2011 NISSAN LATIO ignition

BL-132
< SERVICE INFORMATION >
INTELLIGENT KEY SYSTEM
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 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
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: May 2010 2011 Versa

BL-134
< SERVICE INFORMATION >
INTELLIGENT KEY SYSTEM
Door Switch Check (Sedan)
INFOID:0000000006222721
1.CHECK DOOR SWITCHES INPUT SIGNAL
With 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: May 2010 2011 Versa

INTELLIGENT KEY SYSTEMBL-135
< SERVICE INFORMATION >
C
DE
F
G H
J
K L
M A
B
BL
N
O P
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.
Door Request Switch CheckINFOID:0000000005929348
1.CHECK DOOR REQUEST SWITCH
With CONSULT-III
Check door request switch (“DR REQ SW” or “AS REQ SW”) in “DATA MONITOR” mode.
Without CONSULT-III
1. Turn ignition switch OFF.
2. Check voltage between Intelligent Key unit harness connector and ground.
OK or NG
OK >> Door request switch circuit is OK.
NG >> GO TO 2
2.CHECK DOOR REQUEST SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect Intelligent Key unit and front door request switch connector.
3. Check continuity between Intelligent Key uni t connector and front door request switch connector.
Component TerminalsCondition 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
Monitor item Condition
DR REQ SW
AS REQ SW Door request switch is pressed: ON
Door request switch is released: OFF
Te r m i n a l s
Door re-
quest
switch
Condition Voltage (V)
(Approx.)
(+)
(–)
Intelligent Key unit
connector Te r m i n a l
M52 Front door re-
quest switch LH 5
Ground Pressed 0
Released 5
Front door re-
quest switch RH 25Pressed 0
Released 5
PIIB6613E
Revision: May 2010 2011 Versa

INTELLIGENT KEY SYSTEMBL-137
< SERVICE INFORMATION >
C
DE
F
G H
J
K L
M A
B
BL
N
O P
OK or NG
OK >> Check the condition of harness and connector.
NG >> Replace Intelligent Key unit. Refer to BL-158, "
Removal
and Installation of Intelligent Key Unit".
Back Door Request Switch Check (Hatchback)INFOID:0000000005929349
1.CHECK BACK DOOR REQUEST SWITCH
With CONSULT-III
Check back door request switch (“BD/TR REQ SW”) in “DATA MONITOR” mode.
Without CONSULT-III
1. Turn ignition switch OFF.
2. Check voltage between Intelligent Key unit connector and ground.
OK or NG
OK >> Back door request switch circuit is OK.
NG >> GO TO 2
2.CHECK BACK DOOR REQUEST SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect Intelligent Key unit and back door request switch connector.
3. Check continuity between Intelligent Key unit connector (A) M52 terminal 29 and back door request switch connector (B) D406 terminal 1.
4. Check continuity between Intelligent Key unit connector (A) M52 terminal 29 and ground.
Te r m i n a l s
Voltage (V)(Approx.)
(+)
(–)
Intelligent Key unit
connector Te r m i n a l
M52 5
Ground 5
25
PIIB6613E
Monitor item Condition
BD/TR REQ SW Back door request switch is pressed: ON
Back door request switch is released: OFF
Te r m i n a l s
Back door re-
quest switch condition Voltage (V)
(Approx.)
(+)
(–)
Intelligent Key
unit connector Te r m i n a l
M52 29Ground Pressed
0
Released 5
PIIB6617E
AB
Continuity
Intelligent Key
unit connector Te r m i n a l Back door request
switch connector Te r m i n a l
M52 29D406 1Yes
PIIB6618E
Revision: May 2010 2011 Versa

INTELLIGENT KEY SYSTEMBL-139
< SERVICE INFORMATION >
C
DE
F
G H
J
K L
M A
B
BL
N
O P
Without CONSULT-III
1. Turn ignition switch OFF.
2. Check voltage between Intelligent Key unit connector and ground.
OK or NG
OK >> Trunk opener request switch circuit is OK.
NG >> GO TO 2
2.CHECK TRUNK OPENER REQUEST SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect Intelligent Key unit and trunk opener request switch connector.
3. Check continuity between Intelligent Key unit connector (A) M52 terminal 29 and trunk opener request switch connector (B) B129 terminal 1.
4. Check continuity between Intelligent Key unit connector (A) M52 terminal 29 and ground.
OK or NG
OK >> GO TO 3
NG >> Repair or replace harness between Intelligent Key unit and trunk opener request switch.
3.CHECK TRUNK OPENER REQUEST SWITCH OPERATION
Check continuity of trunk opener request switch.
OK or NG
OK >> GO TO 4
NG >> Replace trunk opener request switch.
Monitor item Condition
BD/TR REQ SW Trunk opener request switch is pressed: ON
Trunk opener request switch is released: OFF
Te r m i n a l s
Trunk opener
request switch condition Voltage (V)
(Approx.)
(+)
(–)
Intelligent Key
unit connector Te r m i n a l
M52 29Ground Pressed
0
Released 5
PIIB6617E
AB
Continuity
Intelligent Key
unit connector Te r m i n a l Trunk opener re-
quest switch con-
nector Te r m i n a l
M52 29B129 1Yes
A GroundContinuity
Intelligent Key unit
connector Te r m i n a l
M52 29 No
PIIB6618E
Te r m i n a l
trunk opener request
switch condition Continuity
trunk opener request switch
12 Pressed
Yes
Released No
PIIB6336E
Revision: May 2010 2011 Versa

