Nissan Murano Z50 (2006 year). Manual - part 9

TROUBLE DIAGNOSIS

ATC-105

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ATC

Revision: 2006 August

2006 Murano

3. 

CHECK INTAKE SENSOR

Refer to 

ATC-105, "Intake Sensor"

 .

OK or NG

OK

>> 1. Replace unified meter and A/C amp.

2. Go to self-diagnosis 

ATC-48, "FUNCTION CONFIRMATION PROCEDURE"

  and perform self-

diagnosis STEP-2. Confirm that code No. 20 is displayed.

NG

>> 1. Replace intake sensor.

2. Go to self-diagnosis 

ATC-48, "FUNCTION CONFIRMATION PROCEDURE"

  and perform self-

diagnosis STEP-2. Confirm that code No. 20 is displayed.

4. 

CHECK CIRCUIT CONTINUITY BETWEEN INTAKE SENSOR AND UNIFIED METER AND A/C AMP.

1.

Turn ignition switch OFF.

2.

Disconnect unified meter and A/C amp. connector.

3.

Check continuity between intake sensor harness connector
M256 terminal 1 and unified meter and A/C amp. harness con-
nector M51 terminal 41.

4.

Check continuity between intake sensor harness connector
M256 terminal 1 and ground.

OK or NG

OK

>> 1. Replace unified meter and A/C amp.

2. Go to self-diagnosis 

ATC-48, "FUNCTION CONFIRMATION PROCEDURE"

  and perform self-

diagnosis STEP-2. Confirm that code No. 20 is displayed.

NG

>> Repair harness or connector.

COMPONENT INSPECTION
Intake Sensor

After disconnecting intake sensor connector M256, measure resis-
tance between terminals 1 and 2 at sensor side. Refer to the table
below.

If NG, replace intake sensor.

1 – 41

: Continuity should exist.

1 – Ground

: Continuity should not exist.

RJIA1811E

Temperature 

°

C (

°

F)

Resistance k

Ω

−

15 (5)

18.63

−

10 (14)

14.14

−

5 (23)

10.85

0 (32)

8.40

5 (41)

6.57

10 (50)

5.18

15 (59)

4.12

20 (68)

3.30

25 (77)

2.66

30 (86)

2.16

35 (95)

1.77

40 (104)

1.46

45 (113)

1.21

RJIA1812E

ATC-106

CONTROLLER

Revision: 2006 August

2006 Murano

CONTROLLER

PFP:27500

Removal and Installation of A/C and AV Switch

NJS000BF

REMOVAL

Refer to 

AV-61, "Removal and Installation for A/C and AV Switch"

 .

INSTALLATION

Installation is basically the reverse order of removal.

AUTO AMP

ATC-107

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Revision: 2006 August

2006 Murano

AUTO AMP

PFP:27760

Removal and Installation of Unified Meter and A/C Amp.

NJS000BG

REMOVAL

1.

Remove audio unit. Refer to 

AV-59, "Removal and Installation of Audio Unit"

 .

2.

Remove mounting screws, and then remove unified meter and
A/C amp.

INSTALLATION

Installation is basically the reverse order of removal.

RJIA1813E

ATC-108

AMBIENT SENSOR

Revision: 2006 August

2006 Murano

AMBIENT SENSOR

PFP:27722

Removal and Installation

NJS000BH

REMOVAL

1.

Remove ambient sensor from bracket.

2.

Disconnect ambient sensor connector, and then remove ambi-
ent sensor.

INSTALLATION

Installation is basically the reverse order of removal.

RJIA3971E

IN-VEHICLE SENSOR

ATC-109

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Revision: 2006 August

2006 Murano

IN-VEHICLE SENSOR

PFP:27720

Removal and Installation

NJS000BI

REMOVAL

1.

Remove instrument driver lower panel. Refer to 

IP-10, "INSTRUMENT PANEL ASSEMBLY"

 .

2.

Remove mounting screw, and then remove in-vehicle sensor.

INSTALLATION

Installation is basically the reverse order of removal.

RJIA1814E

ATC-110

SUNLOAD SENSOR

Revision: 2006 August

2006 Murano

SUNLOAD SENSOR

PFP:27721

Removal and Installation

NJS000BJ

REMOVAL

1.

Remove instrument mask (right side). Refer to 

IP-10, "INSTRUMENT PANEL ASSEMBLY"

 .

2.

Disconnect sunload sensor connector, and then remove sunload
sensor.

INSTALLATION

Installation is basically the reverse order of removal.

