Condition NISSAN TEANA 2008 Service Manual

POWER DOOR LOCK SYSTEM
DLK-13
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Front door lock assembly (unlock sensor) Detects door lock condition of driver door.
Door switch Inputs door open/close condition to BCM.
Key slot Inputs key insert/remove signal to BCM.
Combination meter Receives buzzer signal from BCM via CAN communication line, and sounds the buzzer.
 Transmits vehicle speed signal to CAN communication line.
TCM Transmits shift position signal to BCM via CAN communication line.Item Function

DLK-14
< FUNCTION DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
INTELLIGENT KEY SYSTEM
INTELLIGENT KEY SYSTEM
INTELLIGENT KEY SYSTEM
INTELLIGENT KEY SYSTEM : System DiagramINFOID:0000000003794738
INTELLIGENT KEY SYSTEM : System DescriptionINFOID:0000000003794739
 The Intelligent Key system is a system that makes it possible to lock and unlock the door locks (door lock/
unlock function) by carrying the Intelligent Key, which operates based on the results of electronic ID verifica-
tion using two-way communications between the Intelligent Key and the vehicle (BCM).
CAUTION:
The driver should always carry the Intelligent Key
 The settings for each function can be changed with the CONSULT-III.
 If an Intelligent Key is lost, a new Intelligent Key can be registered. A maximum of 4 Intelligent Keys can be
registered.
 It is possible to perform a diagnosis on the system and register an Intelligent Key with CONSULT-III.
JMKIA2374GB
Function Description Refer
Door lock function Lock/unlock can be performed by pressing the request switch. DLK-17
Remote keyless entry func-
tionLock/unlock can be performed by pressing the remote controller button of the In-
telligent Key. DLK-25
Trunk lid open functionThe trunk lid can be opened by carrying the Intelligent Key and pressing the
trunk lid opener request switch. DLK-21
Key reminder functionThe key reminder buzzer sounds a warning if the door is locked with the key left
inside the vehicle. DLK-28
Warning functionIf an action that does not meet the operating condition of the Intelligent Key sys-
tem is taken, the buzzer sounds to inform the driver.DLK-31
Engine start function The engine be turned on while carrying the Intelligent Key. SEC-9

DLK-16
< FUNCTION DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
INTELLIGENT KEY SYSTEM
INTELLIGENT KEY SYSTEM : Component Description
INFOID:0000000003794741
DOOR LOCK FUNCTION
10. Inside key antenna (instrument cen-
ter) M10511. Inside key antenna (trunk room) B86 12. Outside key antenna (rear bumper)
D85
13. Front outside handle LH (request
switch) D1114. Front outside handle LH
(outside key antenna) D1215. Trunk lid lock assembly
(trunk lid opener actuator) T5
16. Front door switch (driver side) B34
A. Behind the combination meter B. Engine room (LH) C. Behind the instrument lower panel
RH
D. Behind the center console E. Behind the audio unit F. View with rear bumper removed
1. Front door lock assembly (driver
side) D92. Rear door lock assembly LH D85 3. Trunk lid opener request switch T6
A. View with front door finisher removed B. View with rear door finisher removed C. View with trunk lid
JMKIA2376ZZ
Item Function
BCM Controls the Intelligent Key system.
Front door lock assembly (door lock
actuator)Outputs lock/unlock signal from BCM and locks/unlocks each door.
Front door lock assembly (unlock
sensor)Detects door lock condition of driver door.
Door switch Inputs door open/close condition to BCM.
Remote keyless entry receiver Receives lock/unlock signal from the Intelligent Key, and then transmits to BCM.
Request switch Inputs lock/unlock operation to BCM.
Intelligent Key Transmits button operation to remote keyless entry receiver.
Outside key antenna Detects if Intelligent Key is outside the vehicle.
Inside key antenna Detects if Intelligent Key is inside the vehicle.
Intelligent Key warning buzzer Warns the user of the lock/unlock condition and inappropriate operations with the buzzer sound.

