Nissan Murano Z50 (2007 year). Manual - part 26

INTELLIGENT KEY SYSTEM

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Check Select Unlock Relay

NIS00186

1. 

CHECK PASSENGER SIDE SELECT UNLOCK RELAY INPUT SIGNAL

1.

Turn ignition switch OFF.

2.

Check voltage between Intelligent Key unit harness connector and ground.

OK or NG

OK

>> Passenger side select unlock relay circuit is OK.

NG

>> GO TO 2.

2. 

CHECK PASSENGER SIDE SELECT UNLOCK RELAY POWER SUPPLY CIRCUIT

1.

Disconnect passenger side select unlock relay.

2.

Check voltage between passenger side select unlock harness connector M123 terminal 2 and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Repair or replace passenger side select unlock relay

power circuit.

3. 

CHECK PASSENGER SIDE SELECT UNLOCK RELAY

Check continuity between passenger side select unlock relay terminals 3 and 4.

OK or NG

OK

>> GO TO 4

NG

>> Replace passenger side select unlock relay.

Con-

nector

Terminals

Condition

Voltage (V)

(Approx.)

(+)

(-)

M99

40 (L/R)

Ground

Press door request switch 
(passenger side) once

0

Other than above

Battery voltage

PIIB4352E

2 (Y/R) – Ground

: Battery voltage.

PIIB4353E

Connector

Terminals

Condition

Continuity 

M123

3

4

12V direct current supply 
between terminals 1 and 2

Yes

Other than above

No

PIIB4355E

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4. 

CHECK PASSENGER SIDE SELECT UNLOCK RELAY CIRCUIT

1.

Disconnect Intelligent Key unit connector.

2.

Check continuity between Intelligent Key unit harness connector M99 terminal 40 and passenger side
select unlock relay harness connector M123 terminal 1.

3.

Check continuity between Intelligent Key unit harness connector
M99 terminal 40 and ground.

OK or NG

OK

>> Check condition of harness and connector.

NG

>> Repair or replace harness between Intelligent Key unit

and passenger side select unlock relay.

Check “P-SHIFT” Warning Lamp

NIS00187

1. 

CHECK WARNING LAMP OPERATION

 With CONSULT-II

●

Check “INDICATOR” in “ACTIVE TEST” mode with CONSULT-
II.

●

Select “KNOB ON”.

“P-SHIFT” warning lamp should illuminate.

 Without CONSULT-II

Check voltage between Intelligent Key unit harness connector M99 terminal 21 and ground.

OK or NG

OK

>> INSPECTION END

NG

>> GO TO 2.

40 (L/R) – 1 (L/R)

: Continuity should exist.

40 (L/R) – Ground

: Continuity should not exist.

PIIB4354E

PIIB4356E

Connec-

tor

Terminal

(Wire color)

Condition

Voltage (V)

(Approx.)

(+)

(-)

M99

21

(BR/Y)

Ground

Within 2 seconds after 
ignition knob switch is 
turned ON

0

Other than above

Battery voltage

PIIB4357E

INTELLIGENT KEY SYSTEM

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2. 

CHECK COMBINATION METER CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect Intelligent Key unit connector and combination meter connector.

3.

Check continuity Intelligent Key unit harness connector M99 ter-
minal 21 and combination meter harness connector M25 termi-
nal 13.

4.

Check continuity Intelligent Key unit harness connector M99 ter-
minal 21 and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Repair or replace harness between Intelligent Key unit

and combination meter.

3. 

CHECK INTELLIGENT KEY UNIT INPUT SIGNAL

1.

Connect combination meter connector.

2.

Check voltage between Intelligent Key unit harness connector
M99 terminal 21 and ground.

OK or NG

OK

>> Check condition of harness and connector.

NG

>> Check combination meter. Refer to 

DI-4, "COMBINA-

TION METERS"

 .

21 (BR/Y) - 13 (BR/Y)

: Continuity should exist.

21(BR/Y) - Ground

: Continuity should not exist.

PIIB4630E

21 (BR/Y) - Ground

: Batter voltage

PIIB4633E

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INTELLIGENT KEY SYSTEM

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Check “KEY” Warning Lamp (RED)

NIS00188

1. 

