2009 NISSAN LATIO key battery

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• When registering an additional keyfob, the existing ID codes
in memory may or may not be erased. If five ID
codes are stored in memory, when an additional code is registered, only the oldest code is erased. If less
than five ID codes are stored in memory, when an additional ID code is registered, the new ID code is added
and no ID codes are erased.
• If you need to activate more than two additional new keyfobs, repeat the procedure “Additional ID code
entry” for each new keyfob.
• Entry of maximum five ID codes is allowed. When mo re than five ID codes are entered, the oldest ID code
will be erased.
• Even if same ID code that is already in the memory is input, the same ID code can be entered. The code is
counted as an additional code.
Keyfob Battery Replacement INFOID:0000000004305029
Removal and Installation of Re mote Keyless Entry Receiver INFOID:0000000004305030
REMOVAL 1. Remove glove box assembly. Refer to IP-12, " Removal and Installation " .
2. Disconnect remote keyless entry receiver connector, remove screw and remote keyless entry receiver.
INSTALLATION Installation is in the reverse order of removal. PIIB6541E

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Even if Intelligent Key battery runs down, Intelligent
key unit can start engine with mechanical key built Intelli-
gent Key. For details, refer to BL-248 .
All of the originally supplied Intelligent Key IDs (exc ept for key) have been registered in Intelligent Key system.
If requested by the vehicle owner, a maximum of four Intelligent Key IDs can be registered into the Intelligent
Key system components.
List of Operation Related Parts Parts marked with × are the parts related to operation.
WARNING CHIME/BUZZER/LAMPS FUNCTION
Operation Description The following warning chime (combination meter), Intelligent Key warning buzzer (front door LH), Intelligent
Key warning buzzer (trunk) *
, warning lamps "KEY" and “P-SHIFT” (with CVT or A/T) or "LOCK" (with M/T) are
given to the user as warning informati on while using the intelligent key system.
• Ignition switch warning chime
• Ignition key warning chime
• OFF position warning chime
• Take away warning chime
• Door lock operation warning chime
• Intelligent key low battery warning
• P position warning (with CVT or A/T)
• LOCK position warning (with M/T) NOTE:
For key-in-ignition warning chime related concerns only, refer to DI-42 .
* : Sedan
Operation Condition Engine start functionsIntelligent Key
Key switch
Ignition knob switch
Inside key antenna
Intelligent Key unit
CAN communication system
BCM
Combination meter
IPDM E/R
NATS antenna amp.
Steering lock solenoid
Engine start function by the Intelligent Key × × × × × × × × × ×
Engine start function by the mechanical key × × × × × × ×

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CHANGE SETTINGS FUNCTION
The settings for each function c an be changed with the CONSULT-III.
Changing Settings Using CONSULT-III The settings for the Intelligent Key system func tions can be changed using CONSULT-III (WORK SUPPORT).
Refer to BL-117, " CONSULT-III Application Item " .
NOTE:
Once a function setting is changed, it will remain effective even if the battery is disconnected.
INTELLIGENT KEY REGISTRATION Intelligent Key-ID registration is performed using the CONSULT-III.
CAUTION:
• After a new Intelligent Key-ID is regi stered, be sure to check the function.
• When registering an additional Intelligent Key-ID , take any Intelligent Keys already registered and
Intelligent Keys for any other vehicles out of the vehicle before starting.
CONSULT-III can be used to check and delete Intelligent Key-IDs.
For further information, see the CONS ULT-III Operation Manual NATS.
STEERING LOCK SOLENOID REGISTRATION
Steering Lock Solenoid ID Registration CAUTION:
• The method for registering a st eering lock solenoid ID depends on the status of the steering lock
solenoid and Intelligent Key unit (new or old unit).
• After registration is completed, press ignition switch with an Intelligent Key in the vehicle so that it
can be turned, and confirm that it cannot be turn ed even when ignition switch is pressed without an
Intelligent Key in the vehicle.
For further information, see the CONSULT- III Operation Manual NATS-IVIS/NVIS.
CAN Communication System Description INFOID:0000000004305033
Refer to LAN-8 .
Warning and alarm functionsIntelligent Key
Key switch
Ignition knob switch
Ignition switch ACC position input signal
Ignition switch ON position input signal
Door switch
Door request switch
Inside key antenna
Outside key antenna (Driver, Passenger)
Outside key antenna (rear bumper)
Intelligent Key warning buzzer(s)
Intelligent Key unit
CAN communication system
BCM
Warning lamp
Warning chime (combination meter)
Ignition switch warning chime × × × × × × ×
Ignition key warning chime
(When mechanical key used) × × × × × ×
OFF position warning chime For internal
× × × × × × × × ×
For external × × × × × × × × ×
Take away warning chime Right after door is
closed × × × × × × × × × ×
Any door is open × × × × × × × × ×
Take away from
window × × × × × × × × × × ×
Door lock operation warning chime × × × × × × × × ×
Intelligent Key low battery warning × × × × × ×

