NISSAN LATIO 2011 Service Repair Manual

INTELLIGENT KEY SYSTEMBL-131
< SERVICE INFORMATION >
C
DE
F
G H
J
K L
M A
B
BL
N
O P
4.CHECK IGNITION KN OB SWITCH CIRCUIT
1. Disconnect Intelligent Key unit connector.
2. Check continuity between Intelligent Key unit c onnector (A) terminal 27 and key switch and ignition knob
switch connector (B) terminal 3.
3. Check continuity between Intelligent Key unit connector (A) ter- minal 27 and ground.
OK or NG
OK >> Check the condition of harness and harness connector.
NG >> Repair or replace harness between Intelligent Key unit and key switch and ignition knob switch.
Door Switch Check (Hatchback)INFOID:0000000006222720
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:
Without CONSULT-III
Check voltage between BCM connector M18 or M19 terminals 12, 13, 43, 47, 48 and ground.
AB
Continuity
Intelligent Key unit
connector Te r m i n a lKey switch and ig-
nition knob switch
connector Te r m i n a l
M52 27M73 3Yes
A GroundContinuity
Intelligent Key unit connector Terminal
M52 27 No
PIIB6605E
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

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

INTELLIGENT KEY SYSTEMBL-133
< SERVICE INFORMATION >
C
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G H
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M A
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BL
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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
OK >> GO TO 5
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 : Continuity should not exist.
PIIB6899E
When back door is open : Continuity should exist.
When back door is closed : Continuity shou
ld not exist.
WIIA1245E
4 - Ground: Continuity should exist.
WIIA1246E
30 - Ground : Continuity should not exist.
WIIA1299E
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
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M A
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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

BL-136
< SERVICE INFORMATION >
INTELLIGENT KEY SYSTEM
4. Check continuity between Intelligent Key unit connector andground.
OK or NG
OK >> GO TO 3
NG >> Repair or replace harness between Intelligent Key unit and front door request switch.
3.CHECK DOOR REQUEST SWITCH OPERATION
Check front door request switch.
OK or NG
OK >> GO TO 4
NG >> Replace front door request switch.
4.CHECK DOOR REQUEST SWITCH GROUND CIRCUIT
Check continuity between front door request switch connector and ground.
OK or NG
OK >> GO TO 5
NG >> Repair or replace front door request switch ground cir- cuit.
5.CHECK INTELLIGENT KEY UNIT OUTPUT SIGNAL
1. Connect Intelligent Key unit connector.
2. Check voltage between Intelligent Key unit connector and ground.
AB Continuity
Intelligent Key unit
connector Te r m i n a lFront door request
switch connector Te r m i n a l
M52 5LH D5
1Yes
25 RH D103
A GroundContinuity
Intelligent Key unit
connector Terminal
M52 5
No
25
PIIB6614E
Te r m i n a l Door request
switch condition Continuity
Front outside handle
12 Pressed
Yes
Released No
PIIB6615E
Front outside
handle
connector Te r m i n a l
GroundContinuity
Driver side D5 2Y es
Passenger
side D103
PIIB6616E
Revision: May 2010
2011 Versa

INTELLIGENT KEY SYSTEMBL-137
< SERVICE INFORMATION >
C
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G H
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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

BL-138
< SERVICE INFORMATION >
INTELLIGENT KEY SYSTEM
OK or NG
OK >> GO TO 3
NG >> Repair or replace harness between Intelligent Key unit and back door request switch.
3.CHECK BACK DOOR REQUEST SWITCH OPERATION
Check continuity of back door request switch.
OK or NG
OK >> GO TO 4
NG >> Replace back door request switch.
4.CHECK BACK DOOR REQUEST SWITCH GROUND CIRCUIT
Check continuity between back door request switch connector D406 terminal 2 and ground.
OK or NG
OK >> GO TO 5
NG >> Repair or replace back door request switch ground cir- cuit.
5.CHECK INTELLIGENT KEY UNIT OUTPUT SIGNAL
1. Connect Intelligent Key unit connector.
2. Check voltage between Intelligent Key unit connector M52 terminal 29 and ground.
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".
Trunk Opener Request Switch Check (Sedan)INFOID:0000000005929350
1.CHECK TRUNK OPENER REQUEST SWITCH
With CONSULT-III
Check trunk opener request switch (“BD/TR REQ SW”) in “DATA MONITOR” mode.
A
GroundContinuity
Intelligent Key unit
connector Terminal
M52 29 No
Te r m i n a l
Back door request
switch condition Continuity
Back door request switch
12 Pressed Yes
Released No
PIIB6336E
Back door request switch connector Te r m i n a l
GroundContinuity
D406 2 Yes
PIIB6337E
Te r m i n a l s
Voltage (V)(Approx.)
(+)
(–)
Intelligent Key unit
connector Te r m i n a l
M52 29Ground 5
PIIB6617E
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

BL-140
< SERVICE INFORMATION >
INTELLIGENT KEY SYSTEM
4.CHECK TRUNK OPENER REQUEST SWITCH GROUND CIRCUIT
Check continuity between trunk opener request switch connector B129 terminal 2 and ground.
OK or NG
OK >> GO TO 5
NG >> Repair or replace trunk opener request switch ground circuit.
5.CHECK INTELLIGENT KEY UNIT OUTPUT SIGNAL
1. Connect Intelligent Key unit connector.
2. Check voltage between Intelligent Key unit connector M52 terminal 29 and ground.
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".
Unlock Sensor CheckINFOID:0000000005929351
1.CHECK UNLOCK SENSOR INPUT SIGNAL
Check voltage between Intelligent Key unit connector and ground.
OK or NG
OK >> Unlock sensor circuit is OK.
NG >> GO TO 2
2.CHECK UNLOCK SENSOR CIRCUIT
Trunk opener request switch connector Te r m i n a l
GroundContinuity
B129 2 Yes
PIIB6337E
Te r m i n a l s
Voltage (V)(Approx.)
(+)
(–)
Intelligent Key unit
connector Te r m i n a l
M52 29Ground 5
PIIB6617E
Te r m i n a l s
Front door
lock
(driver side) condition Voltage (V)
(Approx.)
(+)
(–)
Intelligent Key
unit connector Te r m i n a l
M52 28Ground Locked
5
Unlocked 0
PIIB6638E
Revision: May 2010 2011 Versa