2011 NISSAN LATIO key

POWER DOOR LOCK SYSTEMBL-43
< SERVICE INFORMATION >
C
DE
F
G H
J
K L
M A
B
BL
N
O P
Trouble Diagnosis Symptom ChartINFOID:0000000005929292
BCM Power Supply and Gr ound Circuit InspectionINFOID:0000000006215770
1.CHECK FUSES AND FUSIBLE LINK
• Check 40A fusible link (letter g , located in the fuse and fusible link box).
• Check 10A fuses [No. 6, 8 and 20, lo cated in the fuse block (J/B)].
OK or NG
OK >> GO TO 2.
NG >> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse. Refer to PG-
4, "Schematic" .
2.CHECK BCM POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM.
3. Check voltage between BCM connectors and ground.
Symptom Repair orderRefer to page
Key reminder door function does not operate properly. 1. BCM power supply and ground circuit check
BCS-16
2. Door switch check (hatchback) BL-44
3. Door switch check (sedan)BL-47
4. Key switch (insert) checkBL-48
5. Replace BCM.BCS-19
Power door lock does not operate with door lock and un-
lock switch on main power window and door lock/unlock
switch or power window and door lock/unlock switch RH1. Door lock/unlock switch check
BL-49
2. Replace BCM.BCS-19
One or both rear door lock actuators do not operate. 1. Passenger select unlock relay circuit check BL-56
Front door lock assembly LH (actuator) does not operate. 1. Front door lock assembly LH (actuator) checkBL-52
Specific door lock actuator does not operate.1. Door lock actuator check (Front RH, Rear LH/RH) BL-54
Power door lock does not operate with front door key cyl-
inder switch operation.1. Front door key cylinder switch check
BL-54
2. Replace BCM.BCS-19
All power door locks do not operate.1. BCM power supply and ground circuit check
BCS-162. Door lock/unlock switch check BL-49
3. Replace BCM.BCS-19
Vehicle speed sensing auto door LOCK operation does
not operate.1. Ensure automatic door lock/unlock function (lock
operation) is enabled.
BL-41
2. Check combination meter vehicle speed signal.
DI-16
3. Check intermittent incident.GI-22
Ignition OFF interlock auto door UNLOCK function does
not operate.1. Ensure automatic door lock/unlock function (unlock
operation) is enabled.
BL-41
2. Check BCM for DTCs.
BCS-18
3. Check intermittent incident. GI-22
LIIA2415E
Revision: May 2010 2011 Versa

BL-46
< SERVICE INFORMATION >
POWER DOOR LOCK SYSTEM
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
OK1 >> (Front and rear doors) Switch circuit is OK.
OK2 >> (Back door) GO TO 4
NG >> Replace door switch.
4.CHECK BACK DOOR SWITCH GROUND
Check continuity between back door lock assembly connector D405
terminal 4 and ground.
OK or NG
OK1 >> Back door switch circuit is OK (without Intelligent Key).
OK2 >> GO TO 5 (with Intelligent Key).
NG >> Repair or replace harness.
5.CHECK BACK DOOR SWITCH SIGNAL FOR SHORT
1. Disconnect Intelligent Key unit.
2. Check continuity between BCM connector M18 terminal 30 and ground.
OK or NG
OK >> Back door switch circuit is OK.
NG >> Repair or replace harness. Door switch is released :
Continuity should exist.
Door switch is pushed : Co ntinuity should not exist.
PIIB6899E
When back door is open : Continuity should exist.
When back door is closed : Co ntinuity should not exist.
WIIA1245E
4 - Ground: Continuity should exist.
WIIA1246E
30 - Ground : Continuity should not exist.
WIIA1299E
Revision: May 2010 2011 Versa

BL-48
< SERVICE INFORMATION >
POWER DOOR LOCK SYSTEM
OK or NG
OK >> GO TO 3
NG >> Repair or replace harness.
3.CHECK DOOR SWITCHES
Check continuity between door switch terminal and switch case ground.
OK or NG
OK >> Check door switch case ground condition.
NG >> Replace door switch.
Key Switch (I nsert) CheckINFOID:0000000005929296
1.CHECK KEY SWITCH INPUT SIGNAL
With CONSULT-III
Check key switch "KEY ON SW" in DATA MONITOR mode with CONSULT–III. Refer to BL-41, "
CONSULT-III
Function (BCM)" .
• When key is inserted into ignition key cylinder:
• When key is removed from ignition key cylinder:
Without CONSULT-III
Check voltage between BCM connector and ground.
OK or NG
OK >> Key switch circuit is OK.
NG-1 >> GO TO 2 (with Intelligent Key).
NG-2 >> GO TO 3 (without Intelligent Key).
2.CHECK KEY SWITCH (WITH INTELLIGENT KEY)
1. Turn ignition switch OFF.
2. Disconnect key switch and ignition knob switch connector.
3. Check key switch.
Component Terminals Condition of
switch Continuity
Front door switch LH/RH 2 – Case ground Pushed
No
Released Yes
Rear door switch LH/RH 1 – Case ground Pushed
No
Released Yes
LIIA0550E
KEY ON SW : ON
KEY ON SW : OFF
ConnectorTe r m i n a l s
ConditionVoltage (V)
(Approx.)
( + ) ( – )
M18 37 Ground Key is inserted. Battery voltage
Key is removed. 0
LIIA0567E
Revision: May 2010 2011 Versa

