2011 NISSAN LATIO ignition

POWER DOOR LOCK SYSTEMBL-37
< SERVICE INFORMATION >
C
DE
F
G H
J
K L
M A
B
BL
N
O P
Terminal and Reference Value for BCMINFOID:0000000006215769
Te r m i n a l Wire
color Signal name Signal
input/
output Measuring condition
Reference value or waveform
(Approx.)
Ignition
switch Operation or condition
2BR Combination switch
input 5
Input ONLighting, turn, wiper OFF
Wiper dial position 4
3GR Combination switch
input 4 Input ONLighting, turn, wiper OFF
Wiper dial position 4
4L Combination switch
input 3
Input ONLighting, turn, wiper OFF
Wiper dial position 4
5G Combination switch
input 2
Input ONLighting, turn, wiper OFF
Wiper dial position 4
6V Combination switch
input 1
7
7BR Front door key cylin-
der switch LH (unlock) Input
OFFON (open, 2nd turn)
Momentary 1.5V
OFF (closed) 0V
8
7Y Front door key cylin-
der switch LH (lock) InputOn (open)
Momentary 1.5V
OFF (closed) 0V
9W Rear window defogger
switch Input ONRear window defogger switch
ON
0V
Rear window defogger switch
OFF 5V
10 R Defrost A/C switch sig-
nal
Input ONA/C switch OFF
5V
A/C switch ON 0V
11 L Ignition switch (ACC
or ON) InputACC or
ON Ignition switch ACC or ON
Battery voltage
12 SB Front door switch RH Input OFF ON (open)
0V
OFF (closed) Battery voltage
13 GR Rear door switch RH Input OFF ON (open)
0V
OFF (closed) Battery voltage
SKIA5291E
SKIA5292E
SKIA5291E
SKIA5292E
Revision: May 2010 2011 Versa

BL-38
< SERVICE INFORMATION >
POWER DOOR LOCK SYSTEM
15 WTire pressure warning
check connector
Input OFF
—5V
18 V Remote keyless entry
receiver (ground) Output OFF
—0V
19 BR Remote keyless entry
receiver (power sup-
ply) Output OFF Ignition switch OFF
20 G Remote keyless entry
receiver signal (signal)
Input OFFStand-by (keyfob buttons re-
leased)
When remote keyless entry
receiver receives signal from
keyfob (keyfob buttons
pressed)
21 P NATS antenna amp. Input/
Output OFF
→
ON Ignition switch (OFF
→ ON)Just after turning ignition switch
ON: Pointer of tester should
move for approx. 1 second, then
return to battery voltage.
23 R Security indicator
lamp Output OFF
Goes OFF
→ illuminates (Ev-
ery 2.4 seconds) Battery voltage
→ 0V
25 LG NATS antenna amp. Input/
Output OFF
→
ON Ignition switch (OFF
→ ON)Just after turning ignition switch
ON: Pointer of tester should
move for approx. 1 second, then return to battery voltage.
26 GR Thermo control amp. Input ON A/C switch ON
27 O Compressor ON sig-
nal Input ONA/C switch OFF
5V
A/C switch ON 0V
28 P Front blower monitor Input ON Front blower motor OFF
Battery voltage
Front blower motor ON 0V
29 L Hazard switch Input OFFON
0V
OFF 5V
Te r m i n a l
Wire
color Signal name Signal
input/
output Measuring condition
Reference value or waveform
(Approx.)
Ignition
switch Operation or condition
LIIA1893E
LIIA1894E
LIIA1895E
ZJIA0719J
Revision: May 2010
2011 Versa

POWER DOOR LOCK SYSTEMBL-39
< SERVICE INFORMATION >
C
DE
F
G H
J
K L
M A
B
BL
N
O P
301LG Back door/trunk lid in-
put Input —Back door/trunk lid opener
switch ON (closed) Battery voltage
↓0
↓
Battery voltage
Back door/trunk lid opener
switch OFF (open) Battery voltage
30
3V Back door opener
switch
Input —All doors locked (SW OFF)
Battery voltage
All doors unlocked (SW ON) 0V
30
4V Trunk lid opener
switch
Input —All doors locked (SW OFF)
Battery voltage
All doors unlocked (SW ON) 0V
32 LG Combination switch
output 5 Output ONLighting, turn, wiper OFF
Wiper dial position 4
33 Y Combination switch
output 4 Output ON
Lighting, turn, wiper OFF
Wiper dial position 4
34 V Combination switch
output 3
Output ONLighting, turn, wiper OFF
Wiper dial position 4
35 R Combination switch
output 2
Output ONLighting, turn, wiper OFF
Wiper dial position 4
36 P Combination switch
output 1
37
1G Key switch and igni-
tion knob switch Input OFFIntelligent Key inserted
Battery voltage
Intelligent Key removed 0V
37
2G Key switch and key
lock solenoid Input OFFKey inserted
Battery voltage
Key removed 0V
38 W Ignition switch (ON) Input ON —Battery voltage
39 L CAN-H — —— —
40 P CAN-L — —— —
41
6W Trunk key cylinder
switch
Input —ON (Full unlock position)
0V
OFF (Neutral position) 5V
Te r m i n a l
Wire
color Signal name Signal
input/
output Measuring condition
Reference value or waveform
(Approx.)
Ignition
switch Operation or condition
SKIA5291E
SKIA5292E
SKIA5291E
SKIA5292E
Revision: May 2010
2011 Versa

