exist.

SDIA1883E

TROUBLE DIAGNOSIS FOR SYMPTOMS

TF-43

C

E

F

G

H

I

J

K

L

M

A

B

TF

Revision: 2005 August

2005 Murano

4. 

CHECK AWD CONTROL UNIT

Check AWD control unit input/output signal. Refer to 

TF-23, "AWD Control Unit Input/Output Signal Reference

Values"

 .

OK or NG

OK

>> GO TO 5.

NG

>> Check AWD control unit pin terminals for damage or loose connection with harness connector. If

any item is damaged, repair or replace damaged parts.

5. 

CHECK OUTPUT SIGNAL WITH UNIFIED METER AND A/C AMP.

 With CONSULT-II

1.

Turn ignition switch “ON”. (Do not start engine.)

2.

Select “DATA MONITOR” mode for “METER A/C AMP” with CONSULT-II.

3.

Start the engine, and then make sure that “4WD W/L” display
turns from “ON” to “OFF” after several seconds.

OK or NG

OK >> GO 

TO 

6.

NG

>> Perform trouble diagnosis for combination meter. Refer

to 

DI-15, "Trouble Diagnosis"

 .

6. 

SYMPTOM CHECK

Check again.

OK or NG

OK

>> INSPECTION END

NG

>> Replace unified meter control unit assembly. Refer to 

DI-26, "Disassembly and Assembly of Com-

bination Meter"

 .

AWD Mode Cannot Be Switched after Engine Is Started

ADS000VT

DIAGNOSTIC PROCEDURE

1. 

CHECK AWD WARNING LAMP

Confirm AWD warning lamp.
Does AWD warning lamp turn on?

YES

>> Go to 

TF-41, "AWD Warning Lamp Does Not Turn OFF Several Seconds after Engine Started"

 .

NO

>> GO TO 2.

2. 

CHECK SYSTEM FOR AWD LOCK SWITCH

Perform trouble diagnosis for AWD lock switch system. Refer to 

TF-34, "AWD Lock Switch"

 .

OK or NG

OK

>> GO TO 3.

NG

>> Repair or replace damaged parts.

Monitor item

Condition

Display value

4WD W/L

Ignition switch ON

ON

Start engine (after several seconds)

OFF

SDIA2065E

TF-44

TROUBLE DIAGNOSIS FOR SYMPTOMS

Revision: 2005 August

2005 Murano

3. 

CHECK CONTROL STATUS OF AWD

 With CONSULT-II

1.

Start engine.

2.

Select “DATA MONITOR” mode for “ALL MODE AWD/4WD” with CONSULT-II.

3.

Check AWD LOCK indicator lamp ON when operating AWD lock
switch, and then readout monitor “4WD MODE MON”. 

OK or NG

OK >> GO 

TO 

4.

NG

>> GO TO 5.

4. 

CHECK OUTPUT SIGNAL WITH UNIFIED METER AND A/C AMP.

 With CONSULT-II

1.

Start engine.

2.

Select “DATA MONITOR” mode for “METER A/C AMP” with CONSULT-II.

3.

Operate AWD lock switch and read out monitor “4WD LOCK
IND”.

OK or NG

OK >> GO 

TO 

5.

NG

>> Perform trouble diagnosis for combination meter. Refer

to 

DI-15, "Trouble Diagnosis"

 .

5. 

CHECK AWD CONTROL UNIT

Check AWD control unit input/output signal. Refer to 

TF-23, "AWD Control Unit Input/Output Signal Reference

Values"

 .

OK or NG

OK

>> GO TO 6.

NG

>> Check AWD control unit pin terminals for damage or loose connection with harness connector. If

any items are damaged, repair or replace damaged parts.

6. 

SYMPTOM CHECK

Check again.

OK or NG

OK

>> INSPECTION END

NG

>> Replace unified meter control unit assembly. Refer to 

DI-26, "Disassembly and Assembly of Com-

bination Meter"

 .

