Nissan Murano Z50 (2005 year). Manual — part 223
TROUBLE DIAGNOSIS FOR SYMPTOMS
TF-41
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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
.
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-
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
●
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
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4.
CHECK AWD CONTROL UNIT
Check AWD control unit input/output signal. Refer to
TF-23, "AWD Control Unit Input/Output Signal Reference
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
.
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-
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
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
5.
CHECK AWD CONTROL UNIT
Check AWD control unit input/output signal. Refer to
TF-23, "AWD Control Unit Input/Output Signal Reference
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-
.
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
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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
NO
>> GO TO 2.
2.
CHECK SYSTEM FOR AWD LOCK SWITCH
Perform trouble diagnosis for AWD lock switch system. Refer to
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
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
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-
.
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
.
2.
CHECK AWD SOLENOID
.
OK or NG
OK
>> GO TO 3.
NG
>> Replace electric controlled coupling for malfunction of AWD solenoid. Refer to
Monitor item
Condition
Display value
P BRAKE SW
Parking brake operated
ON
Parking brake not operated
OFF
SDIA1933E
TROUBLE DIAGNOSIS FOR SYMPTOMS
TF-47
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3.
CHECK AWD CONTROL UNIT
Check AWD control unit input/output signal. Refer to
TF-23, "AWD Control Unit Input/Output Signal Reference
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-
.
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
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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
.
2.
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.
CAUTION:
Be careful not to damage gear ring oil seal inside of trans-
fer.
3.
Install RH drive shaft. Refer to
.
4.
Check oil level. Refer to
SDIA1546E
Tool number
: KV38101700 (
—
)
SDIA1547E
AIR BREATHER HOSE
TF-51
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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
2.
Remove RH drive shaft. Refer to
FAX-8, "Removal and Installation (Right Side)"
3.
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
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●
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
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
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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
●
Use Genuine Silicone RTV or equivalent. Refer to
"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
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