BL-40
< SERVICE INFORMATION >
POWER DOOR LOCK SYSTEM
426Y Trunk lamp switch Input OFFON (trunk open)
0V
OFF (trunk closed) Battery voltage
43
5R Back door switch Input OFF ON (open) 0V
OFF (closed)
Battery voltage
44
5LG Rear wiper auto stop Input ON Rear wiper operating 0
Rear wiper stopped
Battery
45
7GR Lock switch Input OFFON (lock)
0V
OFF Battery voltage
46
7L Unlock switch Input OFFON (unlock)
0V
OFF Battery voltage
47 BR Front door switch LH Input OFF ON (open)
0V
OFF (closed) Battery voltage
48 O Rear door switch LH Input OFF ON (open)
0V
OFF (closed) Battery voltage
49 P Luggage room lamp Output OFF Any door open (ON)
0V
All doors closed (OFF) Battery voltage
50 SB A/C indicator Output ONA/C OFF
0
A/C ON Battery voltage
53
5R Back door lock assem-
bly (actuator)
Output OFF Back door (open)
Battery voltage
53
6R Trunk lamp switch and
trunk release solenoid Output OFF Trunk lid (open)
Battery voltage
55
5V Rear wiper motor out-
put
Output ONOFF
0
ON Battery voltage
56 R Battery saver output Output OFF
15 minutes after ignition
switch is turned OFF 0V
ON — Battery voltage
57 LG Battery power supply Input OFF —Battery voltage
59
7G Front door lock actua-
tor LH (unlock)
Output OFFOFF (neutral)
0V
ON (unlock) Battery voltage
60 V Turn signal (left) Output ON Turn left ON
61 W Turn signal (right) Output ON Turn right ON
Te r m i n a l
Wire
color Signal name Signal
input/
output Measuring condition
Reference value or waveform
(Approx.)
Ignition
switch Operation or condition
SKIA3009J
SKIA3009J
Revision: May 2010
2011 Versa

POWER DOOR LOCK SYSTEMBL-41
< SERVICE INFORMATION >
C
DE
F
G H
J
K L
M A
B
BL
N
O P
1: With Intelligent Key
2: Without Intelligent Key
3: Hatchback without Intelligent Key
4: Sedan without Intelligent Key
5: Hatchback
6: Sedan
7: With power door locks
8: With power windows
Work FlowINFOID:0000000005929290
1. Check the symptom and customer's requests.
2. Understand the outline of system. Refer to BL-23, "
System Description" .
3. According to the trouble diagnosis chart, repair or replace the cause of the malfunction. Refer to BL-119,
"Trouble Diagnosis Symptom Chart" .
4. Does power door lock system operate normally? OK: GO TO 5, NG: GO TO 3.
5. Inspection End.
CONSULT-III Function (BCM)INFOID:0000000005929291
CONSULT-III can display each diagnostic item using the diagnostic test modes shown following.
63 BR Interior room lamp Output OFF Any door
switchON (open)
0V
OFF (closed) Battery voltage
65
7SB All door lock actuators
(lock) Output OFFOFF (neutral)
0V
ON (lock) Battery voltage
66
7G Front door lock actua-
tor RH, rear door lock
actuators LH/RH (un-
lock) Output OFFOFF (neutral)
0V
ON (unlock) Battery voltage
67 B Ground Input ON—0V
68
8L Power window power
supply (RAP)
Output —Ignition switch ON
Battery voltage
Within 45 seconds after igni-
tion switch OFF Battery voltage
More than 45 seconds after ig-
nition switch OFF 0V
When front door LH or RH is
open or power window timer
operates 0V
69
8P Battery power supply OutputOFF
— Battery voltage
70 Y Battery power supply Input OFF —Battery voltage
Te r m i n a l
Wire
color Signal name Signal
input/
output Measuring condition
Reference value or waveform
(Approx.)
Ignition
switch Operation or condition
Diagnostic mode
Description
WORK SUPPORT Supports inspections and adjustments. Commands are transmitted to the BCM for setting the status
suitable for required operation, input/output signals are received from the BCM and received date
is displayed.
DATA MONITOR Displays BCM input/output data in real time. ACTIVE TEST Operation of electrical loads can be checked by sending drive signal to them.
SELF DIAGNOSTIC RESULT Displays BCM self-diagnosis results.
CAN DIAG SUPPORT MNTR The result of transmit/receive diagnosis of CAN communication can be read.
Revision: May 2010 2011 Versa

BL-42
< SERVICE INFORMATION >
POWER DOOR LOCK SYSTEM
WORK SUPPORT
DATA MONITOR
*: With Remote Keyless Entry system
**: With Intelligent Key system
ACTIVE TEST
ECU IDENTIFICATION BCM part number can be read.CONFIGURATION Performs BCM configuration read/write functions.Diagnostic mode
Description
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: May 2010 2011 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: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-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:0000000005929294
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: May 2010 2011 Versa