Murano Cross Cabriolet Z51 (2011 year). Manual - part 29

 

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Murano Cross Cabriolet Z51 (2011 year). Manual - part 29

 

 

GI-42

< BASIC INSPECTION >

SERVICE INFORMATION FOR ELECTRICAL INCIDENT

An unclamped or loose harness can cause wiring to be pinched by seat components (such as slide guides)
during vehicle vibration. If the wiring runs under seating areas, inspect wire routing for possible damage or
pinching.

HEAT SENSITIVE

• The customer's concern may occur during hot weather or after car

has sat for a short time. In such cases you will want to check for a
heat sensitive condition.

• To determine if an electrical component is heat sensitive, heat the

component with a heat gun or equivalent.

CAUTION:

Never heat components above 60

°

C (140

°

F).

• If incident occurs while heating the unit, either replace or properly

insulate the component.

FREEZING 

• The customer may indicate the incident goes away after the car

warms up (winter time). The cause could be related to water freez-
ing somewhere in the wiring/electrical system.

• There are two methods to check for this. The first is to arrange for

the owner to leave his car overnight. Check it will get cold enough
to demonstrate his complaint. Leave the car parked outside over-
night. In the morning, do a quick and thorough diagnosis of those
electrical components which could be affected.

• The second method is to put the suspect component into a freezer

long enough for any water to freeze. Reinstall the part into the car
and check for the reoccurrence of the incident. If it occurs, repair or
replace the component.

WATER INTRUSION

The incident may occur only during high humidity or in rainy/snowy
weather. In such cases the incident could be caused by water intru-
sion on an electrical part. This can be simulated by soaking the car
or running it through a car wash.

CAUTION:

Never spray water directly on any electrical components.

ELECTRICAL LOAD 

The incident may be electrical load sensitive. Perform diagnosis with
all accessories (including A/C, rear window defogger, radio, fog
lamps) turned on.

COLD OR HOT START UP 

On some occasions an electrical incident may occur only when the car is started cold, or it may occur when
the car is restarted hot shortly after being turned off. In these cases you may have to keep the car overnight to
make a proper diagnosis.

JPAIA0733GB

SGI843

SGI844

SGI845

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SERVICE INFORMATION FOR ELECTRICAL INCIDENT

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Circuit Inspection

INFOID:0000000007564323

DESCRIPTION 

• In general, testing electrical circuits is an easy task if it is approached in a logical and organized method.

Before beginning it is important to have all available information on the system to be tested. Also, get a thor-
ough understanding of system operation. Then you will be able to use the appropriate equipment and follow
the correct test procedure.

• You may have to simulate vehicle vibrations while testing electrical components. Gently shake the wiring

harness or electrical component to do this.

NOTE:
Refer to 

GI-37, "How to Check Terminal"

 to probe or check terminal.

TESTING FOR “OPENS” IN THE CIRCUIT

Before you begin to diagnose and test the system, you should rough sketch a schematic of the system. This
will help you to logically walk through the diagnosis process. Drawing the sketch will also reinforce your work-
ing knowledge of the system.

Continuity Check Method

The continuity check is used to find an open in the circuit. The digital multimeter (DMM) set on the resistance
function will indicate an open circuit as over limit (no beep tone or no ohms symbol). Check to always start with
the DMM at the highest resistance level. 
To help in understanding the diagnosis of open circuits, please refer to the previous schematic.
• Disconnect the battery negative cable.
• Start at one end of the circuit and work your way to the other end. (At the fuse block in this example)
• Connect one probe of the DMM to the fuse block terminal on the load side.
• Connect the other probe to the fuse block (power) side of SW1. Little or no resistance will indicate that por-

tion of the circuit has good continuity. If there were an open in the circuit, the DMM would indicate an over
limit or infinite resistance condition. (point A)

• Connect the probes between SW1 and the relay. Little or no resistance will indicate that portion of the circuit

has good continuity. If there were an open in the circuit, the DMM would indicate an over limit or infinite resis-
tance condition. (point B)

• Connect the probes between the relay and the solenoid. Little or no resistance will indicate that portion of the

circuit has good continuity. If there were an open in the circuit, the DMM would indicate an over limit or infi-
nite resistance condition. (point C)

Any circuit can be diagnosed using the approach in the previous example.

