Nissan Pathfinder (2009 year). Manual — part 574
SEC-14
< FUNCTION DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
NVIS (NISSAN VEHICLE IMMOBILIZER SYSTEM-NATS)
- Mechanical key
- Intelligent Key unit
- Remote keyless entry receiver
- Steering lock solenoid
• NATS trouble diagnosis, system initialization and additional registration of other mechanical key IDs must be
carried out using CONSULT-III.
When NATS initialization has been completed, the ID of the inserted mechanical key or mechanical key IDs
can be carried out.
• Possible symptom of NATS malfunction is “Engine cannot start”. Identify the possible causes according to
“Work Flow”, Refer to
.
• If ECM other than Genuine NISSAN is installed, the engine cannot be started. For ECM replacement proce-
dure, refer to
SEC-8, "ECM RE-COMMUNICATING FUNCTION : Description"
PRECAUTIONS FOR KEY REGISTRATION
• The key registration is a procedure that erases the current NATS ID once, and then re-registers a new ID.
Therefore the registered Intelligent Key is necessary for this procedure. Before starting the registration oper-
ation collect all registered Intelligent Keys from the customer.
• The NATS ID registration is the procedure that registers the ID stored into the transponder (integrated in
mechanical key) to BCM.
The Intelligent Key ID registration is the procedure that registers the ID to Intelligent Key unit.
• When performing the Intelligent Key system registration only, the engine cannot be started by inserting the
key into the key cylinder. When performing the NATS registration only, the engine cannot be started by using
the mechanical key.
SECURITY INDICATOR
• Always flashes with ignition knob released (ignition knob switch: LOCK) condition on ignition knob LOCK
position.
• Always flashes with ignition knob released (ignition knob switch: LOCK) condition on mechanical key
removed position.
MAINTENANCE INFORMATION
CAUTION:
It is necessary to perform NATS ID registration when replacing any of the following part.
If it's not (or fail to do so), the electrical system may not operate properly.
• Intelligent Key unit
• BCM
• ECM
• Mechanical key
• Steering lock solenoid
• NATS antenna amp.
2009 Pathfinder
NVIS (NISSAN VEHICLE IMMOBILIZER SYSTEM-NATS)
SEC-15
< FUNCTION DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
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Component Parts Location
INFOID:0000000003938423
Component Description
INFOID:0000000003938424
1.
Key switch and ignition knob switch
M66
2.
Steering lock solenoid M65
(view with steering column removed)
3.
Remote keyless entry receiver M67
(view with glove box removed)
4.
BCM M18, M20
(view with instrument panel LH re-
moved)
5.
Intelligent Key unit M164
(view with glove box removed)
6.
ECM E16
7.
IPDM E/R E121
(view with cover removed)
8.
NATS antenna amp. M21
9.
Combination meter M24
10.
Security indicator lamp
ALKIA1269ZZ
Item
Function
Intelligent Key unit
Receives lock/unlock signal from remote keyless entry receiver, and then transmits to BCM.
BCM
Controls the door lock function and room lamp function.
Remote keyless entry receiver
Receives lock/unlock signal from the Intelligent Key, and then transmits to Intelligent Key unit.
Intelligent Key
Transmits button operation to remote keyless entry receiver.
Steering lock solenoid
Locks the steering wheel when the ignition key is off and the Intelligent Key is outside the vehicle.
NATS antenna amp.
Detects the mechanical key presence in the ignition key cylinder.
2009 Pathfinder
SEC-16
< FUNCTION DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
NVIS (NISSAN VEHICLE IMMOBILIZER SYSTEM-NATS)
Security indicator
Indicates the status of the security system.
IPDM E/R
Monitors the ignition switch and the park switch signal from the TCM.
Item
Function
2009 Pathfinder
VEHICLE SECURITY SYSTEM
SEC-17
< FUNCTION DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
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VEHICLE SECURITY SYSTEM
System Diagram
INFOID:0000000003938425
System Description
INFOID:0000000003938426
DESCRIPTION
The security system provides an audible and visual alarm when an unauthorized access to the vehicle is
detected while the system is in armed phase.
The security system consist of the BCM managing the audible alarm (horn) and the visual alarm (headlamps).
OPERATION FLOW
Disarmed Phase
When the vehicle is being driven or when doors are open, the theft warning system is set in the disarmed
phase on the assumption that the owner is inside or near the vehicle.
Pre-Armed Phase And Armed Phase
The vehicle security system turns into the pre-armed phase when ignition switch is in OFF position, all doors
including glass hatch are closed and locked (using Intelligent Key, door request switch or auto relock function).
The system automatically shifts into the armed phase.
Condition of Activating The System
When the following condition is performed in armed phase, the system sounds the horns and flashes the
headlamps for about 50 seconds.
• Any door is opened.
ALKIA0709GB
PIIA1367E
2009 Pathfinder
SEC-18
< FUNCTION DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
VEHICLE SECURITY SYSTEM
Condition of Deactivating The System
When one of the following operations is performed, the armed phase is canceled.
• Unlock the doors with Intelligent Key or door request switch.
• Use the mechanical key to unlock the driver door using the door key cylinder.
Component Parts Location
INFOID:0000000003938427
1.
BCM M18, M19, M20
(view with instrument panel LH re-
moved)
2.
IPDM E/R E122, E123, E124
(view with cover removed)
3.
Horn relay H-1
4.
Main power window and door lock/
unlock switch D7, D8
5.
Front door switch LH B8
RH B108
6.
Front door lock assembly LH (key cylin-
der switch) D14
7.
Power window and door lock/unlock
switch RH D105
8.
Rear door switch LH B18
RH B116
9.
Glass hatch ajar switch D503
10. Back door latch (door ajar switch)
D502
Glass hatch ajar switch D503
11. Horn E3
(behind front combination lamp LH)
12. Combination meter M24
13. Security indicator lamp
ALKIA1718ZZ
2009 Pathfinder
VEHICLE SECURITY SYSTEM
SEC-19
< FUNCTION DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
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Component Description
INFOID:0000000003938428
Item
Function
BCM
Controls the door lock function and room lamp function.
Door switch
Provides the BCM with the status of each monitored door.
Security indicator
Indicates the status of the security system.
IPDM E/R
Controls the horn and headlamp operation.
Horn
Sounds when the vehicle security system is triggered.
2009 Pathfinder
SEC-20
< FUNCTION DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
DIAGNOSIS SYSTEM (BCM)
DIAGNOSIS SYSTEM (BCM)
COMMON ITEM
COMMON ITEM : CONSULT-III Function (BCM - COMMON ITEM)
INFOID:0000000004432071
APPLICATION ITEM
CONSULT-III performs the following functions via CAN communication with BCM.
SYSTEM APPLICATION
BCM can perform the following functions for each system.
NOTE:
It can perform the diagnosis modes except the following for all sub system selection items.
1: With remote keyless entry system
2: With Intelligent Key
IMMU
Diagnosis mode
Function Description
WORK SUPPORT
Changes the setting for each system function.
SELF-DIAG RESULTS
Displays the diagnosis results judged by BCM. Refer to
CAN DIAG SUPPORT MNTR
Monitors the reception status of CAN communication viewed from BCM.
DATA MONITOR
The BCM input/output signals are displayed.
ACTIVE TEST
The signals used to activate each device are forcibly supplied from BCM.
ECU IDENTIFICATION
The BCM part number is displayed.
CONFIGURATION
• Enables to read and save the vehicle specification.
• Enables to write the vehicle specification when replacing BCM.
