NISSAN LATIO 2010 Service Repair Manual

BL-22
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POWER DOOR LOCK SYSTEM
POWER DOOR LOCK SYSTEM
Component Parts and Harness Connector LocationINFOID:0000000005396553
ALKIA1773ZZ
1. BCM M18, M19, M20
(view with glove box removed) 2. Intelligent Key unit M52
(if equipped) 3. Front door key cylinder switch LH D14
4. Front door switch LH B8, RH B108 5. Front door lock actuator LH D3, RH D114 6. Rear door switch LH B6, RH B116
7. Rear door lock actuator LH D205 RH D305 8. Key switch and ignition knob switch M73
(with A/T and Intelligent Key) 9. Key switch and ignition knob switch
M73 (with M/T and Intelligent Key)
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System DescriptionINFOID:0000000005396554
Power is supplied at all times
• through 40A fusible link (letter g , located in the fuse and fusible link box)
• to BCM terminal 70
• through 10A fuse [No. 8, located in the fuse block (J/B)]
• to BCM terminal 57
• through 10A fuse [No. 14, located in the fuse block (J/B)]
• to key switch terminal 2 (without Intelligent Key system)
• through 10A fuse [No. 31, located in the fuse block (J/B)]
• to key switch and ignition knob switch terminals 2 and 4 (with Intelligent Key system).
When key switch is ON (key is inserted in ignition key cylinder), power is supplied
• through key switch terminal 1 (without Intelligent Key system) or key switch and ignition knob terminal 1 (with Intelligent Key system)
• to BCM terminal 37.
Ground is supplied
• to BCM terminal 67
• through body grounds M57 and M61.
LOCK OPERATION
When the door is locked with main power window and door lock/unlock switch, ground is supplied
• to BCM terminal 45
• through main power window and door lock and unlock switch terminals 17 and 18
• through body grounds M57 and M61.
When the door is locked with power window and door lock/unlock switch RH, ground is supplied
• to BCM terminal 45
• through power window and door lock and unlock switch RH terminals 1 and 3
• through body grounds M57 and M61.
When the door is locked with front door ke y cylinder switch LH, ground is supplied
• to BCM terminal 8
• through front door key cylinder switch LH terminals 1 and 2
• through body grounds M57 and M61.
UNLOCK OPERATION
When the door is unlocked with main power window and door lock/unlock switch, ground is supplied
• to BCM terminal 46
• through main power window and door lock/unlock switch terminals 6 and 17
• through body grounds M57 and M61.
When the door is unlocked with power window and door lock/unlock switch RH, ground is supplied
• to BCM terminal 46
• through power window and door lock and unlock switch RH terminals 2 and 3
• through body grounds M57 and M61.
When the door is unlocked with front door ke y cylinder switch LH, ground is supplied
• to BCM terminal 7
• through front door key cylinder switch LH terminals 2 and 3
• through body grounds M57 and M61.
When the front door switch LH is ON (door is OPEN), ground is supplied
• to BCM terminal 47
• through front door switch LH terminal 2
• through front door switch LH case ground.
When the front door switch RH is ON (door is OPEN), ground is supplied
• to BCM terminal 12
• through front door switch RH terminal 2
• through front door switch RH case ground.
10. Key switch and key lock solenoid M27
(without Intelligent key) 11. Main power window and door lock/un-
lock switch D7, D8
Power window and door lock/unlock
switch RH D105 12. Fuse block (with Intelligent Key)
(view with instrument panel LH re-
moved)
13. Passenger select unlock relay M2 (with Intelligent Key) 14. Back door lock assembly (back door
switch) D405 (hatchback view with back
door open) 15. Combination meter M24
Revision: January 20102010 Versa