POWER DOOR LOCK SYSTEMBL-49
< SERVICE INFORMATION >
C
DE
F
G H
J
K L
M A
B
BL
N
O P
OK or NG
OK >> Check the following. • 10A fuse (No. 31, located in fuse and fusible linkblock)
• Harness for open or short between key switch and ignition knob switch and fuse
• Harness for open or short between BCM and key switch and ignition knob switch
NG >> Replace key switch and ignition knob switch.
3.CHECK KEY SWITCH (WITHO UT INTELLIGENT KEY)
1. Turn ignition switch OFF.
2. Disconnect key switch and key lock solenoid connector.
3. Check key switch.
OK or NG
OK >> Check the following. • 10A fuse [No. 14, located in fuse block (J/B)]
• Harness for open or short between key switch and key
lock solenoid and fuse
• Harness for open or short between BCM and key
switch and key lock solenoid
NG >> Replace key switch and key lock solenoid.
Door Lock and Unlock Switch CheckINFOID:0000000005929297
1.CHECK DOOR LOCK AND UNLOCK INPUT SIGNAL
With CONSULT-III
Check door lock and unlock switch (“CDL LOCK SW” and “CDL UNLOCK SW”) in DATA MONITOR mode with
CONSULT-III.
Without CONSULT-III
Check voltage between BCM connector and ground
Te r m i n a l
ConditionContinuity
Key switch and ignition knob
switch
12K ey Inserted
Yes
Removed No
PIIB6411E
Terminals Condition Continuity
1 – 2 Key is inserted.
Yes
Key is removed. No
PIIB6411E
Test item Condition
CDL LOCK SW Door lock and unlock switch is turned to LOCK : ON
Other than above
: OFF
CDL UNLOCK SW Door lock and unlock switch is turned to UNLOCK : ON
Other than above
: OFF
Revision: May 2010 2011 Versa

BL-54
< SERVICE INFORMATION >
POWER DOOR LOCK SYSTEM
OK or NG
OK >> Replace front door lock assembly RH (actuator). Refer to BL-167, "Removal and Installation" .
NG >> Replace BCM. Refer to BCS-19, "
Removal and Installation of BCM" .
Rear Door Lock Actuator LH/RH CheckINFOID:0000000005929299
1.CHECK DOOR LOCK ACTUATOR HARNESS
NOTE:
For models with Intelligent Key, insure that passenger select unlock relay remains connected during this test.
1. Turn ignition switch OFF.
2. Disconnect BCM and each door lock actuator.
3. Check continuity between BCM connector (A) M20 terminals 65, 66 and rear door lock actuator RH connector (B) D305, rear
door lock actuator LH connector (C) D205 terminals 2, 3.
4. Check continuity between BCM connector (A) M20 terminals 65, 66 and body ground.
OK or NG
OK >> GO TO 2
NG >> Check the following: • Without Intelligent Key: Repair or replace harness.
• With Intelligent Key: Repair or replace harness or pas-senger select unlock relay.
2.CHECK DOOR LOCK ACTUATOR SIGNAL
1. Reconnect BCM.
2. Check voltage between BCM connector M20 terminals 65, 66 and ground.
OK or NG
OK >> Replace rear door lock actuator LH/RH. Refer to BL-170, "Removal and Installation" .
NG >> Replace BCM. Refer to BCS-19, "
Removal and Installation of BCM" .
Front Door Lock Assembly LH (Key Cylinder Switch) CheckINFOID:0000000005929300
1.CHECK FRONT DOOR LOCK ASSEMB LY LH (KEY CYLINDER SWITCH)
With CONSULT-III
Connector Terminal Connector Terminal Continuity
A: M20 65
B: D305
C: D205 3Y
es
66 2Yes
Connector Terminals Continuity
A: M20 65
Ground No
66 No
LIIA2526E
ConnectorTe r m i n a l s
ConditionVoltage (V)
(Approx.)
(+) (-)
M20 65
Ground Main power window and
door lock/unlock switch is
turned to UNLOCK
0
→ Battery voltage
66 Main power window and
door lock/unlock switch is
turned to LOCK 0
→ Battery voltage
LIIA1357E
Revision: May 2010 2011 Versa