Monitor item

Condition

Display value

4WD MODE MON

AWD LOCK indicator 
lamp

OFF

AUTO

ON

LOCK

SDIA2268E

Monitor item

Condition

Display value

4WD LOCK IND

AWD lock switch

OFF

OFF

ON

ON

SDIA2064E

TROUBLE DIAGNOSIS FOR SYMPTOMS

TF-45

C

E

F

G

H

I

J

K

L

M

A

B

TF

Revision: 2005 August

2005 Murano

Heavy Tight-corner Braking Symptom Occurs When The Vehicle Is Driven in 
AUTO Mode and The Steering Wheel Is Turned Fully to Either Side after The 
Engine Is Started

ADS000VU

NOTE:

●

Light tight-corner braking symptom may occur depending on driving conditions in AUTO mode.
This is not malfunction.

●

Heavy tight-corner braking symptom occurs when vehicle is driven in the following conditions:
LOCK mode, steering wheel is turned fully to either sides, and accelerator pedal was depressed.

DIAGNOSTIC PROCEDURE

1. 

CHECK SYSTEM FOR CAN COMMUNICATION LINE

Perform self-diagnosis. Refer to 

TF-25, "SELF-DIAG RESULT MODE"

 .

Is the “CAN COMM CIRCUIT [U1000]” displayed?

YES

>> Perform trouble diagnosis for CAN communication line. Refer to 

TF-36, "CAN Communication

Line"

 .

NO

>> GO TO 2.

2. 

CHECK SYSTEM FOR AWD LOCK SWITCH

Perform trouble diagnosis for AWD lock switch system. Refer to 

TF-34, "AWD Lock Switch"

 .

OK or NG

OK

>> GO TO 3.

NG

>> Repair or replace damaged parts.

3. 

CHECK ACCELERATOR PEDAL POSITION SIGNAL CIRCUIT

Perform self-diagnosis for ECM. Refer to 

EC-47, "Emission-Related Diagnostic Information"

 .

Is any malfunction detected by self-diagnosis?

YES

>> Check the malfunctioning system.

NO

>> GO TO 4.

4. 

CHECK SYSTEM FOR AWD SOLENOID

Perform trouble diagnosis for AWD solenoid system. Refer to 

TF-30, "AWD Solenoid"

 .

OK or NG

OK

>> GO TO 5.

NG

>> Repair or replace damaged parts.

5. 

CHECK ELECTRIC CONTROLLED COUPLING

1.

Turn ignition switch “OFF”.

2.

Set the selector lever to “N” (neutral) position and disengage the parking brake.

3.

Lift up the vehicle.

4.

Rotate the propeller shaft by hand.

5.

Hold rear wheel of right and left lightly.

Does rear wheel rotate?

YES

>> Replace electric controlled coupling for mechanical malfunction (clutch sticking etc.). Refer

to

RFD-16, "Disassembly and Assembly"

 .

NO

>> GO TO 6.

TF-46

TROUBLE DIAGNOSIS FOR SYMPTOMS

Revision: 2005 August

2005 Murano

6. 

SYMPTOM CHECK

Check again.

OK or NG

OK

>> INSPECTION END

NG

>> GO TO 7.

7. 

CHECK AWD CONTROL UNIT

Check AWD control unit input/output signals. Refer to 

TF-23, "AWD Control Unit Input/Output Signal Refer-

ence Values"

 .

OK or NG

OK

>> INSPECTION END

NG

>> Check AWD control unit pin terminals for damage or loose connection with harness connector. If

any items are damaged, repair or replace damaged parts.

Vehicle Does Not Enter AWD Mode Even Though AWD Warning Lamp Turned to 
OFF

ADS000VV

CAUTION:

Make sure that parking brake is securely released if the symptom has occurred at vehicle speed of 10
km/h (6 MPH) or more.

DIAGNOSTIC PROCEDURE

1. 

