Nissan Pathfinder (2009 year). Manual - part 80

AV-452

< PRECAUTION >

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PRECAUTIONS

PRECAUTION

PRECAUTIONS

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

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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 SR and SB section of this Service Man-
ual.

WARNING:

• To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death in

the event of a collision which 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 the SR section.

• Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this

Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or har-
ness connectors.

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

WARNING:

• When working near the Airbag Diagnosis Sensor Unit or other Airbag System sensors with the Igni-

tion ON or engine running, DO NOT 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.

Precaution Necessary for Steering Wheel Rotation After Battery Disconnect

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NOTE:
• This Procedure is applied only to models with Intelligent Key system and NATS (NISSAN ANTI-THEFT SYS-

TEM).

• Remove and install all control units after disconnecting both battery cables with the ignition knob in the

″

LOCK

″

 position.

• Always use CONSULT-III to perform self-diagnosis as a part of each function inspection after finishing work.

If DTC is detected, perform trouble diagnosis according to self-diagnostic results.

For models equipped with the Intelligent Key system and NATS, an electrically controlled steering lock mech-
anism is adopted on the key cylinder.
For this reason, if the battery is disconnected or if the battery is discharged, the steering wheel will lock and
steering wheel rotation will become impossible.
If steering wheel rotation is required when battery power is interrupted, follow the procedure below before
starting the repair operation.

OPERATION PROCEDURE

1.

Connect both battery cables.
NOTE:
Supply power using jumper cables if battery is discharged.

2.

Use the Intelligent Key or mechanical key to turn the ignition switch to the 

″

ACC

″

 position. At this time, the

steering lock will be released.

3.

Disconnect both battery cables. The steering lock will remain released and the steering wheel can be
rotated.

4.

Perform the necessary repair operation.

2009 Pathfinder

AV

PRECAUTIONS

AV-453

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5.

When the repair work is completed, return the ignition switch to the 

″

LOCK

″

 position before connecting

the battery cables. (At this time, the steering lock mechanism will engage.)

6.

Perform a self-diagnosis check of all control units using CONSULT-III. 

Precaution for Trouble Diagnosis

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AV COMMUNICATION SYSTEM

• Do not apply voltage of 7.0 V or higher to the measurement terminals.
• Use the tester with its open terminal voltage being 7.0 V or less.
• Be sure to turn ignition switch OFF and disconnect the battery cable from the negative terminal before

checking the circuit.

Precaution for Harness Repair

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AV COMMUNICATION SYSTEM

• Solder the repaired parts, and wrap with tape. [Frays of twisted line

must be within 110 mm (4.33 in).]

• Do not perform bypass wire connections for the repair parts. (The

spliced wire will become separated and the characteristics of
twisted line will be lost.)

PKIA0306E

PKIA0307E

2009 Pathfinder

AV-454

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PREPARATION

PREPARATION

PREPARATION

Commercial Service Tools

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Tool name

Description

Power tool

Loosening bolts and nuts

PBIC0191E

2009 Pathfinder

AV

AV CONTROL UNIT

AV-455

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ON-VEHICLE REPAIR

AV CONTROL UNIT

Removal and Installation

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AUDIO UNIT 

1.

Cluster lid C

2.

AV switch assembly

3.

AV control unit

4.

AV control unit brackets

5.

Tuner knob switch

6.

AC switch assembly

7.

Volume knob switch

8.

Volume knob

9.

Temp knobs RH and LH

10. Enter button

11.

Tuner knob

ALNIA0361ZZ

2009 Pathfinder

AV-456

< ON-VEHICLE REPAIR >

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AV CONTROL UNIT

CAUTION:

Only remove and replace the A/C or AV switch assembly knobs if damaged or missing. The knobs
must not be removed from switches when removing and installing the A/C or AV switch assembly to
prevent damage to the switch assembly.

REMOVAL

1.

Disconnect the battery negative terminal.

2.

Remove the cluster lid C. Refer to 

IP-11, "Removal and Installation"

.

3.

Remove the AV control unit screws, using a power tool.

4.

Remove the AV control unit.

5.

Remove the A/C and AV switch assembly screws, then remove the A/C and AV switch assemblies as nec-
essary.

INSTALLATION

Installation is in the reverse order of removal.

2009 Pathfinder

AV

DISPLAY UNIT

AV-457

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DISPLAY UNIT

Removal and Installation

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REMOVAL

1.

Remove Cluster lid C. Refer to 

IP-11, "Removal and Installation"

.

2.

Remove the display unit screws (A). 

3.

Pull out the display unit (1), then disconnect the display unit con-
nectors and remove the display unit (1).

4.

Remove the A/C auto amp.screws (A), remove the (C103) fas-
teners (B) from the display unit assembly brackets and remove
the A/C auto amp. (1).

5.

Remove the display unit bracket unit screws (C) and remove the
display unit brackets (2).

INSTALLATION

Installation is in reverse order of removal.

ALNIA0358ZZ

ALNIA0359ZZ

2009 Pathfinder

AV-458

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FRONT TWEETER

FRONT TWEETER

Removal and Installation

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REMOVAL

CAUTION:

Use a suitable tool to prevent damage to the front tweeter speaker grille trim and the instrument panel.

1.

Remove the front tweeter grille.

2.

Remove the front tweeter screws (A).

3.

Pull out the front tweeter speaker (1) and disconnect front
tweeter connector, then remove the front tweeter speaker (1).

INSTALLATION

Installation is in the reverse order of removal.

ALNIA0344ZZ

2009 Pathfinder

AV

FRONT DOOR SPEAKER

AV-459

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FRONT DOOR SPEAKER

Removal and Installation

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REMOVAL

1.

Remove the front door finisher. Refer to 

INT-14, "Removal and Installation"

.

2.

Remove the front door speaker screws (A).

3.

Pull out the front door speaker (1), and disconnect the front door
speaker connector and remove the front door speaker (1).

INSTALLATION

Installation is in the reverse order of removal.

ALNIA0347ZZ

2009 Pathfinder