INTELLIGENT KEY SYSTEM
DLK-17
< FUNCTION DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
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DOOR LOCK FUNCTION : System DiagramINFOID:0000000003794742
DOOR LOCK FUNCTION : System DescriptionINFOID:0000000003794743
Only when pressing the request switch, it is possible to lock and unlock the door by carrying the Intelligent
Key.
OPERATION DESCRIPTION
 When the BCM detects that each door request switch is pressed, it activates the outside key antenna and
inside key antenna corresponding to the pressed door request switch and transmits the request signal to the
Intelligent Key. And then, check that the Intelligent Key is near the door.
 If the Intelligent Key is within the outside key antenna detection area, it receives the request signal and
transmits the key ID signal to the BCM via remote keyless entry receiver.
 BCM receives the key ID signal and compares it with the registered key ID.
 BCM lock/unlock each door and sounds Intelligent Key warning buzzer (lock: 2 time, unlock: 1 times) at the
same time as a reminder.
OPERATION CONDITION
If the following conditions are satisfied, door lock/unlock operation is performed when the request switch is
operated.
*: Even with a registered Intelligent Key remaining inside the vehicle, door locks can be unlocked from outside of the vehicle with a spare
Intelligent Key as long as key IDs are different.
OUTSIDE KEY ANTENNA DETECTION AREA
JMKIA1993GB
Each request switch operation Operation condition
Lock operation All doors are closed
 Ignition switch is in the OFF position
 Intelligent Key is out of key slot
 Intelligent Key is outside the vehicle
 Intelligent Key is within outside key antenna detection area
Unlock Operation Intelligent Key is outside the vehicle
 Intelligent Key is within outside key antenna detection area *

DLK-18
< FUNCTION DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
INTELLIGENT KEY SYSTEM
The outside key antenna detection area of door lock/unlock function
is in the range of approximately 80 cm (31.50 in) surrounding the
driver and passenger door handles and (1) and trunk lid opener
request switch (2). However, this operating range depends on the
ambient conditions.
HAZARD AND BUZZER REMINDER FUNCTION
During lock, unlock, operation by each request switch, the hazard warning lamps and Intelligent Key warning
buzzer will blink or honk as a reminder.
When doors are locked, unlocked by each request switch, BCM honks Intelligent Key warning buzzer as a
reminder and blinks.
Operating Function of Hazard and Buzzer Reminder
How to Change Hazard and Buzzer Reminder Mode
Refer to SEC-22, "INTELLIGENT KEY : CONSULT-III Function (BCM - INTELLIGENT KEY)".
AUTO DOOR LOCK FUNCTION
When all doors are locked, ignition switch is in OFF position and key switch is OFF (Intelligent Key is not
inserted in key slot). Doors are unlocked with door request switch.
When BCM does not receive the following signals within 60 seconds, all doors are locked.
 Door switch is ON (door is opened)
 Door is locked
 Ignition switch is ON (ignition switch is pressed)
 Key switch is ON (Intelligent Key is inserted in key slot)
Auto door lock mode can be changed by “AUTO LOCK SET” mode in “WORK SUPPORT”. Refer to SEC-22,
"INTELLIGENT KEY : CONSULT-III Function (BCM - INTELLIGENT KEY)".
LIST OF OPERATION RELATED PARTS
The operation related parts are marked with ×.
JMKIA2511ZZ
Operation Hazard warning lamp flash Intelligent Key warning buzzer honk
Unlock Once Once
Lock Twice Twice
Door lock function
Intelligent Key
Key slot
Remote keyless entry receiver
Door switch
Door request switch
Door lock actuator
Inside key antenna
Outside key antenna
Intelligent Key warning buzzer
CAN communication system
BCM
Hazard warning lamp
Push-button ignition switch
Combination meter
Door lock/unlock function by request switch×××××××× ×
Hazard and buzzer reminder function for door lock/un-
lock operation×××× ×
Key reminder function××××××××× ××
Auto door lock function×× ××× × ×