CHECK PARKING BRAKE SWITCH SIGNAL

 With CONSULT-II

1.

Turn ignition switch “ON”.

2.

Select “DATA MONITOR” mode for “ALL MODE AWD/4WD” with CONSULT-II.

3.

Operate parking brake and read out monitor “P BRAKE SW”.

OK or NG

OK >> GO 

TO 

2.

NG

>> Check the following. If any items are damaged, repair or 

replace damaged parts.

●

Parking brake switch

●

Brake warning lamp circuit. Refer to 

DI-43, "Wiring

Diagram — WARN —"

 .

2. 

CHECK AWD SOLENOID

Check AWD solenoid. Refer to 

TF-32, "COMPONENT INSPECTION"

 .

OK or NG

OK

>> GO TO 3.

NG

>> Replace electric controlled coupling for malfunction of AWD solenoid. Refer to

RFD-16, "Disas-

sembly and Assembly"

 .

Monitor item

Condition

Display value

P BRAKE SW

Parking brake operated

ON

Parking brake not operated

OFF

SDIA1933E

TROUBLE DIAGNOSIS FOR SYMPTOMS

TF-47

C

E

F

G

H

I

J

K

L

M

A

B

TF

Revision: 2005 August

2005 Murano

3. 

CHECK AWD CONTROL UNIT

Check AWD control unit input/output signal. Refer to 

TF-23, "AWD Control Unit Input/Output Signal Reference

Values"

 .

OK or NG

OK

>> GO TO 4.

NG

>> Check AWD control unit pin terminals for damage or loose connection with harness connector. If

any items are damaged, repair or replace damaged parts.

4. 

SYMPTOM CHECK

Check again.

OK or NG

OK

>> INSPECTION END

NG

>> Replace electric controlled coupling for mechanical malfunction (mechanical engagement of

clutch is not possible.). Refer to 

RFD-16, "Disassembly and Assembly"

 .

While Driving, AWD Warning Lamp Flashes Rapidly (When Flashing in Approx. 
1 Minute and Then Turning OFF)

ADS000VW

NOTE:
Rapid flashing: 2 times/second
This symptom protects drivetrain parts when a heavy load is applied to the electric controlled coupling and
multiple disc clutch temperature increases. It is not a malfunction.
When this symptom occurs, stop vehicle and allow it to idle for some times. Flashing will stop and system will
be restored.

While Driving, AWD Warning Lamp Flashes Slowly (When Continuing to Flash 
until Turning Ignition Switch OFF)

ADS000VX

NOTE:
Slow flashing: 1 time/2 seconds

DIAGNOSTIC PROCEDURE

1. 

CHECK TIRE

Check the following.

●

Tire pressure

●

Wear condition

●

Front and rear tire size (There is no difference between front and rear tires.)

OK or NG

OK

>> GO TO 2.

NG

>> Drive at vehicle speed of 20 km/h (12 MPH) or more for 5 seconds or more after repairing or

replacing damaged parts. (Initialize improper size tire information.)

TF-48

TROUBLE DIAGNOSIS FOR SYMPTOMS

Revision: 2005 August

2005 Murano

2. 

CHECK INPUT SIGNAL OF TIRE DIAMETER

 With CONSULT-II

1.

Start engine.

2.

Drive at 20 km/h (12 MPH) or more for approx. 200 seconds.

3.

Select “DATA MONITOR” mode for “ALL MODE AWD/4WD” with CONSULT-II.

4.

Check monitor “DIS-TIRE MONI”.

Display of “DIS-TIRE MONI”

“0-4mm”>>INSPECTION END
Except for “0-4mm”>>GO TO 3.

3. 

CHECK AWD CONTROL UNIT

Check AWD control unit input/output signals. Refer to 

TF-23, "AWD Control Unit Input/Output Signal Refer-

ence Values"

 .

OK or NG

OK

>> GO TO 4.

NG

>> Check AWD control unit pin terminals for damage or loose connection with harness connector. If

any item is damaged, repair or replace damaged parts.

