NISSAN LATIO 2010 Service Repair Manual

BL-42
< SERVICE INFORMATION >
POWER DOOR LOCK SYSTEM
DATA MONITOR
*: With Remote Keyless Entry system
**: With Intelligent Key system
ACTIVE TEST
Work item Description
DOOR LOCK-UNLOCK SET Select unlock mode can be changed in this mode. Selects ON-OFF of select unlock mode.
ANTI-LOCK OUT SET Key reminder door mode can be changed in this mode. Selects ON-OFF of key reminder door mode.
AUTOMATIC DOOR LOCK
SELECT The following modes can be selected for automatic door lock function:
• VH SPD: All doors are locked when vehicle speed is more than 15 MPH (25 km/h) (factory setting).
• SHIFT OUT OF P: Not allowed.
AUTOMATIC DOOR UN-
LOCK SELECT The following modes can be selected for automatic door unlock function:
• MODE1: Allowed (factory setting for vehicles with Intelligent Key). All doors are unlocked when
the ignition switch is turned from ON to OFF.
• MODE2: Not allowed.
• MODE3: Allowed (factory setting for vehicles without Intelligent Key). All doors are unlocked when
the key is removed from the ignition switch.
• MODE4: Not allowed.
• MODE5: Not allowed.
• MODE6: Not allowed.
AUTOMATIC LOCK/UNLOCK
SELECT •ON
•OFF
Monitor item
Content
IGN ON SW Indicates [ON/OFF] condition of ignition switch in ON position.
KEY ON SW Indicates [ON/OFF] condition of key 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.
DOOR SW-DR Indicates [ON/OFF] condition of front door switch LH.
DOOR SW-AS Indicates [ON/OFF] condition of front door switch RH.
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 Indicates [ON/OFF] condition of back door switch.
KEY CYL LK-SW Indicates [ON/OFF] condition of lock signal from key cylinder.
KEY CYL UN-SW Indicates [ON/OFF] condition of unlock signal from key cylinder.
KEYLESS LOCK* Indicates [ON/OFF] condition of lock signal from keyfob.
KEYLESS UNLOCK* Indicates [ON/OFF] condition of unlock signal from keyfob.
I-KEY LOCK** Indicates [ON/OFF] condition of lock signal from door request switch.
I-KEY UNLOCK** Indicates [ON/OFF] condition of unlock signal from door request switch.
Test item Content
DOOR LOCK This test is able to check door lock operation [ALL LCK/ALL ULK/DR UNLK/OTR ULK].
Revision: January 20102010 Versa

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:0000000005396563
BCM Power Supply and Gr ound Circuit InspectionINFOID:0000000005612414
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-55
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-53
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: January 20102010 Versa

BL-44
< SERVICE INFORMATION >
POWER DOOR LOCK SYSTEM
OK or NG
OK >> GO TO 3.
NG >> Repair or replace the harness.
3.CHECK GROUND CIRCUIT
Check continuity between BCM connector M20 terminal 67 and
ground.
OK or NG
OK >> Power supply and ground circuit is OK.
NG >> Repair or replace harness.
Door Switch Check (Hatchback)INFOID:0000000005396565
1.CHECK DOOR SWITCHES INPUT SIGNAL
With CONSULT-III
Check door switches ("DOOR SW-DR", "DOOR SW-AS", "DOOR SW-RL", "DOOR SW-RR", "BACK DOOR
SW") in DATA MONITOR mode with CONSULT–III. Refer to BL-41, "
CONSULT-III Function (BCM)" .
• When doors are open:
• When doors are closed:
Connector Te r m i n a l s
Power
source Condition Voltage (V) (Ap-
prox.)
(+) (-)
M18 11 Ground
ACC
power
supply Ignition
switch
ACC or ON Battery voltage
38 Ground Ignition
power
supply Ignition
switch ON
or START Battery voltage
M20 57 Ground
Battery
power
supply Ignition
switch OFF Battery voltage
70 Ground Battery
power
supply Ignition
switch OFF Battery voltage
67 - Ground
: Continuity should exist.
LIIA0915E
DOOR SW-DR : ON
DOOR SW-AS : ON
DOOR SW-RL : ON
DOOR SW-RR : ON
BACK DOOR SW : ON
DOOR SW-DR : OFF
DOOR SW-AS : OFF
DOOR SW-RL : OFF
DOOR SW-RR : OFF
BACK DOOR SW : OFF
Revision: January 20102010 Versa

POWER DOOR LOCK SYSTEMBL-45
< SERVICE INFORMATION >
C
DE
F
G H
J
K L
M A
B
BL
N
O P
Without CONSULT-III
Check voltage between BCM connector M18 or M19 terminals 12, 13, 43, 47, 48 and ground.
OK or NG
OK >> Door switch circuit is OK.
NG >> GO TO 2
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 te rminals 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 lo ck 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
Connector Item Te r m i n a l s
ConditionVoltage (V)
(Approx.)
( + ) ( – )
M18 Front door
switch RH 12
Ground Open
↓
Closed 0
↓
Battery voltage
Rear door
switch RH 13
M19 Back door
switch 43
Front door switch LH 47
Rear door switch LH 48
LIIA1041E
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
Revision: January 20102010 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: January 20102010 Versa

