DLK-1
BODY EXTERIOR, DOORS, ROOF & VEHICLE SECURITY
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SECTION DLK
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CONTENTS
DOOR & LOCK
PRECAUTION ................ ...............................6
PRECAUTIONS .............................................. .....6
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ............................................................. ......
6
Precaution for Procedure without Cowl Top Cover ......6
Precaution for Servicing Doors and Locks .......... ......6
PREPARATION ............................................8
PREPARATION .............................................. .....8
Special Service Tools .......................................... ......8
Commercial Service Tools ........................................9
CLIP LIST ...........................................................10
Descriptions for Clips .......................................... ....10
SYSTEM DESCRIPTION .............................14
COMPONENT PARTS ................................... ....14
POWER DOOR LOCK SYSTEM ........................... ....14
POWER DOOR LOCK SYSTEM :
Component Parts Location ................................ ....
14
POWER DOOR LOCK SYSTEM :
Component Description ...................................... ....
15
INTELLIGENT KEY SYSTEM ...................................15
INTELLIGENT KEY SYSTEM : Component Parts
Location ............................................................... ....
16
INTELLIGENT KEY SYSTEM :
Component Description ...................................... ....
19
INTEGRATED HOMELINK TRANSMITTER ......... ....19
INTEGRATED HOMELINK TRANSMITTER :
Component Parts Location .................................. ....
19
INTEGRATED HOMELINK TRANSMITTER :
Component Description ....................................... ....
19
TRUNK LID OPENER SYSTEM ............................ ....19
TRUNK LID OPENER SYSTEM :
Component Parts Location ................................ ....
20
TRUNK LID OPENER SYSTEM :
Component Description ...................................... ....
20
SYSTEM (POWER DOOR LOCK SYSTEM) ....21
System Diagram .................................................. ....21
System Description ..................................................21
SYSTEM (INTELLIGENT KEY SYSTEM) .........23
INTELLIGENT KEY SYSTEM ......................... ...........23
INTELLIGENT KEY SYSTEM : System Diagram ....23
INTELLIGENT KEY SYSTEM : System Descrip-
tion ....................................................................... ....
23
DOOR LOCK FUNCTION ...................................... ....24
DOOR LOCK FUNCTION : System Diagram ..........24
DOOR LOCK FUNCTION : System Description . ....24
REMOTE KEYLESS ENTRY FUNCTION ..................26
REMOTE KEYLESS ENTRY FUNCTION : Sys-
tem Diagram ........................................................ ....
27
REMOTE KEYLESS ENTRY FUNCTION : Sys-
tem Description .................................................... ....
27
KEY REMINDER FUNCTION ................................ ....29
KEY REMINDER FUNCTION : System Diagram ....29
KEY REMINDER FUNCTION : System Descrip-
tion ....................................................................... ....
29
REMOTE ENGINE START FUNCTION ................. ....30
REMOTE ENGINE START FUNCTION : System
Diagram ............................................................... ....
30
REMOTE ENGINE START FUNCTION : System
Description ........................................................... ....
30
WELCOME LIGHT FUNCTION ............................. ....32
WELCOME LIGHT FUNCTION : System Diagram
....
32
WELCOME LIGHT FUNCTION : System Descrip-
tion ....................................................................... ....
32
WARNING FUNCTION .......................................... ....33
WARNING FUNCTION : System Description ..........33
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM
DLK-2
TRUNK LID OPENER SYSTEM ............................ ...36
TRUNK LID OPENER SYSTEM : System Dia-
gram .................................................................... ...
37
TRUNK LID OPENER SYSTEM : System De-
scription ............................................................... ...
37
SYSTEM (INTEGRATED HOMELINK
TRANSMITTER) ............................................. ...
40
System Description .............................................. ...40
SYSTEM (TRUNK LID OPENER SYSTEM) ......41
System Diagram .................................................. ...41
System Description .................................................41
DIAGNOSIS SYSTEM (BCM) ............................42
COMMON ITEM ..................................................... ...42
COMMON ITEM : CONSULT Function (BCM -
COMMON ITEM) ................................................. ...
42
DOOR LOCK .......................................................... ...43
DOOR LOCK : CONSULT Function (BCM -
DOOR LOCK) ...................................................... ...
43
INTELLIGENT KEY ................................................ ...44
INTELLIGENT KEY : CONSULT Function (BCM -
INTELLIGENT KEY) ........ .......................................