DLK-20
< FUNCTION DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
INTELLIGENT KEY SYSTEM
DOOR LOCK FUNCTION : Component Description
INFOID:0000000003794745
TRUNK OPEN FUNCTION
10. Inside key antenna (instrument cen-
ter) M10511. Inside key antenna (trunk room) B86 12. Outside key antenna (rear bumper)
D85
13. Front outside handle LH (request
switch) D1114. Front outside handle LH
(outside key antenna) D1215. Trunk lid lock assembly
(trunk lid opener actuator) T5
16. Front door switch (driver side) B34
A. Behind the combination meter B. Engine room (LH) C. Behind the instrument lower panel
RH
D. Behind the center console E. Behind the audio unit F. View with rear bumper removed
1. Front door lock assembly (driver
side) D92. Rear door lock assembly LH D85 3. Trunk lid opener request switch T6
A. View with front door finisher removed B. View with rear door finisher removed C. View with trunk lid
JMKIA2376ZZ
Item Function
BCM Controls the door lock function.
Front door lock assembly (door lock
actuator)Output lock/unlock signal from BCM and locks/unlocks each door.
Front door lock assembly (unlock
sensor)Detects door lock condition of driver door.
Door switch Input door open/close condition to BCM.
Remote keyless entry receiver Receives lock/unlock signal from the Intelligent Key, and then transmits to BCM.
Request switch Input lock/unlock operation to BCM.
Intelligent Key Transmits button operation to remote keyless entry receiver.
Outside key antenna Detects if Intelligent Key is outside the vehicle.
Inside key antenna Detects if Intelligent Key is inside the vehicle.
Combination meter Receives hazard warning lamp signal from BCM and blinks turn signal indicators.
Intelligent Key warning buzzer Warns the user of the lock/unlock condition and inappropriate operations with the buzzer sound.

INTELLIGENT KEY SYSTEM
DLK-21
< FUNCTION DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
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TRUNK OPEN FUNCTION : System DiagramINFOID:0000000003794746
TRUNK OPEN FUNCTION : System DescriptionINFOID:0000000003794747
TRUNK LID OPENER
 When the BCM detects that trunk lid opener request switch is pressed, it activates the outside key antenna
(rear bumper) and inside key antenna and transmits the request signal to the Intelligent Key. And then,
check that the Intelligent Key is near the trunk lid.
 If the Intelligent Key is within the outside key antenna detection area, it receives the request signal and
transmits the key ID signal to the BCM via remote keyless entry receiver.
 BCM receives the key ID signal and compares it with the registered key ID.
 BCM opens the trunk lid and sounds Intelligent Key warning buzzer and blinks hazard warning lamp at the
same time as a reminder.
TRUNK LID OPENER OPERATION
When trunk lid opener switch is ON, BCM opens trunk opener actuator.
BCM can open trunk lid opener actuator when
 vehicle speed is less than 5 km/h (3MPH)
 vehicle security system is disarmed or in the pre-armed phase
BCM does not open trunk lid opener actuator when
 vehicle speed is more than 5 km/h (3MPH)
 vehicle security system is armed or in the alarm phase
 Intelligent Key is inserted in key slot
OUTSIDE KEY ANTENNA DETECTION AREA
The outside key antenna detection area of trunk lid open function is
in the range of approximately 80 cm (31.50 in) surrounding the trunk
lid opener request switch (1). However, this operating range
depends on the ambient conditions.
HAZARD AND BUZZER REMINDER FUNCTION
When trunk lid opening operation is performed by trunk lid opener request switch, the hazard warning lamps
blink and Intelligent Key warning buzzer sounds as a reminder.
LIST OF OPERATION RELATED PARTS
The operation related parts are marked with ×.
JMKIA2474GB
JMKIA2512ZZ

DLK-24
< FUNCTION DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
INTELLIGENT KEY SYSTEM
TRUNK OPEN FUNCTION : Component Description
INFOID:0000000003794749
REMOTE KEYLESS ENTRY FUNCTION
10. Inside key antenna (instrument cen-
ter) M10511. Inside key antenna (trunk room) B86 12. Outside key antenna (rear bumper)
D85
13. Front outside handle LH (request
switch) D1114. Front outside handle LH
(outside key antenna) D1215. Trunk lid lock assembly
(trunk lid opener actuator) T5
16. Front door switch (driver side) B34
A. Behind the combination meter B. Engine room (LH) C. Behind the instrument lower panel
RH
D. Behind the center console E. Behind the audio unit F. View with rear bumper removed
1. Front door lock assembly (driver
side) D92. Rear door lock assembly LH D85 3. Trunk lid opener request switch T6
A. View with front door finisher removed B. View with rear door finisher removed C. View with trunk lid
JMKIA2376ZZ
Item Function
BCM Controls the trunk lid opener function and room lamp function.
Trunk lid opener switch Inputs press/degrees signal to BCM.
Door lock actuator Receives lock/unlock signal from BCM and locks/unlocks each door.
Door switch Inputs door open/close condition to BCM.
Remote keyless entry receiver Receives lock/unlock signal from the Intelligent Key, and then transmits to BCM.
Trunk lid opener request switch Inputs lock/unlock operation to BCM.
Intelligent Key Transmits button operation to remote keyless entry receiver.
Outside key antenna (rear bumper) Detects if Intelligent Key is outside the vehicle.
Inside key antenna Detects if Intelligent Key is inside the vehicle.
Intelligent Key warning buzzerWarns the user of the trunk lid opener/close condition and inappropriate operations with the
buzzer sound.

