Nissan Pathfinder (2012 year). Instruction — part 165
DOOR LOCK FUNCTION
DLK-215
< SYSTEM DESCRIPTION >
[WITHOUT INTELLIGENT KEY SYSTEM]
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DOOR LOCK FUNCTION
DOOR LOCK AND UNLOCK SWITCH
DOOR LOCK AND UNLOCK SWITCH : System Diagram
INFOID:0000000007355557
DOOR LOCK AND UNLOCK SWITCH : System Description
INFOID:0000000007355558
DOOR LOCK FUNCTION
Functions Available by Operating the Door Lock and Unlock Switches on Driver Door and Passenger Door
• Interlocked with the locking operation of door lock and unlock switch, door lock actuators of all doors are
locked, back door opener switch is disabled, and mechanical glass hatch switch is disabled.
• Interlocked with the unlocking operation of door lock and unlock switch, door lock actuators of all doors are
unlocked, back door opener switch is enabled, and mechanical glass hatch switch is enabled.
• Provided the passenger front door is unlocked, when the back door opener switch is pressed, the BCM ter-
minal 30 receives signal from the back door opener switch terminal 1, through terminal 2, to front door lock
assembly RH (door unlock sensor) terminal 1, through terminal 3, to ground.
• When the BCM receives the signal, if the back door operating enable conditions are met, it sends a signal
through terminal 53 to open the back door latch.
Functions Available by Operating the Key Cylinder Switch on Driver Door
• Interlocked with the locking operation of door key cylinder, door lock actuators of all doors are locked, back
door opener switch is disabled, and mechanical glass hatch switch is disabled.
Selective Unlock Operation
• When door key cylinder is unlocked, door lock actuator driver side is unlocked.
• When door key cylinder is unlocked for the second time within 5 seconds after the first operation, door lock
actuators on all doors are unlocked.
Select unlock operation mode can be changed using DOOR LOCK-UNLOCK SET mode in “WORK SUP-
PORT”. Refer to
BCS-17, "DOOR LOCK : CONSULT Function (BCM - DOOR LOCK)"
.
Key Reminder System
DLK-259, "Diagnosis Procedure"
ALKIA0178GB
Switch
Input/output signal to BCM
BCM function
Actuator
Main power window and door
lock/unlock switch
Door lock/unlock signal
Door lock/unlock control
Door lock actuator
Power window and door lock/
unlock switch
Door key cylinder switch
August 2012
2012 Pathfinder
2012 Pathfinder
DLK-216
< SYSTEM DESCRIPTION >
[WITHOUT INTELLIGENT KEY SYSTEM]
DOOR LOCK FUNCTION
DOOR LOCK AND UNLOCK SWITCH : Component Parts Location
INFOID:0000000007355559
DOOR LOCK AND UNLOCK SWITCH : Component Description
INFOID:0000000007355560
1.
Key switch M27
2.
BCM M18, M19, M20
3.
Front door lock assembly LH (key
cylinder switch) D14
Front door lock assembly RH (door
lock actuator) D119
Front door lock assembly RH (door
unlock sensor) D103
4.
Main power window and door lock/un-
lock switch D7, D8
5.
Front door switch LH B8
RH B108
6.
Rear door switch LH B18
RH B116
7.
Power window and door lock/unlock
switch RH D105
8.
Back door opener switch D510
9.
Back door latch (door ajar switch)
D502
10. Rear door lock actuator LH D205
RH D305
11. Combination meter M24
ALKIA1700ZZ
Item
Function
BCM
Controls the door lock function and room lamp function.
Door lock and unlock switch
Transmits lock or unlock signal to BCM.
August 2012
2012 Pathfinder
2012 Pathfinder
DOOR LOCK FUNCTION
DLK-217
< SYSTEM DESCRIPTION >
[WITHOUT INTELLIGENT KEY SYSTEM]
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REMOTE KEYLESS ENTRY
REMOTE KEYLESS ENTRY : System Diagram
INFOID:0000000007355561
REMOTE KEYLESS ENTRY : System Description
INFOID:0000000007355562
OPERATED PROCEDURE
• When the keyfob is operated, the signal from the keyfob is sent and the remote keyless entry receiver
receives the signal and sends it to the BCM. The BCM only locks/unlocks the doors if the ID number
matches. (Remote control entry functions)
• Using the keyfob, the transmitter sends radio waves to the remote keyless entry receiver, which then sends
the received waves to the BCM. Only if the ID number matches does the BCM lock/unlock the doors.
