2008 NISSAN LATIO key

INTELLIGENT KEY SYSTEM
BL-141
< SERVICE INFORMATION >
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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-26, "Removal and
Installation of IPDM E/R".
NG >> GO TO 3.
3.CHECK HORN RERAY 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.
Headlamp Function CheckINFOID:0000000001704041
1.CHECK HEADLAMP OPERATION
Check if headlamps operate by lighting switch.
Do headlamps come on when turning lighting switch ON?
YES >> Headlamp circuit is OK.
NO >> Check headlamp system. Refer to LT- 4
or LT- 2 5.
Te r m i n a l s
Voltage (V)
(Approx.) (+)
(–)
IPDM E/R
connectorTe r m i n a l
E46 45 Ground Battery voltage
WIIA1251E
AB
Continuity
IPDM E/R
connectorTe r m i n a lHorn relay
connectorTe r m i n a l
E46 45 H-1 1 Yes
A
GroundContinuity
IPDM E/R connector Terminal
E46 45 No
WIIA1252E

BL-142
< SERVICE INFORMATION >
INTELLIGENT KEY SYSTEM
Intelligent Key Battery Replacement
INFOID:0000000001704042
INTELLIGENT KEY BATTERY INSPECTION
Check by connecting a resistance (approximately 300Ω) so that the
current value becomes about 10 mA.
Remote Keyless Entry FunctionINFOID:0000000001704043
Check keyfob function using Remote Keyless Entry Tester J-43241.
Removal and Installation of Intelligent Key UnitINFOID:0000000001704044
REMOVAL
1. Remove glove box assembly. Refer to IP-11, "Removal and Installation".
PIIB5065E
Standard : Approx. 2.5 - 3.0V
OCC0607D
LEL946A

INTELLIGENT KEY SYSTEM
BL-143
< SERVICE INFORMATION >
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2. Disconnect Intelligent Key unit connector, remove screw and
Intelligent Key unit.
INSTALLATION
Installation is in the reverse order of removal.
PIIB6534E

BL-150
< SERVICE INFORMATION >
FRONT DOOR LOCK
FRONT DOOR LOCK
Component Parts LocationINFOID:0000000001704047
Removal and InstallationINFOID:0000000001704048
REMOVAL
1. Remove front door finisher. Refer to EI-32, "Removal and Installation" .
2. Fully close front door window.
3. Remove the front door sealing screen.
NOTE:
If sealing screen is reused, cut butyl tape in a way that leaves it on the sealing screen.
4. Remove front door rear glass run channel. Refer to GW-42, "
Removal and Installation" .
5. Remove the cables from the holder.
6. Remove inside handle bolt, and slide the handle toward the rear
of the vehicle. disengage the handle from the door panel, and
remove the inside handle.
7. Disengage the handle from the door panel, and remove the inside handle.
1. Front door 2. Inside handle 3. Inside handle cable
4. Door lock assembly 5. Outside handle cable 6. TORX bolt (T30)
7. Key cylinder connecting rod 8. Grommet 9. TORX bolt (T30)
10. Rear gasket 11. Door key cylinder assembly
(Driver's side)
Outside handle escutcheon
(passenger's side)12. Outside handle
13. Front gasket 14. Lock knob cable 15. Holder
16. Outside handle bracket
PIIB6523E
PIIB6524E

FRONT DOOR LOCK
BL-151
< SERVICE INFORMATION >
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8. Disconnect the inside handle cable and lock knob cable from the
inside handle.
CAUTION:
During removal and installation, work so as not to bend the
ends of the lock knob cable and inside handle cable.
9. Remove the door side grommet, and the door key cylinder
assembly (escutcheon) bolt.
10. Remove the key cylinder connecting rod (key cylinder side).
11. If equipped, disconnect the door antenna, the door request
switch connector and remove the harness clamp. (Vehicle with
intelligent key systems only).
12. Remove the door cylinder assembly while pulling the outside
handle forward.
13. Pull the outside door handle forward and then slide it toward the
rear of the vehicle to remove.
14. Remove the front and rear gaskets.
PIIB6525E
PIIB5808E
PIIB5809E
PIIB5810E
PIIB6526E

BL-156
< SERVICE INFORMATION >
BACK DOOR LOCK
BACK DOOR LOCK
Component Parts and Harness Connector LocationINFOID:0000000001704051
System DescriptionINFOID:0000000001704052
Power is supplied at all times
• through 40A fusible link (letter g, located in fuse and fusible link box)
• to BCM terminal 70
• through 10A fuse [No. 8, located in fuse block (J/B)]
• to BCM terminal 57
• through 10A fuse [No. 31, located in fuse block (J/B)]
• to Intelligent Key unit terminal 11 (if equipped).
Ground is supplied
• to BCM terminal 67 and
• to Intelligent Key unit terminal 12 (if equipped)
• through body grounds M57 and M61.
When back door opener switch is ON (pushed), ground is supplied
• to BCM terminal 30 (without Intelligent Key)
• through back door opener switch terminals 1 and 2
• through front door lock actuator LH (door unlock sensor) terminals 4 and 5 (without power windows) or
• through front door lock actuator RH (door unlock sensor) terminals 4 and 5 (with power windows)
• through body grounds M57 and M61
• to Intelligent Key unit terminal 24 (if equipped)
• through back door opener switch terminals 1 and 2
• through body grounds B117, B132 and D402.
Then power is supplied
• through BCM terminal 53
• to back door lock assembly (actuator) terminal 1.
Ground is supplied
LIIA2638E
1. BCM M18, M19, M20
(view with glove box removed)2. Intelligent Key unit M52
(with Intelligent Key)3. Back door lock assembly (actuator)
D405
4. Back door opener switch D408 5. Front door lock actuator (door unlock
sensor) LH D3, RH D114

BACK DOOR LOCK
BL-157
< SERVICE INFORMATION >
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• to back door lock assembly (actuator) terminal 2
• through body grounds B117, B132 and D402.
Then BCM operates back door lock assembly (actuator).
Wiring Diagram - B/DOOR -INFOID:0000000001704053
WITHOUT INTELLIGENT KEY SYSTEM
WIWA2289E

BL-158
< SERVICE INFORMATION >
BACK DOOR LOCK
WITH INTELLIGENT KEY SYSTEM
Terminal and Reference Value for BCMINFOID:0000000001704054
Refer to BCS-11, "Terminal and Reference Value for BCM".
Terminal and Reference Value for Intelligent Key UnitINFOID:0000000001704055
Refer to BL-96, "Terminal and Reference Value for Intelligent Key Unit".
WIWA2290E