Voltage Check Method

To help in understanding the diagnosis of open circuits please refer to the previous schematic.
In any powered circuit, an open can be found by methodically checking the system for the presence of voltage.
This is done by switching the DMM to the voltage function.
• Connect one probe of the DMM to a known good ground.
• Begin probing at one end of the circuit and work your way to the other end.
• With SW1 open, probe at SW1 to check for voltage.

voltage: open is further down the circuit than SW1.

OPEN

A circuit is open when there is no continuity through a section of the circuit.

SHORT

There are two types of shorts.

• SHORT CIRCUIT

When a circuit contacts another circuit and causes the normal resistance to 
change.

• SHORT TO GROUND

When a circuit contacts a ground source and grounds the circuit.

SGI846-A

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GI-44

< BASIC INSPECTION >

SERVICE INFORMATION FOR ELECTRICAL INCIDENT

no voltage: open is between fuse block and SW1 (point A).

• Close SW1 and probe at relay.

voltage: open is further down the circuit than the relay.
no voltage: open is between SW1 and relay (point B).

• Close the relay and probe at the solenoid.

voltage: open is further down the circuit than the solenoid.
no voltage: open is between relay and solenoid (point C).

Any powered circuit can be diagnosed using the approach in the previous example.

TESTING FOR “SHORTS” IN THE CIRCUIT

To simplify the discussion of shorts in the system, please refer to the following schematic.

Resistance Check Method

• Disconnect the battery negative cable and remove the blown fuse.
• Disconnect all loads (SW1 open, relay disconnected and solenoid disconnected) powered through the fuse.
• Connect one probe of the DMM to the load side of the fuse terminal. Connect the other probe to a known

good ground.

• With SW1 open, check for continuity.

continuity: short is between fuse terminal and SW1 (point A).
no continuity: short is further down the circuit than SW1.

• Close SW1 and disconnect the relay. Put probes at the load side of fuse terminal and a known good ground.

Then, check for continuity.
continuity: short is between SW1 and the relay (point B).
no continuity: short is further down the circuit than the relay.

• Close SW1 and jump the relay contacts with jumper wire. Put probes at the load side of fuse terminal and a

known good ground. Then, check for continuity.
continuity: short is between relay and solenoid (point C).
no continuity: check solenoid, retrace steps.

Voltage Check Method

• Remove the blown fuse and disconnect all loads (i.e. SW1 open, relay disconnected and solenoid discon-

nected) powered through the fuse.

• Turn the ignition switch to the ON or START position. Verify battery voltage at the battery + side of the fuse

terminal (one lead on the battery + terminal side of the fuse block and one lead on a known good ground).

• With SW1 open and the DMM leads across both fuse terminals, check for voltage.

voltage: short is between fuse block and SW1 (point A).
no voltage: short is further down the circuit than SW1.

• With SW1 closed, relay and solenoid disconnected and the DMM leads across both fuse terminals, check for

voltage.
voltage: short is between SW1 and the relay (point B).
no voltage: short is further down the circuit than the relay.

• With SW1 closed, relay contacts jumped with fused jumper wire check for voltage.

voltage: short is down the circuit of the relay or between the relay and the disconnected solenoid (point C).
no voltage: retrace steps and check power to fuse block.

GROUND INSPECTION 

• Ground connections are very important to the proper operation of electrical and electronic circuits. Ground

connections are often exposed to moisture, dirt and other corrosive elements. The corrosion (rust) can
become an unwanted resistance. This unwanted resistance can change the way a circuit works.

• Electronically controlled circuits are very sensitive to proper grounding. A loose or corroded ground can

drastically affect an electronically controlled circuit. A poor or corroded ground can easily affect the circuit.
Even when the ground connection looks clean, there can be a thin film of rust on the surface.

SGI847-A

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SERVICE INFORMATION FOR ELECTRICAL INCIDENT

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• When inspecting a ground connection follow these rules:
- Remove the ground bolt or screw.
- Inspect all mating surfaces for tarnish, dirt, rust, etc.
- Clean as required to assure good contact.
- Reinstall bolt or screw securely.
- Inspect for “add-on” accessories which may be interfering with the ground circuit.
- If several wires are crimped into one ground eyelet terminal, check for proper crimps. Check all of the wires

are clean, securely fastened and providing a good ground path. If multiple wires are cased in one eyelet
check no ground wires have excess wire insulation.

• For detailed ground distribution information, refer to “Ground Distribution” in PG section.