BL-24
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POWER DOOR LOCK SYSTEM
When the rear door switch LH is ON (door is OPEN), ground is supplied
• to BCM terminal 48
• through rear door switch LH terminal 1
• through rear door switch LH case ground.
When the rear door switch RH is ON (door is OPEN), ground is supplied
• to BCM terminal 13
• through rear door switch RH terminal 1
• through rear door switch RH case ground.
When the back door switch (hatchback) is ON (back door is OPEN), ground is supplied
• to BCM terminal 43
• through back door switch terminals 3 and 4
• through body grounds B117, B132 and D402.
OUTLINE
Functions available by operating the inside door lock and unlock switches
• Interlocked with the locking operation of door lock and unlock switch, door lock actuators of all doors and
trunk (sedan) are locked.
• Interlocked with the unlocking operation of door lock and unlock switch, door lock actuators of all doors and
trunk (sedan) are unlocked.
Functions available by operating t he front door key cylinder switch LH
• Interlocked with the locking operation of front door key cylinder switch LH, door lock actuators of all doors
and trunk (sedan) are locked.
• When front door key cylinder switch LH is unlo cked, front door lock actuator LH is unlocked.
• When front door key cylinder switch LH is unlocked for the second time within 5 seconds after the first oper- ation, door lock actuators on all doors and trunk (sedan) are unlocked.
Key reminder door system
When door lock and unlock switch is operated to lock doors with ignition key inserted in key cylinder and any
door open, all door lock actuators are locked and then unlocked.
AUTOMATIC DOOR LOCKS (LOCK OPERATION)
The interlock door lock function is the function that locks all doors linked with the vehicle speed.
Vehicle Speed Sensing Auto Door Lock*1
All doors are locked when the vehicle speed reaches 24 km/h (15 MPH) or more.
BCM outputs the lock signal to all door lock actuators when it detects that the ignition switch is turned ON, all
doors are closed and the vehicle speed received from the combination meter via CAN communication
becomes 15 MPH (24 km/h) or more.
If a door is opened and closed at any time during one ignition cycle (OFF → ON), even after initial auto door
lock has taken place, the BCM will relock all doors when the vehicle speed reaches 15 MPH (24 km/h) or more
again.
Setting change of Automatic Door Locks (LOCK) Function
The lock operation setting of the autom atic door locks function can be changed.
With CONSULT-III
The ON/OFF switching of the automatic door locks (LOC K) function and the type selection of the automatic
door locks (LOCK) function can be performed at the WO RK SUPPORT setting of CONSULT-III. Refer to BL-
41, "CONSULT-III Function (BCM)".
Without CONSULT- III
The automatic door locks (LOCK) function can be swit ched ON/OFF by performing the following operation.
1. Close all doors (door switch OFF).
2. Turn ignition switch ON.
3. Within 20 seconds of turning the ignition switch ON, press and hold the door lock and unlock switch to the LOCK position for more than 5 seconds.
4. The switching is completed when the hazard lamps blink.
5. The ignition switch must be turned OFF and ON again between each setting change.
OFF → ON : 2 blinks
ON → OFF : 1 blink
Revision: January 20102010 Versa

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AUTOMATIC DOOR LOCKS (UNLOCK OPERATION)
The automatic door locks (UNLOCK) function is the function that unlocks all doors linked with the key position.
IGN OFF Interlock Door Unlock*1
For vehicles equipped with Intelligent Key system, all doors are unlocked when the power supply position is
changed from ON to OFF.
For vehicles not equipped with Intelligent Key system , all doors are unlocked when the mechanical key is
removed from the ignition key cylinder.
BCM outputs the unlock signal to all door lock actuator s when it detects that the power supply position is
changed from ignition switch ON to OFF (with Intelligent Key) or when the mechanical key is removed from the
ignition key cylinder (without Intelligent Key).
Setting change of Automatic Door Locks (UNLOCK) Function
The lock operation setting of the aut omatic door locks function can be changed.
With CONSULT-III
The ON/OFF switching of the automatic door locks (UNL OCK) function and the type selection of the automatic
door locks (UNLOCK) function can be performed at the WORK SUPPORT setting of CONSULT-III. Refer to
BL-41, "
CONSULT-III Function (BCM)".
Without CONSULT- III
The automatic door locks (UNLOCK) function can be sw itched ON/OFF by performing the following operation.
1. Close all doors (door switch OFF).
2. Turn ignition switch ON.
3. Within 20 seconds of turning the ignition switch ON, press and hold the door lock and unlock switch to the UNLOCK position for more than 5 seconds.
4. The switching is completed when the hazard lamps blink.
5. The ignition switch must be turned OFF and ON again between each setting change.
*1: This function is set to ON before delivery.
CAN Communication System DescriptionINFOID:0000000005396555
Refer to LAN-7 .
OFF → ON : 2 blinks
ON → OFF : 1 blink
Revision: January 20102010 Versa

BL-26
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POWER DOOR LOCK SYSTEM
Schematic
INFOID:0000000005396556
WITHOUT INTELLIGENT KEY SYSTEM
AAKWA0076GB
Revision: January 20102010 Versa

POWER DOOR LOCK SYSTEMBL-27
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Wiring Diagram - D/LOCK -INFOID:0000000005396557
WITHOUT INTELLIGENT KEY SYSTEM
ABKWA0683GB
Revision: January 20102010 Versa

BL-28
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POWER DOOR LOCK SYSTEM
WIWA2265E
Revision: January 20102010 Versa

POWER DOOR LOCK SYSTEMBL-29
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WIWA1954E
Revision: January 20102010 Versa

BL-30
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POWER DOOR LOCK SYSTEM
WIWA1955E
Revision: January 20102010 Versa

POWER DOOR LOCK SYSTEMBL-31
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SchematicINFOID:0000000005396558
WITH INTELLIGENT KEY SYSTEM
AAKWA0078GB
Revision: January 20102010 Versa