(Remote control door function)
• Unless the key is inserted into the ignition key cylinder or one of the doors is opened within 1 minute after the
UNLOCK switch on the keyfob is pressed, all the doors are automatically locked. (Auto lock function)
• When a door is locked or unlocked, the vehicle turn signal lamps flash and the horn sounds to verify opera-
tion. (Active check function)
• When the key is in the ignition key cylinder (when the key switch is ON) and one of the doors is open, the
door lock function does not work even when the door lock is operated with the keyfob.
• Keyfob ID set up is available.
• If a keyfob is lost, a new keyfob can be set up. A maximum of 5 IDs can be set up simultaneously.
REMOTE CONTROL ENTRY FUNCTIONS
• When a button on the keyfob is operated, the signal is sent from the keyfob and received by the remote key-
less entry receiver.
• The received signal is sent to the BCM and compared with the registered ID number.
• If the ID number matches, the BCM sends the lock/unlock signal to each door lock actuator.
• When the door lock actuators receive this signal, each operates to lock/unlock its door.
• BCM locks all doors with input of LOCK signal from keyfob.
• When an UNLOCK signal is sent from keyfob once, driver's door will be unlocked.
• Then, if an UNLOCK signal is sent from keyfob again within 5 seconds, all other doors will be unlocked.
REMOTE CONTROL ENTRY OPERATION CONDITIONS
Door lock actuator
Receives lock/unlock signal from BCM and locks/unlocks each door.
Door switch
Transmits door open/close condition to BCM.
Item
Function
ALKIA1171GB
Keyfob operation
Operation condition
Door lock operation (locking)
• With key removed (key switch: OFF)
• Closing all doors (door switch: OFF)
Door lock operation (unlocking)
With key removed (key switch: OFF)
August 2012
2012 Pathfinder
2012 Pathfinder
DLK-218
< SYSTEM DESCRIPTION >
[WITHOUT INTELLIGENT KEY SYSTEM]
DOOR LOCK FUNCTION
AUTO RELOCK FUNCTION
Operation Description
• Unless the key is inserted into the ignition key cylinder, one of the doors is opened, or the keyfob is operated
within 1 minute after a door lock is unlocked by keyfob operation, all the doors are automatically locked.
The 1 minute timer count is executed by the BCM and after 1 minute, the BCM sends the lock signal to all
doors.
Lock operations are the same as for the remote control entry function.
ACTIVE CHECK FUNCTION
Operation Description
When a door is locked or unlocked by keyfob operation, the vehicle turn signals flash and the horn sounds to
verify operation.
• When a button on the keyfob is operated, the signal is sent from the remote controller and received by the
keyless remote entry receiver.
• The received signal is sent to the BCM and compared with the registered ID number.
• If the ID number matches, the BCM uses communication to send the turn signal flashing and horn signal to
the IPDM E/R.
• The IPDM E/R flashes the turn signal lamps and sounds the horn for each keyfob operation.
Operating function of hazard and horn reminder
HAZARD AND HORN REMINDER
BCM output to IPDM E/R for horn reminder signal as DATA LINE (CAN-H line and CAN-L line).
The hazard and horn reminder has C mode (horn chirp mode) and S mode (non-horn chirp mode).
How to change hazard and horn reminder mode
With CONSULT
Hazard and horn reminder can be changed using “WORK SUPPORT” mode in “MULTI ANSWER BACK SET".
Without CONSULT
Refer to Owner's Instruction for instructions.
INTERIOR LAMP OPERATION
When the following input signals are both supplied:
• all door switches are in the OFF position. (when all the doors are closed);
• interior lamp switch is in DOOR position.