44
TRUNK ................................................................... ...47
TRUNK : CONSULT Function (BCM - TRUNK) .....47
ECU DIAGNOSIS INFORMATION ..............48
ECM, IPDM E/R, BCM .................................... ...48
List of ECU Reference ......................................... ...48
WIRING DIAGRAM .....................................49
HOMELINK UNIVERSAL TRANSCEIVER ..... ...49
Wiring Diagram .................................................... ...49
POWER DOOR LOCK SYSTEM .......................51
Wiring Diagram .................................................... ...51
INTELLIGENT KEY SYSTEM ............................61
Wiring Diagram .................................................... ...61
TRUNK LID OPENER ........................................77
Wiring Diagram .................................................... ...77
BASIC INSPECTION ...................................81
DIAGNOSIS AND REPAIR WORKFLOW ...... ...81
Work Flow ............................................................ ...81
INSPECTION AND ADJUSTMENT ...................84
ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT ..................................................... ...
84
ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT : Description ............................. ...
84
ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT : Special Repair Requirement .....
84
DTC/CIRCUIT DIAGNOSIS ........................85
U1000 CAN COMM CIRCUIT ......................... ...85
Description ........................................................... ...85
DTC Logic ...............................................................85
Diagnosis Procedure ...............................................85
U1010 CONTROL UNIT (CAN) .........................86
DTC Logic ............................................................ ...86
Diagnosis Procedure ...............................................86
Special Repair Requirement ...................................86
B261B REMOTE ENGINE START ....................87
DTC Logic ............................................................ ...87
Diagnosis Procedure ...............................................87
B2621 INSIDE ANTENNA .............................. ...88
DTC Logic ............................................................ ...88
Diagnosis Procedure ...............................................88
B2622 INSIDE ANTENNA .............................. ...90
DTC Logic ............................................................ ...90
Diagnosis Procedure ...............................................90
B26FD SHIFT LOCK SOLENOID .....................92
DTC Logic ............................................................ ...92
Diagnosis Procedure ...............................................92
B26FE HOOD SWITCH .....................................95
DTC Logic ............................................................ ...95
Diagnosis Procedure ..............................................95
Component Inspection ............................................96
B26FF REMOTE KEYLESS ENTRY RECEIV-
ER ................................................................... ...
97
DTC Logic ............................................................ ...97
Diagnosis Procedure ...............................................97
POWER SUPPLY AND GROUND CIRCUIT .....99
Diagnosis Procedure ............................................ ...99
DOOR SWITCH ................................................100
Description ........................................................... .100
Component Function Check ................................100
Diagnosis Procedure .............................................100
Component Inspection ..........................................102
DOOR LOCK AND UNLOCK SWITCH ............103
DRIVER SIDE ......................................................... .103
DRIVER SIDE : Description ..................................103
DRIVER SIDE : Component Function Check ......103
DRIVER SIDE : Diagnosis Procedure (With LH
and RH Anti-Pinch) .............................................. .
103
DRIVER SIDE : Diagnosis Procedure (With LH
Anti-Pinch Only) ................................................... .
104
PASSENGER SIDE .................................................105
PASSENGER SIDE : Descripti on .........................105
PASSENGER SIDE :
Component Function Check ............................... .
106
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM
DLK-24
< SYSTEM DESCRIPTION >
SYSTEM (INTELLIGENT KEY SYSTEM)
DOOR LOCK FUNCTION
DOOR LOCK FUNCTION : System DiagramINFOID:0000000009461778
DOOR LOCK FUNCTION : System DescriptionINFOID:0000000009461779
Only when pressing the door request switch (if equipped) it is possible to lock and unlock the door by carrying
the Intelligent Key.
Remote keyless entry Lock/unlock can be performed by pressing the remote controller
button of the Intelligent Key. DLK-27
Key reminderThe key reminder buzzer sounds a warning if the door is locked
with the key left inside the vehicle. DLK-29
Welcome lightWhen the Intelligent Key is carried, and vehicle doors are ap-
proached, the BCM illuminates interior room lamps and operates
heart beat operation of the push-button ignition switch. DLK-32
WarningIf an action that does not meet the operating condition of the In-
telligent Key system is taken, the buzzer sounds to inform the
driver. DLK-33
Engine start The engine can be turned on while carrying the Intelligent Key.
DLK-30
Interior room lamp controlInterior room lamp is controlled according to door lock/unlock
state. INL-7
Power windowPower window can be operated by Intelligent Key button opera-
tion. PWC-72
Panic alarm When Intelligent Key panic alarm button is pressed, horn sounds.