4. 

SYMPTOM CHECK

Check again.

OK or NG

OK

>> INSPECTION END

NG

>> Replace AWD control unit.

SDIA1900E

AWD CONTROL UNIT

TF-49

C

E

F

G

H

I

J

K

L

M

A

B

TF

Revision: 2005 August

2005 Murano

AWD CONTROL UNIT

PFP:41650

Removal and Installation

ADS000VY

REMOVAL

1.

Remove instrument driver lower panel. Refer to 

IP-11, "Removal and Installation"

 .

2.

Remove fuse block (J/B).

3.

Disconnect AWD control unit connector.

4.

Remove AWD control unit.

INSTALLATION

Install in the reverse order of removal.

PDIA0830E

TF-50

SIDE OIL SEAL

Revision: 2005 August

2005 Murano

SIDE OIL SEAL

PFP:33142

Removal and Installation

ADS000UC

NOTE:
Transaxle side oil seal is attached to transaxle assembly. Replace it when transfer assembly is
removed from vehicle.

REMOVAL

1.

Remove RH drive shaft. Refer to 

FAX-7, "FRONT DRIVE SHAFT"

 .

2.

Remove side shaft. Refer to 

FAX-7, "FRONT DRIVE SHAFT"

 .

CAUTION:

Be careful not to damage gear ring oil seal inside of transfer.

3.

Remove oil seal with a flat-bladed screwdriver.

CAUTION:

Be careful not to damage adapter case.

INSTALLATION

1.

Apply multi-purpose grease to oil seal lips. As shown in the fig-
ure, install oil seal so that it becomes flush with the case end
surface, using the drift.

CAUTION:

●

Do not reuse oil seal.

●

When installing, do not incline oil seal.

2.

Install side shaft. Refer to 

FAX-7, "FRONT DRIVE SHAFT"

 .

CAUTION:

Be careful not to damage gear ring oil seal inside of trans-
fer.

3.

Install RH drive shaft. Refer to 

FAX-7, "FRONT DRIVE SHAFT"

 .

4.

Check oil level. Refer to 

TF-10, "Inspection"

 .

SDIA1546E

Tool number

: KV38101700 (

—

)

SDIA1547E

AIR BREATHER HOSE

TF-51

C

E

F

G

H

I

J

K

L

M

A

B

TF

Revision: 2005 August

2005 Murano

AIR BREATHER HOSE

PFP:31098

Components

ADS000WU

Removal and Installation

ADS000WV

Note the following, when removal and installation.

CAUTION:

Make sure there are no pinched or restricted areas on the air breather hose caused by bending or
winding when installing it.

●

Be sure to insert air breather hose into breather tube (metal con-
nector) until hose end reaches the tube's base.

●

Be sure to insert the hose till the paint mark.

1.

Air breather hose

2.

Transfer assembly

3.

Breather tube

SDIA1859J

SCIA2663J

SDIA1824J

TF-52

TRANSFER ASSEMBLY

Revision: 2005 August

2005 Murano

TRANSFER ASSEMBLY

PFP:33100

Removal and Installation

ADS000UE

COMPONENTS

REMOVAL

NOTE:
The transfer assembly itself cannot be removed from vehicle. Remove transfer assembly together with
engine assembly and transaxle assembly from vehicle. 

1.

Remove transfer assembly both with engine assembly and transaxle assembly from vehicle. Refer to 

EM-

107, "ENGINE ASSEMBLY"

 .

2.

Remove RH drive shaft. Refer to 

FAX-8, "Removal and Installation (Right Side)"

 .

3.

Remove side shaft. Refer to 

FAX-8, "Removal and Installation (Right Side)"

 .

CAUTION:

Be careful not to damage oil seal.

4.

Remove rear gusset and transfer gusset.

5.

Remove bolts fixing transaxle assembly and transfer assembly.

6.

Remove the transfer assembly from transaxle.