POWER DOOR LOCK SYSTEMBL-47
< SERVICE INFORMATION >
C
DE
F
G H
J
K L
M A
B
BL
N
O P
Door Switch Check (Sedan)INFOID:0000000005396566
1.CHECK DOOR SWITCHES INPUT SIGNALWith CONSULT-III
Check door switches ("DOOR SW-DR", "DOOR SW-AS" , "DOOR SW-RL", "DOOR SW-RR") in DATA MONI-
TOR mode with CONSULT–III. Refer to BL-41, "
CONSULT-III Function (BCM)" .
• When doors are open:
• When doors are closed:
Without CONSULT-III
Check voltage between BCM connector M18 or M19 terminals 12, 13, 47, 48 and ground.
OK or NG
OK >> Door switch circuit is OK.
NG >> GO TO 2
2.CHECK DOOR SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect door switch and BCM.
3. Check continuity between door switch connector B8 (F ront LH) or B108 (Front RH) terminal 2, B6 (Rear
LH) or B116 (Rear RH) terminal 1 and BCM connector M18, M19 terminals 12, 13, 47 and 48.
4. Check continuity between door switch connector B8 (Front LH) or B108 (Front RH) terminal 2, B6 (Rear LH) or B116 (Rear RH)
terminal 1 and ground.DOOR SW-DR : ON
DOOR SW-AS : ON
DOOR SW-RL : ON
DOOR SW-RR : ON
DOOR SW-DR : OFF
DOOR SW-AS : OFF
DOOR SW-RL : OFF
DOOR SW-RR : OFF
Connector Item
Te r m i n a l s
ConditionVoltage (V)
(Approx.)
( + ) ( – )
M19 Front door
switch LH 47
Ground Open
↓
Closed 0
↓
Battery voltage
Rear door
switch LH 48
M18 Front door
switch RH 12
Rear door
switch RH 13
LIIA1177E
2 - 47
: Continuity should exist.
2 - 12 : Continuity should exist.
1 - 48 : Continuity should exist.
1 - 13 : Continuity should exist.
2 - Ground : Continuity should not exist.
1 - Ground : Continuity should not exist.
LIIA1350E
Revision: January 20102010 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:0000000005396567
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 ignition knob switch key switch and ignition knob 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: January 20102010 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
fuse
• Harness for open or short between BCM and key
switch
NG >> Replace key switch and key lock solenoid.
Door Lock and Unlock Switch CheckINFOID:0000000005396568
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: January 20102010 Versa

BL-50
< SERVICE INFORMATION >
POWER DOOR LOCK SYSTEM
OK or NG
OK >> Door lock and unlock switch is OK.
NG >> GO TO 2
2.CHECK DOOR LOCK/UNLOCK SWITCH
1. Turn ignition switch OFF.
2. Disconnect door lock/unlock switch.
3. Check continuity between main power window and door lock/ unlock switch terminals 6, 17 and 18.
4. Check continuity between power window and door lock/unlock switch RH terminals 1, 2 and 3.
OK or NG
OK >> GO TO 3
NG >> Replace door lock/unlock switch.
3.CHECK DOOR LOCK/UNLOCK SWITCH GROUND HARNESS
1. Disconnect main power window and door lock/unlock s witch or power window and door lock/unlock switch
RH.
2. Check continuity between main power window and door lock/
unlock switch connector D8 terminal 17 and ground.
Te r m i n a l s
Door lock and unlock switch condition Voltage (V)
(Approx.)
(+)
(–)
BCM
connector Te r m i n a l
M19 45
Ground Lock
0
Neutral / Unlock Battery voltage
46 Unlock
0
Neutral / Lock Battery voltage
PIIB6412E
Terminal ConditionContinuity
18 17 Lock
Yes
Unlock/Neutral No
6 Unlock
Yes
Lock/Neutral No
WIIA1107E
TerminalConditionContinuity
1 3 Lock
Yes
Unlock/Neutral No
2 Unlock
Yes
Lock/Neutral No
WIIA1108E
17 - Ground : Continuity should exist.
WIIA1109E
Revision: January 20102010 Versa

POWER DOOR LOCK SYSTEMBL-51
< SERVICE INFORMATION >
C
DE
F
G H
J
K L
M A
B
BL
N
O P
3. Check continuity between power window and door lock/unlock switch RH connector D105 terminal 3 and ground
OK or NG
OK >> GO TO 4
NG >> Repair or replace harness.
4.CHECK DOOR LOCK SWITCH CIRCUIT
1. Disconnect BCM.
2. Check continuity between BCM connector M19 (A) terminal 45 and main power window and door lock/ unlock switch connector D8 (B) terminal 18 or power window and door lock/unlock switch RH connector
D105 (C) terminal 1.
3. Check continuity between BCM connector M19 terminal 45 and ground.
4. Check continuity between BCM connector M19 (A) terminal 46 and main power window and door lock/ unlock switch LH connector D7 (B) terminal 6 or power window and door lock/unlock switch RH connector
D105 (C) terminal 2.3 - Ground : Continuity should exist.
WIIA0450E
1 - 45
: Continuity should exist.
18 - 45 : Continuity should exist.
45 - Ground : Continuity should not exist.
WIIA1110E
Revision: January 20102010 Versa