INTELLIGENT KEY SYSTEM
DLK-25
< FUNCTION DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
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REMOTE KEYLESS ENTRY FUNCTION : System DiagramINFOID:0000000003794750
REMOTE KEYLESS ENTRY FUNCTION : System DescriptionINFOID:0000000003794751
The Intelligent Key has the same functions as the remote control entry system. Therefore, it can be used in the
same manner as the remote controller by operating the door lock/unlock button.
OPERATION
Remote keyless entry system controls operation of the following items
 Door lock/unlock
 Trunk lid open
 Hazard and horn reminder
 Auto door lock
OPERATION AREA
To ensure the Intelligent Key works effectively, use within 1 m (3 ft) range of each door, however the operable
range may differ according to surroundings.
DOOR LOCK/UNLOCK FUNCTION
 When door lock/unlock button of the Intelligent Key is pressed, lock signal or unlock signal is transmitted
from Intelligent Key to BCM via remote keyless entry receiver.
 When BCM receives the door lock/unlock signal, it operates door lock actuator, blinks the hazard lamp (lock:
2 time, unlock: 1 times) and inputs horn chirp signal to IPDM E/R at the same time as a reminder.
 IPDM E/R honks horn (lock: 2 time) as a reminder
OPERATION CONDITION
TRUNK LID OPENER FUNCTION
When trunk lid button of Intelligent Key is pressed for more than 1 second, trunk lid open. For a detailed
description, refer to DLK-21, "
TRUNK OPEN FUNCTION : System Description".
HAZARD AND HORN REMINDER FUNCTION
When doors are locked or unlocked by Intelligent Key, BCM blinks hazard warning lamps as a reminder.
The hazard and horn reminder has a horn chirp mode (C mode) and a non-horn chirp mode (S mode).
Operating Function of Hazard and Horn Reminder
JMKIA2480GB
Remote controller operation Operation condition Operation
Lock All doors closed All doors lock
Unlock Intelligent Key is out of key slot All doors unlock

INTELLIGENT KEY SYSTEM
DLK-29
< FUNCTION DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
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Key reminder has the following 3 functions.
*:If the door closing impact shocks the door lock knob or makes contact with baggage comma the door lock knob might activate the door
locks accidentally comma but unlock operation will be perform in these cases.
CAUTION:
• The above function operates when the Intelligent Key is inside the vehicle. However, there may be
times when the Intelligent Key cannot be detected, and this function will not operate when the Intelli-
gent Key is on the instrument panel, or in the glove box. Also, this system sometimes does not oper-
ate if the Intelligent Key is in the door pocket of an open door.
 Key reminder function is operated when the trunk lid is open/closed and the buzzers sound. If the
following operations are performed, the key reminder function is cleared and buzzer sounds are
stopped.
- Remote controller door lock button operation of Intelligent Key
- Remote controller door unlock button operation of Intelligent Key
- When the trunk lid is closed, the Intelligent Key is not inside the vehicle
- When any door is open
Key remainder function Operation condition Operation
Driver door closed*Right after driver side door is closed under the following conditions
 Door lock operation is performed
 Driver side door is opened
 Driver side door is in lock stateAll doors unlock
Door is open or closedRight after all doors are closed under the following conditions
 Intelligent Key is inside the vehicle
 Any door is opened
 All doors are locked by door lock and unlock switch or door lock knob All doors unlock
 Sound Intelligent Key warn-
ing buzzer
Trunk lid is closedRight after trunk lid is closed under the following conditions
 Intelligent Key is inside vehicle
 All doors are closed
 All doors are locked All doors unlock
 Trunk lid can open with trunk
lid opener switch
 Sound Intelligent Key warn-
ing buzzer