CAUTION:

After removing transfer assembly from transaxle, be sure to replace differential side oil seal of the
transaxle with new one. Refer to 

CVT-226, "DIFFERENTIAL SIDE OIL SEAL"

 .

INSTALLATION

Note the following, and install in the reverse order of removal.

1.

Transfer assembly

2.

Transaxle assembly

3.

Rear gusset

4.

Transfer gusset

SDIA2001E

TRANSFER ASSEMBLY

TF-53

C

E

F

G

H

I

J

K

L

M

A

B

TF

Revision: 2005 August

2005 Murano

●

When installing the transfer to the transaxle, install the mounting
bolts following the standard below.

CAUTION:

When installing transfer to transaxle, be careful not to dam-
age oil seal of transaxle.

●

After the installation, check the oil level and oil leakage. Refer to 

TF-10, "Inspection"

 .

Bolt No.

1

2

Quantity

4

2

Bolt length “

” mm (in)

65 (2.56)

40 (1.57)

Tightening torque 
N·m (kg-m, ft-lb)

34.3 (3.5, 25)

SDIA1510E

TF-54

TRANSFER ASSEMBLY

Revision: 2005 August

2005 Murano

Disassembly and Assembly

ADS000WW

COMPONENTS

1.

Pinion lock nut

2.

Companion flange

3.

Pinion sleeve oil seal

4.

Pinion rear bearing

5.

Dust cover

6.

Pinion sleeve

7.

O-ring

8.

Collapsible spacer

9.

Pinion front bearing

10. Drive pinion

11.

Pinion sleeve shim

12. Adapter case oil seal

13. Drain plug

14. Adapter case

15. Oil gutter

16. O-ring

17. Gear ring bearing adjusting shim 

(Adapter case side)

18. Gear ring bearing (Adapter case 

side)

19. Gear ring oil seal

20. Gear ring

21. Drive gear

22. Gear ring bearing (Transfer case 

side)

23. Gear ring bearing adjusting shim 

(Transfer case side)

24. Oil defense

25. Filler plug

26. Transfer case oil seal

27. Transfer case

28. Breather tube

29. Plug

PDIA0735E

TRANSFER ASSEMBLY

TF-55

C

E

F

G

H

I

J

K

L

M

A

B

TF

Revision: 2005 August

2005 Murano

ASSEMBLY INSPECTION
Backlash

1.

Install a bolt to the companion flange.

2.

Fit a dial indicator onto the bolt.

3.

Measure the circumference backlash of the companion flange,
and make sure it satisfies the standard below.

●

If measured value is out of the specification, disassemble it to
check and adjust each part.

Tooth Contact

1.

Remove the pinion sleeve assembly. Refer to 

TF-59, "Pinion Sleeve Assembly"

 .

2.

Apply red lead to the drive gear.

CAUTION:

Apply red lead to both the faces of 3 to 4 gears at 4 loca-
tions evenly spaced on the drive gear.

3.

Install the pinion sleeve shims and pinion sleeve assembly.
Refer to 

TF-69, "Pinion Sleeve Assembly"

 .

4.

Remove the plug on the upper side of the transfer case.
When installing plug, apply sealant on screw part, and tighten it
at the specified torque. Refer to 

TF-54, "COMPONENTS"

 .

●

Use Genuine Silicone RTV or equivalent. Refer to 

GI-47,

"Recommended Chemical Products and Sealants"

 .

5.

Rotate the companion flange back and forth several times, and
check the drive pinion gear to drive gear tooth contact by view-
ing from the plug hole.

Backlash

: 0.13 - 0.19 mm (0.0051 - 0.0075 in)

SDIA1801E

SDIA1524E

SDIA1802E

TF-56

TRANSFER ASSEMBLY

Revision: 2005 August

2005 Murano

6.

If tooth contact is poorly adjusted, adjust pinion height (dimen-
sion X) in the following manner.

SDIA0520E

SDIA0517E