INTELLIGENT KEY SYSTEMBL-141
< SERVICE INFORMATION >
C
DE
F
G H
J
K L
M A
B
BL
N
O P
1. Turn ignition switch OFF.
2. Disconnect Intelligent Key unit and front door lock assembly LH (door unlock sensor) connector.
3. Check continuity between Intelligent Key unit connector (A) ter- minal 28 and front door lock assembly LH (door unlock sensor)
connector (B) terminal 3.
4. Check continuity between Intelligent Key unit connector and ground.
OK or NG
OK >> GO TO 3
NG >> Repair or replace harness between Intelligent Key unit and front door lock assembly LH (door unlock sensor).
3.CHECK UNLOCK SENSOR OPERATION
Check unlock sensor.
OK or NG
OK >> GO TO 4
NG >> Replace unlock sensor.
4.CHECK UNLOCK SENSOR GROUND CIRCUIT
Check continuity between front door lock assembly LH (door unlock
sensor) connector and ground.
OK or NG
OK >> GO TO 5
NG >> Repair or replace harness.
5.CHECK INTELLIGENT KEY UNIT OUTPUT SIGNAL
1. Connect Intelligent Key unit harness connector.
2. Check voltage between Intelligent Key unit connector and ground.
AB
Continuity
Intelligent Key unit
connector Te r m i n a l Front door lock as-
sembly LH (door
unlock sensor) con-
nector Te r m i n a l
M52 28D14 3Yes
A GroundContinuity
Intelligent Key unit con-
nector Te r m i n a l
M52 28 No
AWKIA1670ZZ
Te r m i n a l
Driver side door
condition Continuity
Unlock sensor
34 Lock
No
Unlock Yes
AWKIA1671ZZ
Front door lock assem-
bly LH (door unlock sensor) connector Te r m i n a l
GroundContinuity
D14 4 Yes
AWKIA1672ZZ
Revision: May 2010 2011 Versa

INTELLIGENT KEY SYSTEMBL-143
< SERVICE INFORMATION >
C
DE
F
G H
J
K L
M A
B
BL
N
O P
OK or NG
OK >> Intelligent Key warning buzzer is OK.
NG >> Replace inoperative Intelligent Key warning buzzer.
Outside Key Antenna (Driver Si de and Passenger Side) CheckINFOID:0000000005929353
1.CHECK OUTSIDE KEY ANTENNA FUNCTION
With CONSULT-III
1. Check the operation with (“ANT ENNA”) in the ACTIVE TEST.
2. Touch “DRIVER ANT” and “ASSIST ANT” on screen.
3. Carry the Intelligent Key into the antenna detection area.
Do the hazard lamps flash?
Yes >> Outside key antenna (driver side or passenger side) is OK.
No >> GO TO 2
2.CHECK OUTSIDE KEY ANTENNA INPUT SIGNAL 1
1. Turn ignition switch OFF.
2. Check signal between Intelligent Key unit connector and ground with oscilloscope.
OK or NG
OK >> Outside key antenna is OK.
NG >> GO TO 3
3.CHECK OUTSIDE KEY ANTENNA CIRCUIT
1. Disconnect Intelligent Key unit and outside key antenna connector.
2. Check continuity between Intelligent Key unit connector and outside key antenna connector. 1 (BAT+) - 2 (BAT-) : the buzzer sounds
PIIB6624E
Test item
Corresponding antenna
DRIVER ANT Outside key antenna driver side
ASSIST ANT Outside key antenna pass enger side
Te r m i n a l s
Condition Signal
(Reference value.)
(+)
(–)
Intelligent Key
unit connector Te r m i -
nal
M52 Driver
side 19
Ground Door re-
quest
switch is pushed
Passen-
ger side 37
PIIB6626E
SIIA1910J
Revision: May 2010
2011 Versa

INTELLIGENT KEY SYSTEMBL-145
< SERVICE INFORMATION >
C
DE
F
G H
J
K L
M A
B
BL
N
O P
Do the hazard lamps flash?
Yes >> Rear bumper antenna is OK.
No >> GO TO 2
2.CHECK REAR BUMPER ANTENNA INPUT SIGNAL 1
1. Turn ignition switch OFF.
2. Check signal between Intelligent Key unit connector and ground with oscilloscope.
OK or NG
OK >> Rear bumper antenna is OK.
NG >> GO TO 3
3.CHECK REAR BUMPER ANTENNA CIRCUIT
1. Disconnect Intelligent Key unit and rear bumper antenna connector.
2. Check continuity between Intelligent Key unit connector and rear bumper antenna connector.
3. Check continuity between Intelligent Key unit connector and ground.
OK or NG
OK >> GO TO 4
NG >> Repair or replace harness between Intelligent Key unit and rear bumper antenna.
4.CHECK REAR BUMPER ANTENNA INPUT SIGNAL 2
1. Replace rear bumper antenna (new antenna or other antenna).
2. Connect Intelligent Key unit and rear bumper antenna connector.
3. Check signal between Intelligent Key unit connector and ground with oscilloscope.
Test item Corresponding antenna
BK DOOR ANT Rear bumper antenna
Te r m i n a l s
Condition Signal
(Reference value.)
(+)
(–)
Intelligent
Key unit
connector Te r m i n a l
M52 17 Ground Back door
request
switch is
pushed
PIIB6628E
SIIA1910J
AB
Continuity
Intelligent Key unit
connector Te r m i n a l
Rear bumper an-
tenna connector Te r m i n a l
M52 17
B2 1
Ye s
18 2
A GroundContinuity
Intelligent Key unit
connector Te r m i n a l
M52 17
No
18
PIIB6629E
Revision: May 2010 2011 Versa