Nissan Pathfinder (2012 year). Manual — part 434
HAC-194
< PRECAUTION >
[MANUAL AIR CONDITIONER]
PRECAUTIONS
SERVICE HOSES
Be certain that the service hoses display the markings described
(colored hose with black stripe). All hoses must include positive shut-
off devices (either manual or automatic) near the end of the hoses
opposite the manifold gauge.
SERVICE COUPLERS
Never attempt to connect HFC-134a (R-134a) service couplers to a
CFC-12 (R-12) A/C system. The HFC-134a (R-134a) couplers will
not properly connect to the CFC-12 (R-12) system. However, if an
improper connection is attempted, discharging and contamination
may occur.
RHA272D
Shut-off valve rotation
A/C service valve
Clockwise
Open
Counterclockwise
Close
RHA273D
August 2012
2012 Pathfinder
HRN-1
DRIVER CONTROLS
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SECTION
HRN
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B
HRN
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CONTENTS
HORN
PRECAUTION . . . . . . . . . . . ...
PRECAUTIONS . . . . . . . . . . . . ...
Precaution Necessary for Steering Wheel Rota-
tion After Battery Disconnect . . . . . . . . .....
WIRING DIAGRAM . . . . . . . . . ...
HORN . . . . . . . . . . . . . . . . .
Wiring Diagram . . . . . . . . . . . . . . .
REMOVAL AND INSTALLATION . . . .
HORN . . . . . . . . . . . . . . . . .
Removal and Installation . . . . . . . . . . ..
August 2012
2012 Pathfinder
HRN-2
< PRECAUTION >
PRECAUTIONS
PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000007355352
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
INFOID:0000000007355353
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 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.
August 2012
2012 Pathfinder
PRECAUTIONS
HRN-3
< PRECAUTION >
C
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A
B
HRN
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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.
August 2012
2012 Pathfinder
HRN-4
< WIRING DIAGRAM >
HORN
WIRING DIAGRAM
HORN
Wiring Diagram
INFOID:0000000007355354
ABLWA1600GB
August 2012
2012 Pathfinder
HORN
HRN-5
< WIRING DIAGRAM >
C
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F
G
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A
B
HRN
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ABLIA0566GB
August 2012
2012 Pathfinder
HRN-6
< WIRING DIAGRAM >
HORN
ABLIA3371GB
August 2012
2012 Pathfinder
HORN
HRN-7
< REMOVAL AND INSTALLATION >
C
D
E
F
G
H
I
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K
M
A
B
HRN
N
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P
REMOVAL AND INSTALLATION
HORN
Removal and Installation
INFOID:0000000007355355
REMOVAL
1. Remove the front grille. Refer to
EXT-20, "Removal and Installation"
2. Remove the horn bolt (A).
3. Disconnect the horn harness connector (B) and remove the horn
(1).
INSTALLATION
Installation is in the reverse order of removal.
ALKIA1738GB
August 2012
2012 Pathfinder
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