CHECK WARNING LAMP OPERATION

 With CONSULT-II

●

Check “INDICATOR” in “ACTIVE TEST” mode with CONSULT-
II.

●

Select “RED ON”.

“KEY” warning lamp (red) should illuminate.

 Without CONSULT-II

Check voltage between Intelligent Key unit harness connector M99 terminal 9 and ground.

 OK or NG

OK

>> INSPECTION END

NG

>> GO TO 2.

2. 

CHECK COMBINATION METER CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect Intelligent Key unit connector and combination meter connector.

3.

Check continuity Intelligent Key unit harness connector M99 ter-
minal 9 and combination meter harness connector M25 terminal
7.

4.

Check continuity Intelligent Key unit harness connector M99 ter-
minal 9 and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Repair or replace harness between Intelligent Key unit

and combination meter.

PIIB4356E

Connec-

tor

Terminal

(Wire cooler)

Condition

Voltage (V)

(Approx.)

(+)

(-)

M99

9 (G/B)

Ground

When Intelligent Key is 
outside vehicle, press 
ignition switch.

0

Ignition switch OFF

Battery voltage

PIIB4359E

9 (G/B) - 7 (G/B)

: Continuity should exist.

9 (G/B) - Ground

: Continuity should not exist.

PIIB4631E

INTELLIGENT KEY SYSTEM

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3. 

CHECK INTELLIGENT KEY UNIT INPUT SIGNAL

1.

Connect combination meter connector.

2.

Check voltage between Intelligent Key unit harness connector
M99 terminal 9 and ground.

OK or NG

OK 

>> Check condition of harness and connector.

NG

>> Check combination meter. Refer to 

DI-4, "COMBINA-

TION METERS"

 .

Check “KEY” Warning Lamp (GREEN)

NIS00189

1. 

CHECK WARNING LAMP OPERATION

 With CONSULT-II

●

Check “INDICATOR” in “ACTIVE TEST” mode with CONSULT-
II.

●

Select “BLUE ON”.

“KEY”warning lamp (green) should illuminate.

 Without CONSULT-II

Check voltage between Intelligent Key unit harness connector M99 terminal 8 and ground.

OK or NG

OK

>> INSPECTION END

NG

>> GO TO 2.

9 (G/B) - Ground

: Batter voltage 

PIIB4632E

PIIB4356E

Connec-

tor

Terminal

(Wire cooler)

Condition

Voltage (V)

(Approx.)

(+)

(-)

M99

8 (L/W)

Ground

When Intelligent Key is 
inside vehicle, press 
ignition switch.

0

Ignition switch OFF

Battery voltage

PIIB4383E

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2. 

CHECK COMBINATION METER CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect Intelligent Key unit connector and combination meter connector.

3.

Check continuity Intelligent Key unit harness connector M99 ter-
minal 8 and combination meter harness connector M25 terminal
8.

4.

Check continuity Intelligent Key unit harness connector M99 ter-
minal 8 and ground.

 OK or NG

OK

>> GO TO 3.

NG

>> Repair or replace harness between Intelligent Key unit

and combination meter.

3. 

CHECK INTELLIGENT KEY UNIT INPUT SIGNAL

1.

Connect combination meter connector.

2.

Check voltage between Intelligent Key unit harness connector
M99 terminal 8 and ground.

OK or NG

OK

>> Check condition of harness and connector.

NG

>> Check combination meter. Refer to 

DI-4, "COMBINA-

TION METERS"

 .

Check Hazard Function

NIS0018A

1. 

CHECK HAZARD WARNING LAMP

Does hazard warning lamp flash with hazard switch?

YES or NO

YES

>> Hazard warning lamp circuit is OK.

NO

>> Check  hazard circuit. Refer to 

LT-117, "TURN SIGNAL AND HAZARD WARNING LAMPS"

 .

Check Horn Function

NIS0018B

First perform the “SELF-DIAG RESULTS” in “BCM” with CONSULT-II, then perform the trouble diagnosis of
malfunction system indicated “SELF-DIAG RESULTS” of “BCM”. Refer to 

BCS-13, "CAN Communication

Inspection Using CONSULT-II (Self-Diagnosis)"

 .

1. 