VOLTAGE DROP TESTS 

• Voltage drop tests are often used to find components or circuits which have excessive resistance. A voltage

drop in a circuit is caused by a resistance when the circuit is in operation.

• Check the wire in the illustration. When measuring resistance with DMM, contact by a single strand of wire

will give reading of 0 ohms. This would indicate a good circuit. When the circuit operates, this single strand
of wire is not able to carry the current. The single strand will have a high resistance to the current. This will
be picked up as a slight voltage drop. 

• Unwanted resistance can be caused by many situations as follows:
- Undersized wiring (single strand example)
- Corrosion on switch contacts
- Loose wire connections or splices.
• If repairs are needed always use wire that is of the same or larger gauge.

Measuring Voltage Drop — Accumulated Method

• Connect the DMM across the connector or part of the circuit you want to check. The positive lead of the

DMM should be closer to power and the negative lead closer to ground.

• Operate the circuit.
• The DMM will indicate how many volts are being used to “push” current through that part of the circuit.

SGI853

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GI-46

< BASIC INSPECTION >

SERVICE INFORMATION FOR ELECTRICAL INCIDENT

Note in the illustration that there is an excessive 4.1 volt drop between the battery and the bulb.

Measuring Voltage Drop — Step-by-Step

• The step-by-step method is most useful for isolating excessive drops in low voltage systems (such as those

in “Computer Controlled Systems”).

• Circuits in the “Computer Controlled System” operate on very low amperage.
• The (Computer Controlled) system operations can be adversely affected by any variation in resistance in the

system. Such resistance variation may be caused by poor connection, improper installation, improper wire
gauge or corrosion.

• The step by step voltage drop test can identify a component or wire with too much resistance.

CONTROL UNIT CIRCUIT TEST 

System Description
• When the switch is ON, the control unit lights up the lamp.

CASE 1

SGI974

SAIA0258E

MGI034A

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SERVICE INFORMATION FOR ELECTRICAL INCIDENT

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INPUT-OUTPUT VOLTAGE CHART

• The voltage value is based on the body ground.

• *: If high resistance exists in the switch side circuit (caused by a single strand), terminal 1 does not detect battery voltage. Control unit

does not detect the switch is ON even if the switch does not turn ON. Therefore, the control unit does not supply power to light up the
lamp.

CASE 2

INPUT-OUTPUT VOLTAGE CHART

• The voltage value is based on the body ground.

• *: If high resistance exists in the switch side circuit (caused by a single strand), terminal 2 does not detect approx. 0 V. Control unit

does not detect the switch is ON even if the switch does not turn ON. Therefore, the control unit does not control ground to light up the
lamp.

Terminal No.

Description

Condition

Value (Approx.)

In case of high resistance such as single 
strand (V) *

+

Signal name

Input/

Output

1

Body 
ground

Switch

Input

Switch ON

Battery voltage

Lower than battery voltage Approx. 8 (Ex-
ample)

Switch OFF

0 V

Approx. 0

2

Body 
ground

Lamp

Output

Switch ON

Battery voltage

Approx. 0 (Inoperative lamp)

Switch OFF

0 V

Approx. 0

Terminal No.

Description

Condition

Value (Approx.)

In case of high resistance such as single 
strand (V) *

+

Signal name

Input/

Output

1

Body 
ground

Lamp

Output

Switch ON

0 V

Battery voltage (Inoperative lamp)

Switch OFF

Battery voltage

Battery voltage

2

Body 
ground

Switch

Input

Switch ON

0 V

Higher than 0 Approx. 4 (Example)

Switch OFF

5 V

Approx. 5

MGI035A

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GI-48

< BASIC INSPECTION >

CONSULT/GST CHECKING SYSTEM

CONSULT/GST CHECKING SYSTEM

Description

INFOID:0000000007564324

• When CONSULT/GST is connected with a data link connector (A)

equipped on the vehicle side, it will communicate with the control
unit equipped in the vehicle and then enable various kinds of diag-
nostic tests.

• Refer to “CONSULT Software Operation Manual” for more informa-

tion.

CONSULT Function and System Application*1

INFOID:0000000007564325

FUNCTION

*: Permanent DTC is not applied for regions where it is not mandated.

SYSTEM APPLICATION

*1

1

: Instrument lower panel LH

JPAIA0236ZZ

Mode

Function

All DTC Reading

Display all DTCs or diagnostic items that all ECUs are recording and judging.