SEC-16
Intelligent Key interlockSetting of air conditioning system can be set according to key ID
of Intelligent Key to the setting value that is set before turning ig-
nition switch OFF. HAC-13Setting of multi AV system can be set according to key ID of In-
telligent Key to the setting value that is set before turning ignition
switch OFF. AV- 3 1 8
Function Description Refer
AWKIA2690GB
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM
SYSTEM (INTELLIGENT KEY SYSTEM)DLK-27
< SYSTEM DESCRIPTION >
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REMOTE KEYLESS ENTRY F UNCTION : System DiagramINFOID:0000000009461780
REMOTE KEYLESS ENTRY FUNCT ION : System DescriptionINFOID:0000000009461781
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 function
• Selective unlock function
• Auto door lock function
• Hazard and horn reminder function
• Trunk lid open function
• Remote engine start
OPERATION AREA
The remote engine start operating range is appr oximately 60 m (197 ft) from the vehicle.
REMOTE ENGINE START FUNCTION
• When the lock button and then the remote engine start butt on of the Intelligent Key are pressed within 5 sec-
onds of each other, a start signal is transmitted from Intelligent Key to BCM via remote keyless entry
receiver.
• When the BCM receives the remote engine start signal , it locks all doors, flashes the hazard lamps and
chirps the horn and the engine will then start.
• To exit the remote engine start mode from inside t he vehicle, depress the brake pedal and press the push-
button ignition switch at the same time.
• To cancel the remote engine start mode away from t he vehicle, press the remote engine start button on the
Intelligent Key.
• Once the vehicle has been started using the remote engi ne start feature it will remain running for 10 minutes.
Extended run time can be added to the initial 10 minute running time by pressing the lock button and remote
engine start button within 5 seconds of each other. Th is will add an additional 10 minutes of running time.
Extended time can only be added once, for a total run time of up to 20 minutes.
DOOR LOCK/UNLOCK FUNCTION
• When door lock/unlock button of the Intelligent Key is pr essed, lock signal or unlock signal transmitted from
Intelligent Key to BCM via remote keyless entry receiver.
ALKIA2592GB
Remote engine start cancel opera-
tion • Anti-theft alarm - unauthorized entry
• Maximum time for engine to run by remote start has been exceeded.
• Hazard lamps are turned on.
• Push-button start button is pressed without the Intelligent Key in the vehicle.
• Push-button start button is pressed without depressing the brake pedal.
• The hood is opened while the remote engine start is engaged.
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM
SYSTEM (INTELLIGENT KEY SYSTEM)DLK-29
< SYSTEM DESCRIPTION >
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When LOCK and UNLOCK signals are sent from the Intelligent Key for more than 2 seconds at the same time,
the hazard and horn reminder mode is changed and hazard warning lamp blinks and horn sounds as per the
following items:
LIST OF OPERATION RELATED PARTS
Parts marked with × are the parts related to operation.
KEY REMINDER FUNCTION
KEY REMINDER FUNCTION : System DiagramINFOID:0000000009461782
KEY REMINDER FUNCTION : System DescriptionINFOID:0000000009461783
Key reminder is the function that prevents the key from being left in the vehicle.
Key reminder has the following 3 functions.
JMKIA2755GB
Function
Intelligent Key
Door switch
Door lock actuator
Push-button ignition switch
CAN communication system BCM
IPDM E/R Horn
Combination meter
Hazard warning lamp
Door lock/unlock function ××× ×
Selective unlock function ××× ×
Auto door lock function ×××× ×
Hazard and horn reminder function ××××××
Remote engine start function × × ×××× ×
ALKIA2595GB
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM
DLK-30
< SYSTEM DESCRIPTION >
SYSTEM (INTELLIGENT KEY SYSTEM)
*: If the door closing impact shocks the door lock knob or contacts against baggage with the door lock knob might activate the door locks
accidentally but unlock operation is performed 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 can not be detected. This function does not operate when the Intelli-
gent Key is on the instrument panel, rear parcel shelf or in the glove box. Also, this system some-
times does not operate if the Intelligent Key is in the door pocket for the open door.
REMOTE ENGINE START FUNCTION
REMOTE ENGINE START FUNCTION : System DiagramINFOID:0000000009461784
REMOTE ENGINE START FUNCTION : System DescriptionINFOID:0000000009461785
OPERATION
Remote keyless entry system controls operation of the following items.
• Door lock/unlock function
• Selective unlock function
• Auto door lock function
• Hazard and horn reminder function
• Remote engine start
OPERATION AREA
The remote engine start operating range is approximately 60 m (197 ft) from the vehicle.