CHECK HORN FUNCTION

Does horn sound with horn switch?

YES or NO

YES

>> Horn circuit is OK.

NO

>> Check horn circuit. Refer to 

WW-58, "HORN"

 .

8 (L/W) - 8 (L/W)

: Continuity should exist.

8 (L/W) - Ground

: Continuity should not exist.

PIIB4634E

8 (L/W) - Ground

: Batter voltage 

PIIB4635E

INTELLIGENT KEY SYSTEM

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Check IPDM E/R Operation

NIS0018C

1. 

CHECK IPDM E/R INPUT SIGNAL

Check voltage between IPDM E/R harness connector E9 terminal 51 and ground.

OK or NG

OK

>> Replace IPDM E/R.

NG

>> GO TO 2.

2. 

CHECK IPDM E/R CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect IPDM E/R and horn relay connector.

3.

Check continuity between IPDM E/R harness connector E9 terminal 51 and horn relay harness connector
E11 terminal 1.

4.

Check continuity between IPDM E/R harness connector E9 ter-
minal 51 and ground.

OK or NG

OK

>> Check harness connection.

NG

>> Repair or replace harness.

Removal and Installation of Intelligent Key Unit

NIS0018D

REMOVAL

1.

Remove the instrument passenger lower panel assembly. Refer to 

IP-11, "Removal and Installation"

 .

2.

Disconnect Intelligent Key unit connector, remove nut (A) and
Intelligent Key unit (1).

INSTALLATION

Installation is the reverse order of removal.

51 (G/O) – Ground

: Battery voltage

PIIA6403E

51 (G/O) – 1 (G/O)

: Continuity should exist.

51 (G/O) – Ground

: Continuity should not exist.

PIIB4957E

PIIB8707E

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INTELLIGENT KEY SYSTEM

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Intelligent Key Battery Replacement

NIS0018E

INTELLIGENT KEY BATTERY INSPECTION

Check by connecting a resistance (approximately 300

Ω

) so that the

current value becomes about 10 mA.

PIIB5065E

Standard

: Approx. 2.5 - 3.0V

OCC0607D

DOOR

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DOOR

PFP:80100

Fitting Adjustment

NIS0018F

FRONT DOOR
Longitudinal Clearance and Surface Height Adjustment at Front End

1.

Loosen the hinge mounting bolts. Raise the front door at rear end to adjust.

REAR DOOR
Longitudinal Clearance and Surface Height Adjustment at Front End

1.

Remove the center pillar upper garnish and center pillar lower garnish. Refer to 

EI-32, "BODY SIDE

TRIM"

   .

2.

Accessing from inside the vehicle, loosen the mounting nuts. Open the rear door, and raise the rear door
at rear end to adjust.

1.

Front fender

2.

Front door outer

3.

Rear door outer

PIIA3914E

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DOOR

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STRIKER ADJUSTMENT

Adjust the striker so that it becomes parallel with the lock insertion
direction.

Removal and Installation of Front Door

NIS0018G

CAUTION:

●

When removing and installing the front door assembly, support the door with a jack and cloth to
protect the door and body.

●

Operate with two workers, because of its heavy weight.

●

When removing and installing front door assembly, be sure to carry out the fitting adjustment
Refer to 

BL-169, "Fitting Adjustment"

 .

●

Check the hinge rotating part for poor lubrication. If necessary, apply “body grease”.

●

After installing, check operation.

REMOVAL

1.

Pull the lever and remove the front door harness connector
while removing tabs of door harness connector.

2.

Remove the mounting bolts of the check link on the vehicle.

SIIA0338E

PIIA2514E

PIIA2515E

DOOR

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3.

Remove the door-side hinge mounting nuts, and remove the
door assembly.

INSTALLATION

Install in the reverse order of removal.

Removal and Installation of Rear Door

NIS0018H

CAUTION:

●

When removing and installing the rear door assembly, support the door with a jack and cloth to
protect the door and body.

●

Operate with two workers, because of its heavy weight.

●

When removing and installing rear door assembly, be sure to carry out the fitting adjustment Refer
to 

BL-169, "Fitting Adjustment"

 .

●

Check the hinge rotating part for poor lubrication. If necessary, apply “body grease”.

●

After installing, check operation.

