2010 NISSAN LATIO key

BL-74
< SERVICE INFORMATION >
REMOTE KEYLESS ENTRY SYSTEM
2. Align the tips of the upper and lower parts, and then push themtogether until it is securely closed.
CAUTION:
• When replacing battery, keep dirt, grease, and other for-eign materials off the electrode contact area.
3. After replacing the battery, check that all key fob functions work
properly.
Is the inspection result normal?
YES >> Key fob is OK.
NO >> Check remote keyless entry receiver. Refer to BL-80,
"Remote Keyless Entry Receiver Check".
ACC Switch CheckINFOID:0000000005396585
1.CHECK ACC SWITCH
With CONSULT-III
Check ACC switch (“ACC ON SW”) in “DATA MONITOR” mode with CONSULT-III.
Without CONSULT-III
Check voltage between BCM connector and ground.
OK or NG
OK >> ACC switch is OK.
NG >> Check the following. • 10A fuse [No. 20, located in fuse block (J/B)]
• Harness for open or short between BCM and fuse.
Door Switch Check (Hatchback)INFOID:0000000005396586
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:
ALKIA1721GB
Monitor item Condition
ACC ON SW Ignition switch position is ACC or ON : ON
Ignition switch position is OFF
: OFF
Te r m i n a l s
Ignition switch
condition Voltage (V)
(Approx.)
(+)
(–)
BCM connector Terminal
M18 11 Ground ACC or ON Battery voltage
OFF 0
PIIB6453E
DOOR SW-DR : ON
DOOR SW-AS : ON
DOOR SW-RL : ON
DOOR SW-RR : ON
BACK DOOR SW : ON
Revision: January 20102010 Versa

REMOTE KEYLESS ENTRY SYSTEMBL-75
< SERVICE INFORMATION >
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• When doors are closed:
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. DOOR SW-DR : OFF
DOOR SW-AS : OFF
DOOR SW-RL : OFF
DOOR SW-RR : OFF
BACK DOOR SW : OFF
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-76
< SERVICE INFORMATION >
REMOTE KEYLESS ENTRY SYSTEM
3.CHECK DOOR SWITCHES
FRONT AND REAR DOORS
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
OK >> (Front and rear doors) Switch circuit is OK.
OK >> (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 >> Back door switch circuit is OK.
NG >> Repair or replace harness.
Door Switch Check (Sedan)INFOID:0000000005396587
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-69, "
CONSULT-III Function (BCM)".
• When doors are open:
• When doors are closed: 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
DOOR SW-DR : ON
DOOR SW-AS : ON
DOOR SW-RL : ON
DOOR SW-RR : ON
DOOR SW-DR : OFF
DOOR SW-AS : OFF
Revision: January 20102010 Versa

REMOTE KEYLESS ENTRY SYSTEMBL-77
< SERVICE INFORMATION >
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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.
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 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
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
Revision: January 20102010 Versa

BL-78
< SERVICE INFORMATION >
REMOTE KEYLESS ENTRY SYSTEM
Key Switch (I nsert) Check
INFOID:0000000005396588
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 >> GO TO 2
2.CHECK KEY SWITCH
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 andfuse
• Harness for open or short between BCM and key switch
NG >> Replace key switch and key lock solenoid.
Hazard Function CheckINFOID:0000000005396589
1.CHECK HAZARD WARNING LAMP
Does hazard warning lamp flash with hazard switch?
OK or NG
OK >> Hazard warning lamp circuit is OK.
NG >> Check hazard circuit. Refer to LT- 5 1
.
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
TerminalsCondition Continuity
1 – 2 Key is inserted.
Yes
Key is removed. No
PIIB6411E
Revision: January 20102010 Versa