RJIA1806E

INTAKE SENSOR

ATC-111

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Revision: 2006 August

2006 Murano

INTAKE SENSOR

PFP:27723

Removal and Installation

NJS000BK

REMOVAL

1.

Remove low-pressure pipe 2 and high-pressure pipe 2. Refer to 

ATC-139, "Removal and Installation of

Low-pressure Pipe 2 and High-pressure Pipe 2"

 .

CAUTION:

Cap or wrap the joint of evaporator, low-pressure pipe 1, 2 and high-pressure pipe 1, 2 with suit-
able material such as vinyl tape to avoid the entry of air. 

2.

Slide evaporator to passenger side, and then remove intake
sensor.

INSTALLATION

Installation is basically the reverse order of removal.

CAUTION:

●

Replace O-rings of low-pressure pipe 1, 2 and high-pressure pipe 1, 2 with new ones, and then
apply compressor oil to it when installing it.

●

Mark the mounting position of intake sensor bracket prior to removal so that the reinstalled sen-
sor can be located in the same position.

●

Female-side piping connection is thin and easy to deform. Slowly insert the male-side piping
straight in axial direction.

●

Insert piping securely until a click is heard.

●

After piping connection is completed, pull male-side piping by hand to make sure that connection
does not come loose.

●

When recharging refrigerant, check for leaks. 

RJIA1808E

ATC-112

BLOWER UNIT

Revision: 2006 August

2006 Murano

BLOWER UNIT

PFP:27200

Removal and Installation

NJS000BL

REMOVAL

1.

Remove instrument passenger lower panel. Refer to 

IP-10, "INSTRUMENT PANEL ASSEMBLY"

 .

2.

Remove mounting nuts, and then remove ECM with bracket
attached.

3.

Disconnect intake door motor connector and blower fan motor
connector.

4.

Remove blower unit mounting bolts and screw.

5.

Remove harness clips from blower unit.

CAUTION:

Move blower unit rightward, and remove locating pin (1
part) and joint. Then remove blower unit downward.

6.

Remove blower unit.

INSTALLATION

Installation is basically the reverse order of removal.

CAUTION:

Make sure locating pin (1 part) and joint are securely inserted.

SJIA1170E

RJIA1819E

BLOWER UNIT

ATC-113

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ATC

Revision: 2006 August

2006 Murano

Disassembly and Assembly

NJS000BM

1.

Intake adapter

2.

Intake box case

3.

Intake upper case

4.

Intake lower case

5.

Blower fan motor assembly

6.

Intake door motor

7.

In-cabin microfilter

8.

Filter cover

9.

Intake door 2

10. Intake door 1

11.

Intake door lever 1

12. Intake door link

13. Intake door lever 2

RJIA1820E

ATC-114

BLOWER UNIT

Revision: 2006 August

2006 Murano

Removal and Installation of Blower Duct

NJS000BN

REMOVAL

1.

Remove instrument panel. Refer to 

IP-10, "INSTRUMENT PANEL ASSEMBLY"

 .

2.

Remove blower unit. Refer to 

ATC-112, "BLOWER UNIT"

 .

3.

Remove mounting nuts, and then remove blower duct.

INSTALLATION

Installation is basically the reverse order of removal.

RJIA4001E

BLOWER MOTOR

ATC-115

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Revision: 2006 August

2006 Murano

BLOWER MOTOR

PFP:27226

Removal and Installation

NJS000BO

REMOVAL

1.

Remove instrument passenger lower panel. Refer to 

IP-10, "INSTRUMENT PANEL ASSEMBLY"

 .

2.

Disconnect blower motor connector.

3.

Remove mounting screws, and then remove blower motor.

INSTALLATION

Installation is basically the reverse order of removal.

RJIA1822E

ATC-116

INTAKE DOOR MOTOR

Revision: 2006 August

2006 Murano

INTAKE DOOR MOTOR

PFP:27730

Removal and Installation

NJS000BP

REMOVAL

1.

Remove blower unit. Refer to 

ATC-112, "BLOWER UNIT"

 .

2.

Remove mounting screws, and then remove intake door motor
from blower unit.

INSTALLATION

Installation is basically the reverse order of removal.

RJIA1823E

IN-CABIN MICROFILTER

ATC-117

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ATC

Revision: 2006 August

2006 Murano

IN-CABIN MICROFILTER

PFP:27277

Removal and Installation

NJS000BQ

FUNCTION

Air inside passenger compartment is kept clean at either recircula-
tion or fresh mode by installing in-cabin microfilter into blower unit.