Work Support

This mode enables a technician to adjust some devices faster and more accurately.

Self Diagnostic Results

Retrieve DTC from ECU and display diagnostic items.

Data Monitor

Monitor the input/output signal of the control unit in real time.

CAN Diagnosis

This mode displays a network diagnosis result about CAN by diagram.

CAN Diagnosis Support Monitor

It monitors the status of CAN communication.

Active Test

Send the drive signal from CONSULT to the actuator. The operation check can be performed.

ECU Identification

Display the ECU identification number (part number etc.) of the selected system.

Configuration

Function to READ/WRITE vehicle configuration.

SRT&P-DTC Confirmation

The state of System Readiness Test (SRT) items, the presence or absence of permanent DTC*, 
and driving conditions can be checked.

DTC work support

DTC reproduction procedure can be performed speedily and precisely.

Others

Other results or histories, etc. that are recorded in ECU are displayed.

System

All DTC Reading

W

o

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 Su

pp

ort

Sel

f Di

ag

nos

ti

c Re

su

lt

s

Da

ta

 Mo

ni

tor

CAN Diagnosis

CAN 

Di

ag

no

si

s S

u

p

port

 M

o

n

ito

r

Ac

ti

ve

 T

e

st

ECU Id

en

tifi

ca

tio

n

Co

nf

ig

u

rat

io

n

SR

T&P-DTC Conf

irmati

on

DTC work support

Ot

he

rs

ENGINE

x

x

x

x

x

x

x

x

-

x

*2

x

-

TRANSMISSION

x

x

x

x

x

x

-

x

-

-

-

• CALIB  DATA

AIR  BAG

x

-

x

-

x

-

-

x

-

-

-

• TROUBLE DIAG RECORD
• CAUSE OF WARNING LAMP

METER  /  M&A

x

-

x

x

x

x

-

-

-

-

-

• WARNING  HISTORY

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CONSULT/GST CHECKING SYSTEM

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x: Applicable

*1: If GST application is equipped, functions in accordance with SAE J1979 and ISO 15031-5 can be used.

*2: Permanent DTC is not applied for regions where it is not mandated.

CONSULT/GST Data Link Connector (DLC) Circuit

INFOID:0000000007564326

INSPECTION PROCEDURE

If the CONSULT/GST cannot diagnose the system properly, check the following items.

NOTE:
The DDL1 and DDL2 circuits from DLC pins 12, 13, 14 and 15 may be connected to more than one system. A
short in a DDL circuit connected to a control unit in one system may affect CONSULT access to other systems.
If the GST cannot operate properly, check the circuit based on the information of SAE J1962 and ISO 15031-
3.

BCM

x

x

x

x

x

x

x

x

x

-

-

-

AUTO  DRIVE  POS.

x

x

x

x

x

x

x

x

-

-

-

-

ABS

x

x

x

x

x

x

x

x

-

-

-

-

IPDM  E/R

x

-

x

x

x

x

x

x

-

-

-

-

ALL  MODE  AWD  /  4WD

x

-

x

x

x

x

x

x

-

-

-

-

MULTI  AV

-

x

x

x

x

x

-

x

x

-

-

-

HVAC

-

x

x

x

x

x

x

x

-

-

-

-

CONVERTIBLE  ROOF

x

-

x

x

x

x

x

x

-

-

-

-

System

A

ll DTC Reading

W

o

rk Su

pp

ort

Se

lf

 Dia

gno

s

tic

 Res

u

lt

s

Dat

a

 M

o

n

ito

r

CA

N D

iag

no

si

s

CAN Diagnosis Su

ppo

rt M

o

nit

o

r

Ac

ti

ve

 T

e

st

ECU I

d

e

n

ti

ficati

on

Co

nfi

g

u

rati

o

n

SR

T&

P-DTC Confirmation

DTC work 

support

Others

Symptom

Check item

CONSULT/GST cannot access 
any system.

• CONSULT/GST DLC power supply circuit (Terminal 8 and 16) and ground circuit (Terminal 4 and 5) 

CONSULT cannot access indi-
vidual system. (Other systems 
can be accessed.)

• Power supply and ground circuit for the control unit of the system (For detailed circuit, refer to wiring 

diagram for each system.)

• Open or short circuit between the system and CONSULT DLC (For detailed circuit, refer to wiring 

diagram for each system.)