REMOVEL

1.

Pull out grommet, and detach rear door harness connector.

2.

Remove the mounting bolts of the check link on the vehicle.

PIIA3925E

PIIA2787E

PIIA2788E

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DOOR

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3.

Remove the door-side hinge mounting nuts, and remove the
door assembly.

INSTALLATION

Install in the reverse order of assembly.

Door Weatherstrip

NIS0018I

REMOVAL

1.

Remove the mounting bolts of the check link on the vehicle. Refer to 

BL-170, "Removal and Installation of

Front Door"

   or 

BL-171, "Removal and Installation of Rear Door"

  .

2.

Remove the weatherstrip clips and remove weatherstrip.

INSTALLATION

Install in the reverse order of assembly.

PIIA4412E

1.

Weatherstrip

PIIA3923E

FRONT DOOR LOCK

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FRONT DOOR LOCK

PFP:80502

Component Structure

NIS0018J

Removal and Installation

NIS0018K

REMOVAL

1.

Remove the front door finisher. Refer to

EI-30, "DOOR FINISHER"

   .

2.

Disconnect the inside handle knob cable and lock knob cable
from the back side of the front door finisher.

3.

Remove the front door window and front door module assembly. Refer to

GW-66, "FRONT DOOR GLASS

AND REGULATOR"

   .

4.

Remove door side grommet, and remove door key cylinder
assembly (driver side) and outside handle escutcheon (passen-
ger side) bolts (TORX T30) from grommet hole.

CAUTION:

Do not forcibly remove the TORX bolts (T30).

1.

Front gasket

2.

Outside handle

3.

Door key cylinder assembly (Driver 
side)
Outside handle escutcheon (Pas-
senger side)

4.

Rear gasket

5.

Outside handle bracket

6.

Grommet

7.

Key cylinder rod (Driver side only)

8.

Outside handle cable

9.

Door lock assembly

10. Inside handle knob cable

11.

Lock knob cable

12. Inside handle

PIIB4829E

PIIA4014E

PIIA3553E

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FRONT DOOR LOCK

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5.

Reach to separate the key cylinder rod connection (on the handle). 

6.

Disconnect door key cylinder switch harness connector. 

7.

While pulling the outside handle, remove door key cylinder
assembly.

8.

Disconnect front door request switch harness connector (wiht Intelligent Key system). 

9.

While pulling outside handle, slide toward rear of vehicle to
remove outside handle.

10. Remove the front gasket and rear gasket.

11. Remove the TORX bolts (T30), remove the door lock assembly.

PIIA3554E

PIIA3555E

PIIA3557E

PIIA1090E

FRONT DOOR LOCK

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12. Remove the TORX bolt (T30) of the outside handle bracket.

13. While pulling outside handle bracket, slide toward rear of vehicle

to remove outside handle bracket.

14. Disconnect the door lock actuator connector and remove the door lock assembly.

15. Reach to separate the outside handle cable connection.

INSTALLATION

Install in the reverse order of removal.

CAUTION:

To install each rod, be sure to rotate the rod holder until a click is felt.

PIIB5076E

PIIA3558E

PIIA5059E

BL-176

REAR DOOR LOCK

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REAR DOOR LOCK

PFP:82502

Component Structure

NIS0018L

Removal and Installation

NIS0018M

REMOVAL

1.

Remove the rear door finisher. Refer to

EI-30, "DOOR FINISHER"

   .

2.

Disconnect the inside handle knob cable and lock knob cable
from the back side of the rear door finisher.

3.

Remove the rear door sash. Refer to

GW-69, "REAR DOOR GLASS AND REGULATOR"

   .

4.

Remove the rear door window and rear door screen assembly. Refer to

GW-69, "REAR DOOR GLASS

AND REGULATOR"

   .

5.

Remove door side grommet, and remove outside handle escutcheon bolt (TORX T30) from grommet
hole.

1.

Front gasket

2.

Outside handle

3.

Outside handle escutcheon

4.

Rear gasket

5.

Outside handle bracket

6.

Grommet

7.

Outside handle cable

8.

Door lock assembly

9.

Inside handle knob cable

10. Lock knob cable

11.

Inside handle

PIIB4830E

PIIA4014E