REPLACEMENT TIMING

Replace in-cabin microfilter.
Refer to 

MA-8, "CHASSIS AND BODY MAINTENANCE"

  in Schedule 1 and 

MA-9, "CHASSIS AND BODY

MAINTENANCE"

  in Schedule 2.

When replacing filter, affix a caution label inside the glove box.

REPLACEMENT PROCEDURES

1.

Remove instrument passenger lower panel. Refer to 

IP-10, "INSTRUMENT PANEL ASSEMBLY"

 .

2.

Remove filter cover, and then remove in-cabin microfilter.

3.

Take out in-cabin microfilter from blower unit.

4.

Replace with new one and reinstall on blower unit.

5.

Reinstall instrument passenger lower panel.

RJIA1331E

RJIA1824E

ATC-118

HEATER & COOLING UNIT ASSEMBLY

Revision: 2006 August

2006 Murano

HEATER & COOLING UNIT ASSEMBLY

PFP:27110

Removal and Installation

NJS000BR

REMOVAL

1.

Use a refrigerant collecting equipment (for HFC-134a) to discharge the refrigerant.

2.

Drain coolant from cooling system. Refer to 

CO-9, "Changing Engine Coolant"

 .

3.

Remove cowl top cover. Refer to 

EI-20, "COWL TOP"

 .

4.

Disconnect evaporator-side one-touch joints.

a.

Set a disconnector [high-pressure side (SST: 9253089908), low-
pressure side (SST: 9253089916)] on A/C piping.

b.

Slide a disconnector toward vehicle front until it clicks.

c.

Slide A/C piping toward vehicle front and disconnect it.

CAUTION:

Cap or wrap the joint of the low-pressure pipe 1 and high-
pressure pipe 1 with suitable material such as vinyl tape to
avoid the entry of air.

5.

Remove clamps, and then disconnect two heater hoses from
heater core.

6.

Remove instrument panel. Refer to 

IP-10, "INSTRUMENT PANEL ASSEMBLY"

 .

7.

Remove blower unit. Refer to 

ATC-112, "BLOWER UNIT"

 .

8.

Remove clips of vehicle harness from steering member.

9.

Remove mounting nuts, and then remove instrument stays
(driver side and passenger side).

10. Remove mounting bolts from heater & cooling unit.

PJIA0098E

RJIA1825E

RJIA1826E

RJIA1828E

HEATER & COOLING UNIT ASSEMBLY

ATC-119

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Revision: 2006 August

2006 Murano

11. Remove rear ventilator duct1 and front floor duct. Refer to 

ATC-128, "Removal of Rear Ventilator Ducts"

and 

ATC-130, "Removal of Floor Ducts"

 .

12. Remove steering member mounting bolts and steering column assembly mounting nuts, and then remove

steering member.

13. Remove heater & cooling unit assembly.

INSTALLATION

Installation is basically the reverse order of removal.

CAUTION:

●

Replace O-rings of low-pressure pipe 1 and high-pressure pipe 1 with new ones, and then apply
compressor oil to it when installing it.

●

Female-side piping connection is thin and easy to deform. Slowly insert the male-side piping
straight in axial direction.

●

Insert piping securely until a click is heard.

●

After piping connection is completed, pull male-side piping by hand to make sure that connection
does not come loose.

●

When recharging refrigerant, check for leaks.

NOTE:

●

When filling radiator with coolant, refer to 

CO-9, "Changing Engine Coolant"

 .

●

Recharge the refrigerant.

PJIA0095E

Heater & cooling unit assembly mounting bolt

: 6.8 N·m (0.69 kg-m, 60 in-lb) 

Steering member mounting bolt and steering column assembly mounting nut

: 12 N·m (1.2 kg-m, 9 ft-lb)

ATC-120

HEATER & COOLING UNIT ASSEMBLY

Revision: 2006 August

2006 Murano

Disassembly and Assembly

NJS000BS

1.

Adaptor duct

2.

Heater & cooling unit case (left)

3.

Mode door motor bracket

4.

Mode door motor

5.

Instrument lower cover bracket

6.

Aspirator

7.

Aspirator duct

8.

Front heater duct (left)

9.

Sub harness

10. Heater core

11.

Foot duct (passenger side)

12. Front heater duct (right)

13. Heater core cover

14. Air mix door motor (passenger side) 15. Evaporator cover

16. Low-pressure pipe 2

17. High-pressure pipe 2

18. Cooler pipe grommet

PJIA0096E