• Open or short circuit CAN communication line. Refer to 

LAN-15, "Trouble Diagnosis Flow Chart"

.

Revision: 2013 February

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GI-50

< BASIC INSPECTION >

CONSULT/GST CHECKING SYSTEM

Wiring Diagram - CONSULT/GST CHECKING SYSTEM -

INFOID:0000000007564327

JRAWC0083GB

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INSPECTION AND ADJUSTMENT

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INSPECTION AND ADJUSTMENT

ADDITIONAL SERVICE WHEN REMOVING BATTERY NEGATIVE TERMINAL

ADDITIONAL SERVICE WHEN REMOVING BATTERY NEGATIVE TERMINAL : Re-
quired Procedure After Battery Disconnection

INFOID:0000000007564328

*: Not equipped.

SYSTEM

ITEM

REFERENCE

Automatic air conditioning system

Temperature setting trimmer

HAC-34, "Temperature Setting Trimmer"

Foot position setting trimmer

HAC-35, "Foot Position Setting Trimmer"

Inlet port memory function*

Inlet port memory function (FRE)

HAC-35, "Inlet Port Memory Function (FRE)"

Inlet port memory function (REC)

HAC-34, "Inlet Port Memory Function (REC)"

Gas sensor sensitivity adjustment function*

Auto intake switch interlocking movement 
change*

Clean switch interlocking movement 
change*

Automatic drive positioner

Automatic drive positioner system

ADP-39, "Description"

Power window control

Power window control system

PWC-24, "Description"

Sunroof system*

Sunroof system

Sunshade system*

Sunshade system

Rear view monitor*

Rear view monitor predictive course line 
center position adjustment

Around view monitor*

Predictive course line center position ad-
justment

Automatic back door system*

Automatic back door system

Engine oil level read*

Engine oil level read

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GW-1

BODY EXTERIOR, DOORS, ROOF & VEHICLE SECURITY

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CONTENTS

GLASS & WINDOW SYSTEM

PRECAUTION ...............................................

2

PRECAUTIONS ...................................................

2

Precaution for Supplemental Restraint System 
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" .................................................................
..

2

Service Procedure Precautions for Models with a 
Pop-up Roll Bar .......................................................
..

2

Precaution for Battery Service  ..................................

2

Precaution for Procedure without Cowl Top Cover 

......

3

PREPARATION ............................................

4

PREPARATION ...................................................

4

Special Service Tools ..............................................

4

Commercial Service Tools .......................................

4

SYMPTOM DIAGNOSIS  ...............................

5

SQUEAK AND RATTLE TROUBLE DIAG-
NOSES ................................................................

5

Work Flow  .................................................................

5

Inspection Procedure  ................................................

7

Diagnostic Worksheet  ...............................................

9

REMOVAL AND INSTALLATION  ...............

11

WINDSHIELD GLASS .......................................

11

Exploded View .........................................................

11

Removal and Installation  .........................................

12

Inspection ................................................................

15

QUARTER WINDOW GLASS ...........................

16

Exploded View .........................................................

16

Removal and Installation  .........................................

16

Disassembly and Assembly .....................................

19

Inspection and Adjustment  ......................................

19

DOOR GLASS ...................................................

25

Exploded View .........................................................

25

Removal and Installation  .........................................

25

Inspection and Adjustment  ......................................

26

DOOR REGULATOR  ........................................

30

Exploded View .........................................................

30

Removal and Installation  .........................................

30

Disassembly and Assembly .....................................

31

Inspection After Removal  ........................................

31

Inspection and Adjustment  ......................................

31

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GW-2

< PRECAUTION >

PRECAUTIONS

PRECAUTION

PRECAUTIONS

Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT 
PRE-TENSIONER"

INFOID:0000000007362487

The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front
air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the “SRS AIR BAG” and “SEAT BELT” of this
Service Manual.

WARNING:

Always observe the following items for preventing accidental activation.
• To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death in

the event of a collision that would result in air bag inflation, all maintenance must be performed by
an authorized NISSAN/INFINITI dealer.

• Improper maintenance, including incorrect removal and installation of the SRS, can lead to personal

injury caused by unintentional activation of the system. For removal of Spiral Cable and Air Bag
Module, see “SRS AIR BAG”.

• Never use electrical test equipment on any circuit related to the SRS unless instructed to in this Ser-

vice Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or harness
connectors.

PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS

WARNING:

Always observe the following items for preventing accidental activation.
• When working near the Air Bag Diagnosis Sensor Unit or other Air Bag System sensors with the

ignition ON or engine running, never use air or electric power tools or strike near the sensor(s) with
a hammer. Heavy vibration could activate the sensor(s) and deploy the air bag(s), possibly causing
serious injury.

• When using air or electric power tools or hammers, always switch the ignition OFF, disconnect the

battery, and wait at least 3 minutes before performing any service.

Service Procedure Precautions for Models with a Pop-up Roll Bar

INFOID:0000000007362488

WARNING:

Always observe the following items for preventing accidental activation.
• Risk of passenger injury or death may increase if the pop-up roll bar does not deploy during a roll

over collision. In order to reduce the chance of an incident where the pop-up roll bar is inoperative,
all maintenance must be performed by a NISSAN or INFINITI dealer.

• Before removing and installing the pop-up roll bar component parts and harness, always turn the

ignition switch OFF, disconnect the battery negative terminal, and wait for 3 minutes or more. (The
purpose of this operation is to discharge electricity that is accumulated in the auxiliary power supply
circuit in the air bag diagnosis sensor unit.)

• When repairing, removing, and installing a pop-up roll bar, always refer to SRS AIR BAG and SRS

AIR BAG CONTROL warnings in the Service Manual.

Precaution for Battery Service

INFOID:0000000007362489

Before disconnecting the battery, lower both the driver and passenger windows. This will prevent any interfer-
ence between the window edge and the vehicle when the door is opened/closed. During normal operation, the
window slightly raises and lowers automatically to prevent any window to vehicle interference. The automatic
window function will not work with the battery disconnected.

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PRECAUTIONS

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Precaution for Procedure without Cowl Top Cover

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When performing the procedure after removing cowl top cover, cover
the lower end of windshield with urethane, etc to prevent damage to
windshield.

PIIB3706J

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PREPARATION

PREPARATION

PREPARATION

Special Service Tools

INFOID:0000000006937881

The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.

Commercial Service Tools

INFOID:0000000006937882

Tool number
(Kent-Moore No.)
Tool name

Description

(J-39570)
Chassis ear

Locates the noise

(J-43980)
NISSAN Squeak and Rat-
tle Kit

Repairs the cause of noise

SIIA0993E

SIIA0994E

Tool name

Description

Engine ear

Locates the noise

Suction lifter

Holds the windshield glass, side window 
glass, back door window glass and door 
glass

Remover tools

Removes the clips, pawls and metal clips

SIIA0995E

PIIB1805J

JMKIA3050ZZ

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SQUEAK AND RATTLE TROUBLE DIAGNOSES

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SYMPTOM DIAGNOSIS

SQUEAK AND RATTLE TROUBLE DIAGNOSES

Work Flow

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CUSTOMER INTERVIEW

Interview the customer if possible, to determine the conditions that exist when the noise occurs. Use the Diag-
nostic Worksheet during the interview to document the facts and conditions when the noise occurs and any
customer comments. Refer to 

GW-9, "Diagnostic Worksheet"

. This information is necessary to duplicate the

conditions that exist when the noise occurs.
• The customer may not be able to provide a detailed description or the location of the noise. Attempt to obtain

all the facts and conditions that exist when the noise occurs (or does not occur).

• If there is more than one noise in the vehicle, perform a diagnosis and repair the noise that the customer is

concerned about. This can be accomplished by performing a test drive with the customer.

• After identifying the type of noise, isolate the noise in terms of its characteristics. The noise characteristics

are provided so that the customer, service adviser, and technician use the same language when describing
the noise.

• Squeak – (Like tennis shoes on a clean floor)

Squeak characteristics include the light contact / fast movement / brought on by road conditions / hard sur-
faces = high-pitched noise / softer surfaces = low-pitched noises / edge to surface = chirping

• Creak – (Like walking on an old wooden floor)

Creak characteristics include firm contact / slow movement/twisting with a rotational movement / pitch
dependent on materials / often brought on by activity.

• Rattle – (Like shaking a baby rattle)

Rattle characteristics include fast repeated contact / vibration or similar movement / loose parts/missing clip
or fastener / incorrect clearance.

• Knock – (Like a knock on a door)

Knock characteristics include hollow sounds / sometimes repeating / often brought on by driver action.