REMOTE ENGINE START FUNCTION
• When the lock button and then the remote engine start button of the Intelligent Key are pressed within 5 sec-
onds of each other, a start signal is transmitted from Intelligent Key to BCM via remote keyless entry
receiver.
• When the BCM receives the remote engine start signal , it locks all doors and flashes the hazard lamps and
chirps the horn and the engine will then start.
Key remainder func-
tion 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 open.
• Driver side door is in lock state. All doors unlock.
Door is open or closed Right after all doors are closed under the following conditions:
• Intelligent Key is inside the vehicle.
• Any door is open.
• All doors are locked by door lock and unlock switch or door lock knob. • All doors unlock.
• Honk Intelligent Key warn- ing buzzer.
ALKIA2596GB
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SYSTEM (INTELLIGENT KEY SYSTEM)DLK-31
< SYSTEM DESCRIPTION >
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• To exit the remote engine start mode from inside t he vehicle, depress the brake pedal and press the push-
button ignition switch at the same time.
• To cancel the remote engine start mode away from t he vehicle, press the remote engine start button on the
Intelligent Key.
• Once the vehicle has been started using the remote engi ne start feature it will remain running for 10 minutes.
Extended run time can be added to the initial 10 minute running time by pressing the lock button and remote
engine start button within 5 seconds of each other. Th is will add an additional 10 minutes of running time.
Extended time can only be added once, for a total run time of up to 20 minutes.
HAZARD AND HORN REMINDER FUNCTION
When remote engine start is initiated by Intelligent Key, BCM blinks hazard warning lamps as a reminder.
The hazard and horn reminder has a horn chirp m ode (C mode) and a non-horn chirp mode (S mode).
Operating Function of Hazard and Horn Reminder
Hazard and horn reminder does not operate in the following conditions.
• Ignition switch position is ON.
• Door is open (only lock operation)
How to Change Hazard and Horn Reminder Mode
With CONSULT
Hazard and horn reminder operation mode can be changed using CONSULT.
Refer to BCS-22, "INTELLIGENT KEY : CONSUL T Function (BCM - INTELLIGENT KEY)"
.
Without CONSULT
When LOCK and UNLOCK signals are sent from the Intelligent Key for more than 2 seconds at the same time,
the hazard and horn reminder mode is changed and hazard warning lamp blinks and horn sounds as per the
following items:
LIST OF OPERATION RELATED PARTS
Parts marked with × are the parts related to operation.
Remote engine start cancel opera-
tion • Anti-theft alarm - unauthorized entry
• Maximum time for engine to run by remote start has been exceeded.
• Hazard lamps are turned on.
• Push-button start button is pressed without the Intelligent Key in the vehicle.
• Push-button start button is pressed without depressing the brake pedal.
• The hood is opened while the remote engine start is engaged.
C mode S mode
Intelligent Key operation Lock Unlock Lock Unlock
Hazard warning lamp blinks Twice Once Twice —
Horn sound Once — — —
JMKIA2755GB
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM
DLK-32
< SYSTEM DESCRIPTION >
SYSTEM (INTELLIGENT KEY SYSTEM)
WELCOME LIGHT FUNCTION
WELCOME LIGHT FUNCTION : System DiagramINFOID:0000000009461786
WELCOME LIGHT FUNCTION : System DescriptionINFOID:0000000009461787
The welcome light function operates as per the following. When the Intelligent Key is within the outside key
antenna detection area, the BCM turns on interior room lamp
* and operates heart beat operation of the push-
button ignition switch.
*: Settings for map lamp, foot lamp, personal lamp, and puddle lamp are available.
OPERATION DESCRIPTION
• When the BCM detects that the Intelligent Key is within the outside key antenna detection area. BCM trans-
mits the request signal to the Intelli gent Key and check it is near the door.
• Intelligent Key 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 illuminates lamps that are set, when key ID verification is OK.
TIMER FUNCTION
BCM can operate welcome light function using the timer function for 9 days after key switch is turned OFF.
The timer function resets when the engine is started
*.Operating period of timer function may differ depending
on battery size.
Function
Intelligent Key
Door switch
Door lock actuator
Push-button ignition switch
CAN communication system
BCM
IPDM E/R
Horn
Combination meter
Hazard warning lamp
Door lock/unlock function ××× ×
Selective unlock function ××× ×
Auto door lock function ×××× ×
Hazard and horn reminder function ××××××
Remote engine start function ×××××××
JMKIA5072GB
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM