2007 NISSAN LATIO door lock

BL-62
REMOTE KEYLESS ENTRY SYSTEM
Revision: June 20062007 Versa
PANIC ALARM SET
HAZARD LAMP BACK SET
AUTO LOCK SET
TRUNK OPEN
Data Monitor
Active Test
AUTO LOCK SETAuto locking function mode can be changed in this mode. The function mode will be
changed when “CURRENT SETTING” on CONSULT-II screen is touched.
TRUNK OPENKeyless trunk open operation mode can be changed in this mode. The operation mode will
be changed when “CURRENT SETTING” on CONSULT-II screen is touched. Test Item Description
MODE 1 MODE 2 MODE 3
Keyfob operation 0.5 seconds Nothing 1.5 seconds
MODE 1 MODE 2 MODE 3 MODE 4
Hazard lamp operation mode Nothing Unlock only Lock only Lock and Unlock
MODE 1 MODE 2 MODE 3
Auto locking function 30 seconds Nothing 1 minutes
MODE 1 MODE 2 MODE 3
Keyfob operation 0.5 seconds Nothing 1.5 seconds
Monitored Item Description
IGN ON SW Indicates [ON/OFF] condition of ignition switch in ON position.
KEY ON SW Indicates [ON/OFF] condition of key switch.
ACC ON SW Indicates [ON/OFF] condition of ignition switch in ACC position.
KEYLESS LOCK Indicates [ON/OFF] condition of lock signal from keyfob.
KEYLWSS UNLOCK Indicates [ON/OFF] condition of unlock signal from keyfob.
KYLS TRNK/HAT This is displayed even when it is not equipped.
KEYLESS PSD This is displayed even when it is not equipped.
DOOR SW-DR Indicates [ON/OFF] condition of front door switch driver side.
DOOR SW-AS Indicates [ON/OFF] condition of front door switch passenger side.
DOOR SW-RR Indicates [ON/OFF] condition of rear door switch RH.
DOOR SW-RL Indicates [ON/OFF] condition of rear door switch LH.
BACK DOOR SW This is displayed even when it is not equipped.
TRNK/HAT MNTR Indicates [ON/OFF] condition of trunk room lamp switch.
CDL LOCK SW Indicates [ON/OFF] condition of lock signal from door lock and unlock switch.
CDL UNLOCK SW Indicates [ON/OFF] condition of unlock signal from door lock and unlock switch.
KEYLESS PANIC Indicates [ON/OFF] condition of panic alarm signal from keyfob.
Test Item Description
INT LAMPThis test is able to check interior room lamp operation.
The interior room lamp turns on when “ON” on CONSULT-II screen is touched.
FLASHERThis test is able to check right hazard reminder operation.
The right hazard lamp turns on when “ON” on CONSULT-II screen is touched.
DOOR LOCKThis test is able to check door lock actuator operation.

The all door lock actuator are locked when “ALL LOCK” on CONSULT-II screen is touched.

The all door lock actuator are unlocked when “ALL UNLOCK” on CONSULT-II screen is touched.

BL-64
REMOTE KEYLESS ENTRY SYSTEM
Revision: June 20062007 Versa
Work FlowEIS0091G
1. Check the symptom and customer's requests.
2. Understand outline of system. Refer to BL-55, "
System Description" .
3. Confirm that power door lock system operates normally.
Refer to BL-23, "
POWER DOOR LOCK SYSTEM" .
4. Repair or replace any malfunctioning parts.
Refer to BL-64, "
Trouble Diagnosis Symptom Chart" .
5. Does remote keyless entry system operate normally? If Yes, GO TO 6. If No, GO TO 4.
6. INSPECTION END
Trouble Diagnosis Symptom ChartEIS0091H
NOTE:

Always check the “Work Flow” before troubleshooting. Refer to BL-64, "Work Flow" .

Always check keyfob battery before replacing keyfob.
Symptom Diagnoses/service procedureReference
page
All function of remote keyless entry system do not
operate.1. Check key switch.BL-70
2. Check keyfob battery and function.
NOTE:
If the result of keyfob function check with CONSULT-II is OK, key-
fob is not malfunctioning.BL-66
3. Check remote keyless entry receiver.BL-73
4. Refer to ID Code Entry Procedure.BL-76
5. Replace BCM.BCS-25
The new ID of keyfob cannot be entered.1. Check keyfob battery and function.
NOTE:
If the result of keyfob function check with CONSULT-II is OK, key-
fob is not malfunctioning.BL-662. Check key switch.BL-70
3. Check door switch.BL-68
4. Check ACC switch.BL-67
5. Replace keyfob. Refer to ID Code Entry Procedure.BL-76
6. Replace BCM.BCS-25
Door lock does not function with keyfob.
(Power door lock system is “OK”.)1. Check keyfob function. (Lock)
NOTE:
If the result of keyfob function check with CONSULT-II is OK, key-
fob is not malfunctioning.BL-75
2. Replace keyfob. Refer to ID Code Entry Procedure.BL-76
3. Check door switch.BL-68
4. Replace BCM.BCS-25
Door unlock does not function with keyfob
(Power door lock system is “ON”)1. Check keyfob function. (Unlock)BL-75
2. Replace keyfob. Refer to ID Code Entry Procedure.
NOTE:
If the result of keyfob function check with CONSULT-II is OK, key-
fob is not malfunctioning.BL-76
3. Replace BCM.BCS-25
Hazard reminder does not activate properly when
pressing lock or unlock button of keyfob.1. Check hazard reminder mode.*
*: Hazard reminder mode can be changed.
First check the hazard reminder setting.BL-61
2. Check hazard function.BL-71
3. Replace BCM.BCS-25

REMOTE KEYLESS ENTRY SYSTEM
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Panic alarm does not activate when panic alarm
button is continuously pressed.1. Check panic alarm mode.*
*: Panic alarm mode can be changed.
First check the panic alarm setting.BL-61
2. Check keyfob battery and function.
NOTE:
If the result of keyfob function check with CONSULT-II is OK, key-
fob is not malfunctioning.BL-66
3. Check horn function.BL-71
4. Check key switch.BL-70
5. Replace keyfob. Refer to ID Code Entry Procedure.BL-76
6. Replace BCM.BCS-25
Auto door lock operation does not activate properly.
(All other remote keyless entry system functions are
OK.)1. Check auto door lock operation mode.*
*: Auto door lock operation mode can be changed.
First check the auto door lock operation setting.BL-61
2. Replace BCM.BCS-25
Interior lamp operation does not activate properly.1. Check interior lamp operation.BL-722. Replace BCM.BCS-25
Symptom Diagnoses/service procedureReference
page

REMOTE KEYLESS ENTRY SYSTEM
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Revision: June 20062007 Versa
2. CHECK DOOR SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect door switch and BCM.
3. Check continuity between door switch connector (B) B8 (front LH), B108 (front RH) terminal 2 or (C) B6
(rear LH), B116 (rear RH) terminal 1 or back door lock assembly connector (D) D405 terminal 3 and BCM
connectors (A) M18, M19 terminals 12, 13, 43, 47 and 48.
4. Check continuity between door switch connector (B) B8 (front
LH), B108 (front RH) terminal 2 or (C) B6 (rear LH), B116 (rear
RH) terminal 1 or back door lock assembly connector (D) D405
terminal 3 and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
3. CHECK DOOR SWITCHES
FRONT AND REAR DOORS
Check continuity between front door switch terminal 2 or rear door
switch terminal 1 and exposed metal of switch while pressing and
releasing switch.
BACK DOOR
Check continuity between back door lock assembly connector (back
door switch) terminals 3 and 4 while pressing (closing back door)
and releasing (opening back door) switch.
OK or NG
OK >> (Front and rear doors) Switch circuit is OK.
OK >> (Back door) GO TO 4.
NG >> Replace door switch.1 - 13 : Continuity should exist.
1 - 48 : Continuity should exist.
2 - 12 : Continuity should exist.
2 - 47 : Continuity should exist.
3 - 43 : Continuity should exist.
1 - Ground : Continuity should not exist.
2 - Ground : Continuity should not exist.
3 - Ground : Continuity should not exist.
WIIA1244E
Door switch is released : Continuity should exist.
Door switch is pushed : Continuity should not exist.
PIIB6899E
When back door is open : Continuity should exist.
When back door is closed : Continuity should not exist.
WIIA1245E

BL-70
REMOTE KEYLESS ENTRY SYSTEM
Revision: June 20062007 Versa
4. CHECK BACK DOOR SWITCH GROUND
Check continuity between back door lock assembly connector D405
terminal 4 and ground.
OK or NG
OK >> Back door switch circuit is OK.
NG >> Repair or replace harness.
Key Switch (Insert) CheckEIS0091L
1. CHECK KEY SWITCH INPUT SIGNAL
With CONSULT-II
Check key switch "KEY ON SW" in DATA MONITOR mode with CONSULT–II. Refer to BL-37, "
DATA MONI-
TOR" .

When key is inserted into ignition key cylinder:

When key is removed from ignition key cylinder:
Without CONSULT-II
Check voltage between BCM connector and ground.
OK or NG
OK >> Key switch circuit is OK.
NG >> GO TO 2.4 - Ground : Continuity should exist.
WIIA1246E
KEY ON SW : ON
KEY ON SW : OFF
LIIA0169E
ConnectorTe r m i n a l s
ConditionVoltage (V)
(Approx.)
( + ) ( – )
M18 37 GroundKey is inserted. Battery voltage
Key is removed. 0
LIIA0567E

INTELLIGENT KEY SYSTEM
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Revision: June 20062007 Versa
1. Horn (Low) E18, E20
(view with front fascia removed)2. Horn (High) E21, E22 3. Horn relay H-1
4. Instrument panel antenna M10
(view with glove box removed)5. BCM M18, M19, M20 6. Intelligent Key Unit M52
7. Combination meter M24 8. Intelligent key "KEY" warning indica-
tor9a.
9b.Intelligent key warning indicator (CVT)
Intelligent key warning indicator (M/T)
10. Stop lamp switch E13 11. Steering lock solenoid M6
(bottom view of steering column)12. Key switch and ignition knob switch
M73
13. CVT device (park position switch) M38 14. Intelligent key warning buzzer D6
(view with front door finisher LH
removed)15. Front outside antenna LH D10, RH
D106
16. Front door request switch LH D5, RH
D10317. Front door lock actuator LH (door
unlock sensor) D318. Front door switch LH B8, RH B108
19. Rear door switch LH B6, RH B116 20. Front console antenna B3
(view with front console removed)21. Rear floor antenna B12
(behind rear seat)
22. Back door request switch D406 23. Back door lock assembly (back door
switch) D405 (with back door open)24. Rear bumper antenna B2
(view with rear fascia removed)
LIIA2592E

BL-82
INTELLIGENT KEY SYSTEM
Revision: June 20062007 Versa
System DescriptionEIS0091W

The Intelligent Key system is a system that makes it possible to lock and unlock the door locks (door lock/
unlock function), and start the engine (engine start function) by carrying around the Intelligent Key (without
some key operation), which operates based on the results of electronic ID verification using two-way com-
munications between the Intelligent Key and the vehicle (Intelligent Key unit).

Vehicles equipped with a manual transmission include a key interlock solenoid located in the steering col-
umn to prevent accidental shut-off of the ignition switch and locking of the steering wheel during driving
condition when the vehicle is moving.
CAUTION:
The driver should always carry the Intelligent Key

Operation of the remote controller buttons on the Intelligent Key also provides the same functions as the
remote control entry system. (Remote keyless entry functions)

If an action that does not meet the operating conditions of the Intelligent Key system is taken, the buzzer
goes off to inform the driver. (Warning chime functions)

When a door lock is locked or unlocked with request switch or remote controller button operation, the haz-
ard lamps flash and the buzzer (outside vehicle) sounds (Hazard and buzzer reminder function).

Even if the Intelligent Key battery is completely discharged, the door locks can be locked and unlocked
and the engine started with the mechanical key built into the Intelligent Key.

The settings for each function can be changed with the CONSULT-II.

If an Intelligent Key is lost, a new Intelligent Key can be registered. A maximum of 4 Intelligent Keys can
be registered.

It has been made possible to diagnose the system and register an Intelligent Key with the CONSULT-II.

INTELLIGENT KEY SYSTEM
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DOOR LOCK/UNLOCK FUNCTION
Only when pressing the request switch, it is possible to lock and unlock the door by carrying around the Intelli-
gent Key (without some key operation).
System Diagram
Operation Description

When the Intelligent Key unit detects that each request switch is pressed, it starts the outside key antenna
and inside key antenna corresponding to the pressed request switch and sends the request signal to the
Intelligent Key. And then, make sure that the Intelligent Key is near door.

If the Intelligent Key is within the outside key antenna detection area, it receives the request signal and
sends the key ID signal to the Intelligent Key unit.

Intelligent Key unit receives the key ID signal and compares it with the registered key ID.

If the key ID check result is OK, the Intelligent Key unit sends the door lock/unlock request signal to BCM
(Body control module) via CAN communication line.

Intelligent Key unit sends the door lock/unlock signal and sounds Intelligent Key warning buzzer (lock: 2
times, unlock: 1 time) at the same time.

When BCM receives the door lock/unlock signal, it operates door lock actuator and flashes the hazard
warning lamp (lock: 2 times, unlock: 1 time) at the same time as reminder.
LIIA2624E