POWER DOOR LOCK SYSTEMBL-55
< SERVICE INFORMATION >
C
DE
F
G H
J
K L
M A
B
BL
N
O P
Check front door key cylinder switch ("KEY CYL LK -SW") and ("KEY CYL UN-SW) in DATA MONITOR mode
in CONSULT–III. Refer to BL-41, "
CONSULT-III Function (BCM)" .
• When key inserted in front key cylinder is turned to LOCK:
• When key inserted in front key cylinder is turned to UNLOCK:
Without CONSULT-III
Check voltage between BCM connector M18 terminals 7, 8 and
ground.
OK or NG
OK >> Front door lock assembly LH (key cylinder switch) signal is OK.
NG >> GO TO 2
2.CHECK FRONT DOOR LOCK ASSEMBLY LH (KEY CYLINDER SWITCH) GROUND HARNESS
1. Turn ignition switch OFF.
2. Disconnect front door lock assembly LH (key cylinder switch).
3. Check continuity between front door lock assembly LH (key cyl- inder switch) connector D14 terminal 4 and body ground.
OK or NG
OK >> GO TO 3
NG >> Repair or replace harness.
3.CHECK FRONT DOOR LOCK ASSEM BLY LH (KEY CYLINDER SWITCH)
Check continuity between front door lock assembly LH (key cylinder
switch) terminals.
OK or NG
OK >> GO TO 4
NG >> Replace front door lock assembly LH (key cylinder switch). Refer to BL-167
.
4.CHECK FRONT DOOR LOCK ASSEMBLY LH (KEY CYLINDER SWITCH) HARNESS
KEY CYL LK-SW : ON
KEY CYL UN-SW : ON
Connector
Te r m i n a l s
ConditionVoltage (V)
(Approx.)
( + ) ( – )
M18 7
Ground Neutral/Lock
5
Unlock 0
8 Neutral/Unlock
5
Lock 0
WIIA1247E
Connector TerminalsContinuity
D14 4 – Ground Yes
AWKIA1667ZZ
Terminals Door key cylinder switch position Continuity
4 – 6 Neutral/Unlock
No
Lock Yes
4 – 5 Neutral/Lock
No
Unlock Yes
AWKIA1668ZZ
Revision: May 2010 2011 Versa

BL-56
< SERVICE INFORMATION >
POWER DOOR LOCK SYSTEM
1. Disconnect BCM connector M18.
2. Check continuity between BCM connector (A) M18 terminals 7,8 and front door lock assembly LH (key cylinder switch) connec-
tor (B) D14 terminals 5, 6 and body ground.
OK or NG
OK >> Front door lock assembly LH (key cylinder switch) circuit is OK.
NG >> Repair or replace harness.
Passenger Select Unlock Relay Circuit Inspection (With Intelligent Key)INFOID:0000000005929301
1.CHECK PASSENGER SELECT UNLOCK RELAY CIRCUIT
NOTE:
Passenger select unlock relay must remain connected during this step.
1. Turn ignition switch OFF.
2. Disconnect BCM and inoperative rear door lock actuator.
3. Check continuity between BCM connector (A) M20 terminal 65 and rear door lock actuator LH connector (B) D205 terminal 3 or
rear door lock actuator RH connector (C) D305 Terminal 3.
4. Check continuity between BCM connector (A) M20 terminal 65 and body ground.
OK or NG
OK >> GO TO 4
NG >> GO TO 2
2.CHECK PASSENGER SELECT UNLOCK RELAY INPUT
1. Disconnect passenger select unlock relay.
2. Check continuity between BCM connector (A) M20 terminal 65 and passenger select unlock relay connector (B) M2 terminal 3.
3. Check continuity between BCM connector (A) M20 terminal 65 and body ground.
OK or NG
OK >> GO TO 3
NG >> Repair or replace harness between BCM and relay.
3.CHECK PASSENGER SELECT UNLOCK RELAY OUTPUT
Connector Terminal Connector Terminal Continuity
A: M18 7
B: D14 5Y
es
86Y es
7G ro u nd N o
8G ro u nd N o
AWKIA1669ZZ
65 - 3 : Continuity should exist.
65 - Ground : Continuity should not exist.
WIIA1164E
65 - 3 : Continuity should exist.
65 - Ground : Continuity should not exist.
WIIA1165E
Revision: May 2010 2011 Versa

BL-58
< SERVICE INFORMATION >
REMOTE KEYLESS ENTRY SYSTEM
REMOTE KEYLESS ENTRY SYSTEM
Component Parts and Harness Connector LocationINFOID:0000000005929302
System DescriptionINFOID:0000000005929303
INPUTS
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.
When the key switch is ON (key is inserted in ignition key cylinder), power is supplied
ALKIA1754ZZ
1. BCM M18, M19, M20
(view with glove box removed) 2. Remote keyless entry receiver M23 3. Horn relay H-1
(front of battery)
4. IPDM E/R E46, E48 5. Front door switch LH B8, RH B108 6. Rear door switch LH B6, RH B116
7. Back door lock assembly (back door switch) D405 (hatchback view with
back door open) 8. Key switch and key lock solenoid
M27 9. Horn E18, E20
Revision: May 2010
2011 Versa