Nissan Pathfinder (2012 year). Manual — part 540
VEHICLE SECURITY SYSTEM SYMPTOMS
SEC-109
< SYMPTOM DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
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VEHICLE SECURITY SYSTEM SYMPTOMS
Symptom Table
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*: Check the system is in the armed phase.
Procedure
Diagnostic procedure
Refer to page
Symptom
1
Vehicle security sys-
tem cannot be set by
····
Door switch
Check door switch (LF, RF, LR, RR, back)
Glass ajar switch
Check glass ajar switch
Intelligent Key
Check Intelligent Key system
Key cylinder switch
Check key cylinder switch
—
Check Intermittent Incident
Security indicator does not turn ON.
Check vehicle security indicator
Check Intermittent Incident
2
* Vehicle security
system does not
sound alarm when ····
Any door is opened.
Check door switch (LF, RF, LR, RR, back)
Glass ajar switch
Check glass ajar switch
—
Check Intermittent Incident
3
Vehicle security
alarm does not acti-
vate.
Horn alarm
Check horn switch
Check Intermittent Incident
4
Vehicle security sys-
tem cannot be can-
celed by ····
Intelligent Key
Check Intelligent Key system
Key cylinder switch
Check key cylinder switch
—
Check Intermittent Incident
August 2012
2012 Pathfinder
2012 Pathfinder
SEC-110
< SYMPTOM DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
NISSAN VEHICLE IMMOBILIZER SYSTEM-NATS SYMPTOMS
NISSAN VEHICLE IMMOBILIZER SYSTEM-NATS SYMPTOMS
Symptom Table
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NOTE:
• Before performing the diagnosis in the following table, check “
”.
• Check that vehicle is under the condition shown in “Conditions of vehicle” before starting diagnosis, and
check each symptom.
• If the following symptoms are detected, check systems shown in the “Diagnosis/service procedure” column
in this order.
CONDITIONS OF VEHICLE (OPERATING CONDITIONS)
• Mechanical key is not inserted into key cylinder.
• Ignition knob switch is not depressed.
Symptom
Diagnosis/service procedure
Reference page
Security indicator does not turn ON or flash.
1. Check vehicle security indicator
2. Check Intermittent Incident
August 2012
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2012 Pathfinder
PRECAUTIONS
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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 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
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2012 Pathfinder
SEC-112
< PRECAUTION >
[WITH INTELLIGENT KEY SYSTEM]
PRECAUTIONS
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
2012 Pathfinder
NATS ANTENNA AMP.
SEC-113
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REMOVAL AND INSTALLATION
NATS ANTENNA AMP.
Removal and Installation
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NOTE:
• If NATS antenna amp. is not installed correctly, NVIS (NATS) system will not operate properly and "SELF-
DIAG RESULTS" on CONSULT screen will show "LOCK MODE" or "CHAIN OF IMMU-KEY".
• Initialization is not necessary when only the NATS antenna amp. is replaced with a new one.
REMOVAL
1. Disconnect the battery negative terminal. Refer to
PG-76, "Removal and Installation"
2. Remove cluster lid A. Refer to
IP-14, "Removal and Installation"
3. Remove the bolt, disconnect the electrical connector and
remove the NATS antenna amp (1).
INSTALLATION
Installation is in the reverse order of removal.
AWKIA1316ZZ
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2012 Pathfinder
SEC-114
< REMOVAL AND INSTALLATION >
[WITH INTELLIGENT KEY SYSTEM]
INTELLIGENT KEY UNIT
INTELLIGENT KEY UNIT
Removal and Installation
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REMOVAL
1. Remove the front pillar upper finisher (RH). Refer to
INT-19, "Removal and Installation"
2. Remove the side ventilator grille (RH). Refer to
VTL-34, "Removal and Installation"
3. Remove the lower dash side finisher. Refer to
INT-19, "Removal and Installation"
4. Remove the upper glove box. Refer to
IP-19, "Removal and Installation"
5. Remove the bolt (A), disconnect the harness connector (1), and
remove the intelligent key unit (2).
: Front
INSTALLATION
Installation is in the reverse order of removal.
NOTE:
Perform the system initialization when replacing Intelligent Key unit. Refer to
VICE WHEN REPLACING CONTROL UNIT : Special Repair Requirement"
ALKIA1059ZZ
August 2012
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2012 Pathfinder
REMOTE KEYLESS ENTRY RECEIVER
SEC-115
< REMOVAL AND INSTALLATION >
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REMOTE KEYLESS ENTRY RECEIVER
Removal and Installation
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REMOVAL
1. Remove the front pillar upper finisher (RH). Refer to
INT-19, "Removal and Installation"
2. Remove the side ventilator grille (RH). Refer to
VTL-34, "Removal and Installation"
3. Remove the lower dash side finisher. Refer to
INT-19, "Removal and Installation"
4. Remove the upper glove box. Refer to
IP-19, "Removal and Installation"
5. Remove the bolt (A), disconnect the harness connector (1) and
remove the remote keyless entry receiver (2).
INSTALLATION
Installation is in the reverse order of removal.
AWKIA1480ZZ
August 2012
2012 Pathfinder
2012 Pathfinder
SEC-116
< BASIC INSPECTION >
[WITHOUT INTELLIGENT KEY SYSTEM]
DIAGNOSIS AND REPAIR WORKFLOW
BASIC INSPECTION
DIAGNOSIS AND REPAIR WORKFLOW
Work Flow
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OVERALL SEQUENCE
DETAILED FLOW
ALKIA0538GB
August 2012
2012 Pathfinder
2012 Pathfinder
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