Remote keyless entry system turns on interior lamp and ignition keyhole illumination (for 30 seconds) with
input of UNLOCK signal from keyfob.
PANIC ALARM OPERATION
When key switch is OFF (when ignition key is not inserted in key cylinder), remote keyless entry system turns
on and off horn and headlamp intermittently with input of PANIC ALARM signal from keyfob.
The alarm automatically turns off after 25 seconds or when BCM receives any signal from keyfob.
KEYLESS POWER WINDOW DOWN (OPEN) OPERATION
When keyfob unlock switch is turned ON with ignition switch OFF, and the switch is detected to be ON contin-
uously for more than 3 second, the driver's door and passenger's door power windows are simultaneously
opened.
Power window is operated to open and the operation continues as long as the keyfob unlock switch is
pressed.
C mode
S mode
Keyfob operation
Lock
Unlock
Lock
Unlock
Hazard warning lamp
flash
Twice
Once
Twice
—
Horn sound
Once
—
—
—
August 2012
2012 Pathfinder
2012 Pathfinder
DOOR LOCK FUNCTION
DLK-219
< SYSTEM DESCRIPTION >
[WITHOUT INTELLIGENT KEY SYSTEM]
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REMOTE KEYLESS ENTRY : Component Parts Location
INFOID:0000000007355563
REMOTE KEYLESS ENTRY : Component Description
INFOID:0000000007355564
1. IPDM E/R E122, E124
2. Horn relay H-1
(view with cover removed)
3. Horn E3 (behind front combination
lamp LH)
4. Back door cinching latch unit (door ajar
switch) D502
5. Front door switch LH B8
RH B108
6. Rear door switch LH B18
RH B116
7. Remote keyless entry receiver M120
(view with instrument panel RH re-
moved)
8. BCM M18, M19, M20
(view with instrument panel LH removed)
9. Key switch M27
ALKIA1172ZZ
Item
Function
BCM
Controls the door lock function and room lamp function.
Door lock and unlock switch
Transmits lock or unlock signal to BCM.
Door switch
Transmits door open/close condition to BCM.
Remote keyless entry receiver
Receives lock/unlock signal from the keyfob, and then transmits to BCM.
August 2012
2012 Pathfinder
2012 Pathfinder
DLK-220
< SYSTEM DESCRIPTION >
[WITHOUT INTELLIGENT KEY SYSTEM]
HOMELINK UNIVERSAL TRANSCEIVER
HOMELINK UNIVERSAL TRANSCEIVER
Component Description
INFOID:0000000007355565
Item
Function
Reference page
Homelink universal transceiver
A maximum of 3 radio signals can be stored and transmitted to operate
the garage door, etc.
Refer to Owner's
Instruction
August 2012
2012 Pathfinder
2012 Pathfinder
DIAGNOSIS SYSTEM (BCM)
DLK-221
< SYSTEM DESCRIPTION >
[WITHOUT INTELLIGENT KEY SYSTEM]
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DIAGNOSIS SYSTEM (BCM)
COMMON ITEM
COMMON ITEM : CONSULT Function (BCM - COMMON ITEM)
INFOID:0000000007818266
APPLICATION ITEM
CONSULT performs the following functions via CAN communication with BCM.
SYSTEM APPLICATION
BCM can perform the following functions.
Direct Diagnostic Mode
Description
Ecu Identification
The BCM part number is displayed.
Self Diagnostic Result
The BCM self diagnostic results are displayed.
Data Monitor
The BCM input/output data is displayed in real time.
Active Test
The BCM activates outputs to test components.
Work support
The settings for BCM functions can be changed.
Configuration
• The vehicle specification can be read and saved.
• The vehicle specification can be written when replacing BCM.
CAN Diag Support Mntr
The result of transmit/receive diagnosis of CAN communication is displayed.