REMOTE KEYLESS ENTRY SYSTEMBL-79
< SERVICE INFORMATION >
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Horn Function CheckINFOID:0000000005396590
First perform the “SELF-DIAG RESULTS” in “BCM” with CONSULT-III, then perform the trouble diagnosis of
malfunction system indicated “SELF-DI AG RESULTS” of “BCM”. Refer to BCS-18, "
CAN Communication
Inspection Using CONSULT-III (Self-Diagnosis)" .
1.CHECK HORN FUNCTION
Does horn sound with horn switch?
OK or NG
OK >> GO TO 2
NG >> Check horn circuit. Refer to WW-39
.
2.CHECK IPDM E/R INPUT SIGNAL
Check voltage between IPDM E/R connector and ground.
OK or NG
OK >> Replace IPDM E/R. Refer to PG-28, "Removal and
Installation of IPDM E/R".
NG >> GO TO 3
3.CHECK HORN RELAY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R and horn relay connector.
3. Check continuity between IPDM E/R harness connector and horn relay harness connector.
4. Check continuity between IPDM E/R harness connector and ground.
OK or NG
OK >> Check condition of harness and connector.
NG >> Repair or replace harness.
Interior Lamp and Ignition Key hole Illumination Function CheckINFOID:0000000005396591
1.CHECK INTERIOR LAMP AND IGNITIO N KEYHOLE ILLUMINATION FUNCTION
When map lamp switch is in “DOOR” position, open the front door (LH or RH).
Does interior lamp illuminate?
YES >> Replace BCM. Refer to BCS-19, "Removal and Installation of BCM" .
NO >> Check interior lamp circuit. Refer to LT- 9 4
.
Te r m i n a l s
Voltage (V)
(Approx.)
(+)
(–)
IPDM E/R connector Terminal
E46 45Ground Battery voltage
WIIA1251E
AB
Continuity
IPDM E/R
connector Te r m i n a lHorn relay
connector Te r m i n a l
E46 45H-1 1Yes
A GroundContinuity
IPDM E/R connector Terminal
E46 45 No
WIIA1252E
Revision: January 20102010 Versa

BL-80
< SERVICE INFORMATION >
REMOTE KEYLESS ENTRY SYSTEM
Remote Keyless Entry Receiver Check
INFOID:0000000005396592
1.CHECK REMOTE KEYLESS ENTRY RECEIVER OUTPUT SIGNAL
1. Turn ignition switch OFF.
2. Check remote keyless entry receiver connector and ground signal with oscilloscope.
OK or NG
OK >> Remote keyless entry receiver circuit is OK.
NG >> GO TO 2
2.CHECK REMOTE KEYLESS ENTRY RECEIVER INPUT VOLTAGE
1. Disconnect remote keyless entry receiver connector.
2. Check voltage between remote keyless entry receiver connector M23 terminal 4 and ground.
OK or NG
OK >> GO TO 4
NG >> GO TO 3
3.CHECK REMOTE KEYLE SS ENTRY RECEIVER POWER SUPPLY CIRCUIT
1. Disconnect BCM connector.
2. Check continuity between BCM connector (A) M18 terminal 19 and remote keyless entry receiver connec- tor (B) M23 terminal 4.
Te r m i n a l s
Keyfob
condition Signal
(Reference value)
(+)
(–)
Remote
keyless
entry re- ceiver
connector Te r m i n a l
M23 2 Ground No function
Any button
is pressed
PIIB6457E
OCC3879D
OCC3880D
Te r m i n a l s Voltage (V)(Approx.)
(+)
(–)
Remote keyless
entry receiver connector Te r m i n a l
M23 4Ground 4.5
PIIB6458E
Revision: January 20102010 Versa

REMOTE KEYLESS ENTRY SYSTEMBL-81
< SERVICE INFORMATION >
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3. Check continuity between BCM connector (A) M18 terminal 19 and ground.
OK or NG
OK >> Replace BCM. Refer to BCS-19, "Removal and Installation of BCM" .
NG >> Repair or replace the harness.
4.CHECK REMOTE KEYLESS ENTR Y RECEIVER GROUND CIRCUIT
Check continuity between remote keyless entry receiver connector M23 terminal 1 and ground.
OK or NG
OK >> GO TO 6
NG >> GO TO 5
5.CHECK REMOTE KEYLESS ENTR Y RECEIVER GROUND CIRCUIT
Check continuity between BCM connecto r (A) M18 terminal 18 and remote keyless entry receiver connector
(B) M23 terminal 1.
OK or NG
OK >> Replace BCM. Refer to BCS-19, "Removal and Installa-
tion of BCM" .
NG >> Repair or replace the harness.
6.CHECK REMOTE KEYLESS ENTR Y RECEIVER SIGNAL CIRCUIT
1. Check continuity between BCM connector (A) M18 term inal 20 and remote keyless entry receiver connec-
tor (B) M23 terminal 2.
AB
Continuity
BCM connector Terminal Remote keyless
entry receiver
connector Te r m i n a l
M18 19M23 4Yes
A GroundContinuity
BCM connector Terminal
M18 19 No
PIIB6459E
Remote keyless entry
receiver connector Te r m i n a l
GroundContinuity
M23 1 Yes
PIIB6460E
AB
Continuity
BCM connector Terminal Remote keyless
entry receiver connector Te r m i n a l
M18 18M23 1Yes
PIIB6461E
Revision: January 20102010 Versa