Nissan Xterra. Instruction — part 193
DLK-14
< SYSTEM DESCRIPTION >
DOOR LOCK FUNCTION
REMOTE KEYLESS ENTRY
REMOTE KEYLESS ENTRY : System Diagram
INFOID:0000000009485011
REMOTE KEYLESS ENTRY : System Description
INFOID:0000000009485012
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
AUTO LOCK 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.
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)
DOOR LOCK FUNCTION
DLK-15
< SYSTEM DESCRIPTION >
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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".
DLK-18, "MULTI REMOTE ENT : CONSULT Function (BCM - MULTI REMOTE ENT)"
.
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 1 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
—
—
—
DLK-16
< SYSTEM DESCRIPTION >
DOOR LOCK FUNCTION
REMOTE KEYLESS ENTRY : Component Parts Location
INFOID:0000000009485013
REMOTE KEYLESS ENTRY : Component Description
INFOID:0000000009485014
1. IPDM E/R E122, E124
2. Horns E6
(behind front combination lamp LH)
3. BCM M18, M19, M20
(view with lower instrument panel LH
removed)
4. Key switch M27
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. Steering member
9. Back door switch D502
LIIA2426E
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.
DIAGNOSIS SYSTEM (BCM)
DLK-17
< SYSTEM DESCRIPTION >
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DIAGNOSIS SYSTEM (BCM)
COMMON ITEM
COMMON ITEM : CONSULT Function (BCM - COMMON ITEM)
INFOID:0000000010246236
APPLICATION ITEM
CONSULT performs the following functions via CAN communication with BCM.
SYSTEM APPLICATION
BCM can perform the following functions.
DOOR LOCK
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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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
×
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
×
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