System
Sub system selection item
Diagnosis mode
WORK SUPPORT
DATA MONITOR
ACTIVE TEST
BCM
BCM
×
Door lock
DOOR LOCK
×
×
×
Rear window defogger
REAR DEFOGGER
×
×
Warning chime
BUZZER
×
×
Interior room lamp timer
INT LAMP
×
×
×
Remote keyless entry system
1
MULTI REMOTE ENT
×
×
×
Exterior lamp
HEAD LAMP
×
×
×
Wiper and washer
WIPER
×
×
×
Turn signal and hazard warning lamps
FLASHER
×
×
Air conditioner
AIR CONDITONER
×
Intelligent Key system
2
INTELLIGENT KEY
×
Combination switch
COMB SW
×
Immobilizer
IMMU
×
×
Interior room lamp battery saver
BATTERY SAVER
×
×
×
Back door open
TRUNK
×
×
Theft alarm
THEFT ALM
×
×
×
RAP (retained accessory power)
RETAINED PWR
×
×
×
Signal buffer system
SIGNAL BUFFER
×
×
TPMS (tire pressure monitoring sys-
tem)
AIR PRESSURE MONITOR
×
×
×
Vehicle security system
PANIC ALARM
×
2009 Pathfinder
DIAGNOSIS SYSTEM (BCM)
SEC-21
< FUNCTION DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
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IMMU : CONSULT-III Function (BCM - IMMU)
INFOID:0000000004432072
DATA MONITOR
ACTIVE TEST
THEFT ALM
THEFT ALM : CONSULT-III Function (BCM - THEFT ALM)
INFOID:0000000004432073
WORK SUPPORT
DATA MONITOR
Monitor Item
[Unit]
Description
IGN ON SW [ON/OFF]
Indicates condition of ignition switch in ON position.
Test Item
Description
THEFT IND
This test is able to check security indicator operation [ON/OFF].
Test Item
Description
SECURITY ALARM SET
This mode is able to confirm and change security alarm ON-OFF setting.
THEFT ALM TRG
The switch which triggered vehicle security alarm is recorded. This mode is able to confirm and
erase the record of vehicle security alarm. The trigger data can be erased by touching “CLEAR” on
CONSULT-III screen.
Monitor Item
[Unit]
Description
IGN ON SW [ON/OFF]
Indicates ignition switch (ON) status judged from IGN signal (ignition power supply)
ACC ON SW [ON/OFF]
Indicates ignition switch (ACC) status judged from ACC signal (accessory power supply)
KEYLESS PSD R [ON/OFF]
NOTE:
This is displayed even when it is not equipped
KEYLESS PSD L [ON/OFF]
NOTE:
This is displayed even when it is not equipped
KEYLESS PBD [ON/OFF]
NOTE:
This is displayed even when it is not equipped
I-KEY LOCK
1
[ON/OFF]
Inicates lock signal status recieved from Intelligent Key unit by CAN communication
I-KEY UNLOCK
1
[ON/OFF]
Inicates unlock signal status recieved from Intelligent Key unit by CAN communication
I-KEY TRUNK
1
[ON/OFF]
Indicates condition of back door opener switch
KEYLESS LOCK
2
[ON/OFF]
Indicates lock signal status recieved from remote keyless entry reciever (integrated in the BCM)
KEYLESS UNLOCK
2
[ON/OFF]
Indicates unlock signal status recieved from remote keyless entry reciever (integrated in the BCM)
TRNK OPENER SW [ON/OFF]
Indicates switch status of back door opener switch
TRUNK CYL SW [ON/OFF]
NOTE:
This is displayed even when it is not equipped
TRNK OPN MNTR [ON/OFF]
Indicates switch status of back door latch
DOOR SW-DR [ON/OFF]
Indicates switch status input from front door switch LH
DOOR SW-AS [ON/OFF]
Indicates switch status input from front door switch RH
DOOR SW-RR [ON/OFF]
Indicates switch status input from rear door switch RH
DOOR SW-RL [ON/OFF]
Indicates switch status input from rear door switch LH
BACK DOOR SW [ON/OFF]
Indicates switch status input from back door switch
KEY CYL LK-SW [ON/OFF]
Indicates lock switch status from door key cylinder switch
2009 Pathfinder
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