System
Sub System
Direct Diagnostic Mode
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N Diag
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Door lock
DOOR LOCK
×
×
×
Rear window defogger
REAR DEFOGGER
×
×
Warning chime
BUZZER
×
×
Interior room lamp timer
INT LAMP
×
×
×
Remote keyless entry system
MULTI REMOTE ENT
×
×
×
Exterior lamp
HEAD LAMP
×
×
×
Wiper and washer
WIPER
×
×
×
Turn signal and hazard warning lamps FLASHER
×
×
Air conditioner
AIR CONDITIONER
×
Intelligent Key system
INTELLIGENT KEY
×
Combination switch
COMB SW
×
BCM
BCM
×
×
×
×
×
Immobilizer
IMMU
×
×
×
Interior room lamp battery saver
BATTERY SAVER
×
×
×
Back door open
TRUNK
×
×
Vehicle security system
THEFT ALM
×
×
×
RAP system
RETAINED PWR
×
×
×
Signal buffer system
SIGNAL BUFFER
×
×
TPMS
AIR PRESSURE MONITOR
×
×
×
×
Panic alarm system
PANIC ALARM
×
August 2012
2012 Pathfinder
2012 Pathfinder
DLK-222
< SYSTEM DESCRIPTION >
[WITHOUT INTELLIGENT KEY SYSTEM]
DIAGNOSIS SYSTEM (BCM)
DOOR LOCK
DOOR LOCK : CONSULT Function (BCM - DOOR LOCK)
INFOID:0000000007818267
DATA MONITOR
* : with Intelligent Key
** : without Intelligent Key
ACTIVE TEST
WORK SUPPORT
* : Initial setting
Monitor Item [Unit]
Description
IGN ON SW [On/Off]
Indicates condition of ignition switch ON position.
KEY ON SW [On/Off]
Indicates condition of key switch.
CDL LOCK SW [On/Off]
Indicates condition of lock signal from door lock and unlock switch.
CDL UNLOCK SW [On/Off]
Indicates condition of unlock signal from door lock and unlock switch.
DOOR SW-DR [On/Off]
Indicates condition of front door switch LH.
DOOR SW-AS [On/Off]
Indicates condition of front door switch RH.
DOOR SW-RR [On/Off]
Indicates condition of rear door switch RH.
DOOR SW-RL [On/Off]
Indicates condition of rear door switch LH.
BACK DOOR SW [On/Off]
Indicates condition of back door switch.
KEY CYL LK-SW [On/Off]
Indicates condition of lock signal from door key cylinder switch.
KEY CYL UN-SW [On/Off]
Indicates condition of unlock signal from door key cylinder switch.
I-KEY LOCK* [On/Off]
Indicates condition of lock signal from Intelligent Key.
I-KEY UNLOCK* [On/Off]
Indicates condition of unlock signal from Intelligent Key.
KEYLESS LOCK** [On/Off]
Indicates condition of lock signal from keyfob.
KEYLESS UNLOCK** [On/Off]
Indicates condition of unlock signal from keyfob.
Test Item
Description
DOOR LOCK
This test is able to check door lock operation [OTR ULK/DR UNLK/ALL ULK/ALL LCK].
Support Item
Setting
Description
DOOR LOCK-UNLOCK SET
On*
Automatic door locks function ON.
Off
Automatic door locks function OFF.
ANTI-LOCK OUT SET
Off
Anti lock out function OFF.
On*
Anti lock out function ON.
AUTOMATIC DOOR LOCK SELECT
SHIFT OUT
OF P
Doors lock automatically when shifted out of park (P).
VH SPD*
Doors lock automatically when vehicle speed reaches 24 km/h (15 mph).
AUTOMATIC DOOR UNLOCK
SELECT
MODE6
Drivers door unlocks automatically when key is removed.
MODE5
Drivers door unlocks automatically when shifted into park (P).
MODE4
Drivers door unlocks automatically when ignition is switched from ON to OFF.
MODE3
Doors unlock automatically when key is removed.
MODE2
Doors unlock automatically when shifted into park (P).
MODE1*
Doors unlock automatically when ignition is switched from ON to OFF.
AUTOMATIC LOCK/UNLOCK
SELECT
On*
Automatic lock/unlock function ON.
Off
Automatic lock/unlock function OFF.
August 2012
2012 Pathfinder
2012 Pathfinder
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