• Tick – (Like a clock second hand)

Tick characteristics include gentle contacting of light materials / loose components / can be caused by driver
action or road conditions.

• Thump – (Heavy, muffled knock noise)

Thump characteristics include softer knock / dull sounds often brought on by activity.

• Buzz – (Like a bumblebee)

Buzz characteristics include high frequency rattle / firm contact.

• Often the degree of acceptable noise level varies depending upon the person. A noise that a technician may

judge as acceptable may be very irritating to a customer.

• Weather conditions, especially humidity and temperature, may have a great effect on noise level.

DUPLICATE THE NOISE AND TEST DRIVE

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SQUEAK AND RATTLE TROUBLE DIAGNOSES

If possible, drive the vehicle with the customer until the noise is duplicated. Note any additional information on
the Diagnostic Worksheet regarding the conditions or location of the noise. This information can be used to
duplicate the same conditions when the repair is reconfirmed.
If the noise can be duplicated easily during the test drive, do the following with the vehicle stopped to help
identify the source of the noise.
1) Close a door.
2) Tap or push/pull around the area where the noise appears to be coming from.
3) Rev the engine.
4) Use a floor jack to recreate vehicle “twist”.
5) At idle, apply engine load (electrical load, half-clutch on M/T models, drive position on A/T models).
6) Raise the vehicle on a hoist and hit a tire with a rubber hammer.
• Drive the vehicle and attempt to duplicate the conditions the customer states exist when the noise occurs.
• If it is difficult to duplicate the noise, drive the vehicle slowly on an undulating or rough road to stress the

vehicle body.

CHECK RELATED SERVICE BULLETINS

After verifying the customer concern or symptom, check ASIST for Technical Service Bulletins (TSBs) related
to the concern or symptom.
If a TSB relates to the symptom, follow the procedure to repair the noise.

LOCATE THE NOISE AND IDENTIFY THE ROOT CAUSE

1.

Narrow down the noise to a general area. To help pinpoint the source of the noise, use a listening tool
(Chassis ear: J-39570, engine ear, and mechanics stethoscope).

2.

Narrow down the noise to a more specific area and identify the cause of the noise by:

• Removing the component(s) in the area(s) that is / are suspected to be the cause of the noise.

Do not use too much force when removing clips and fasteners, otherwise clips and fasteners can be broken
or lost during the repair, creating a new noise.

• Tapping or pushing/pulling the component(s) that is / are suspected to be the cause of the noise.

Do not tap or push/pull the component(s) with excessive force, otherwise the noise is eliminated only tempo-
rarily.

• Feeling for a vibration by hand by touching the component(s) that is / are suspected to be the cause of the

noise.

• Placing a piece of paper between components that are suspected to be the cause of the noise.
• Looking for loose components and contact marks.

Refer to 

GW-7, "Inspection Procedure"

.

REPAIR THE CAUSE

• If the cause is a loose component, tighten the component securely.
• If the cause is insufficient clearance between components:
- Separate components by repositioning or loosening and retightening the components, if possible.
- Insulate components with a suitable insulator such as urethane pads, foam blocks, felt cloth tape, or ure-

thane tape. A NISSAN Squeak and Rattle Kit (J-43980) is available through the authorized NISSAN Parts
Department.

CAUTION:

Never use excessive force as many components are constructed of plastic and may be damaged.
NOTE:
Always check with the Parts Department for the latest parts information.
The following materials are contained in the NISSAN Squeak and Rattle Kit (J-43980). Each item can be
ordered separately as needed.
URETHANE PADS [1.5 mm (0.059 in) thick]
Insulates connectors, harness, etc.
• 76268-9E005: 100

×

135 mm (3.937

×

5.315 in)

• 76884-71L01: 60

×

85 mm (2.362

×

3.346 in)

• 76884-71L02: 15

×

25 mm (0.591

×

0.984 in)

INSULATOR (Foam blocks)
Insulates components from contact. Can be used to fill space behind a panel.
• 73982-9E000: 45 mm (1.772 in) thick, 50

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50 mm (1.969

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1.969 in)

• 73982-50Y00: 10 mm (0.394 in) thick, 50

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50 mm (1.969

×

1.969 in)

INSULATOR (Light foam block)
80845-71L00: 30 mm (1.18 in) thick, 30

×

50 mm (1.181

×

1.969in)

FELT CLOTHTAPE

Revision: 2012 March

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