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17 W
Rear bumper antenna
(+) signal
LOCK Press back door request switch.
18 B Rear bumper antenna
(-) signal
19 V Front outside antenna
LH (+) signal
LOCK Press door request switch LH.
20 P Front outside antenna
LH (-) signal
22 *2
BR Key interlock solenoid — With Intelligent Key present or mechanical
key in ignition cylinder, press "PUSH" but-
ton on ignition cylinder. Battery voltage
Other than above 0
23 LG Back door open output — Back door open (switch closed) 0
Back door closed (switch open) 5
24 V Back door opener
switch —Press and hold back door switch. 0
Other than above 5
25 L Front door request
switch RH —Press front door request switch RH. 0
Other than above 5
26 SB Stop lamp switch — Depress brake pedal Battery voltage
Other than above 0
27 W Ignition knob switch — Press ignition switch. Battery voltage
Release ignition switch. 0
28 Y Unlock sensor
(driver side) —Door (driver si
de) is locked. 5
Door (driver side ) is unlocked. 0
29 V Back door request
switch (hatchback) —Press back door request switch. 0
Other than above 5
Trunk opener request
switch (sedan) —Press trunk opener request switch. 0
Other than above 5
31 BR Steering lock solenoid
ground — — 0
32 GR Steering lock solenoid
communication signal LOCKWhen Intelligent Key is inside vehicle,
press ignition knob switch.
Other than above 5
Terminal
Wire
Color Item Condition
Voltage (V)Approx.
Ignition
Switch
Position Operation or Conditions SIIA1911J

BL-110< SERVICE INFORMATION >
INTELLIGENT KEY SYSTEM
*1: With continuously variable transmissi on (CVT) or automatic transmission (A/T).
*2: With manual transmission (M/T).
Steering Lock Solenoid Harn ess Connector Terminal Layout INFOID:0000000004305038
Terminal and Reference Valu e for Steering Lock Solenoid INFOID:0000000004305039
33 R
Rear floor antenna (+)
signal
LOCK• Any door open
→ all door close
• Press ignition knob switch: ON (Ignition knob switch)
34 G Rear floor antenna (-)
signal
37 BR Front outside antenna
RH (+) signal
LOCK Press door request switch RH.
38 Y Front outside antenna
RH (-) signal
Terminal
Wire
Color Item Condition
Voltage (V)Approx.
Ignition
Switch
Position Operation or Conditions PIIB5502J
SIIA1910J
WIIA1283E
Termi-
nal Wire
Color Signal Designation Condition
Voltage (V)Approx.
Ignition
Switch Posi- tion Operation or Conditions
1 P Battery power supply LOCK — Battery voltage
2 R Steering lock solenoid
power supply LOCK — 5
3 GR Steering lock solenoid
communication signal LOCKWhen Intelligent Key is inside ve-
hicle, press ignition knob switch.
Other than the above 5
4 BR Steering lock solenoid
ground — — 0 SIIA1911J

INTELLIGENT KEY SYSTEM
BL-111
< SERVICE INFORMATION >
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Terminal and Reference Value for BCM
INFOID:0000000004678889
Terminal Wire
color Signal name Signal
input/
output Measuring condition
Reference value or waveform
(Approx.)
Ignition
switch Operation or condition
2 BR Combination switch
input 5 Input ONLighting, turn, wiper OFF
Wiper dial position 4
3 GR Combination switch
input 4 Input ONLighting, turn, wiper OFF
Wiper dial position 4
4 L Combination switch
input 3 Input ONLighting, turn, wiper OFF
Wiper dial position 4
5 G Combination switch
input 2
Input ONLighting, turn, wiper OFF
Wiper dial position 4
6 V Combination switch
input 1
7 7
BRFront door key cylin-
der switch LH (unlock) Input
OFFON (open, 2nd turn) Momentary 1.5V
OFF (closed) 0V
8 7
YFront door key cylin-
der switch LH (lock) InputOn (open) Momentary 1.5V
OFF (closed) 0V
9 W Rear window defogger
switch Input ONRear window defogger switch
ON 0V
Rear window defogger switch
OFF 5V
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
15 W Tire pressure warning
check connector Input OFF — 5V SKIA5291E
SKIA5292E
SKIA5291E
SKIA5292E

BL-112< SERVICE INFORMATION >
INTELLIGENT KEY SYSTEM
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 OFFGoes 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 OFF ON 0V
OFF 5V
Terminal
Wire
color Signal name Signal
input/
output Measuring condition
Reference value or waveform
(Approx.)
Ignition
switch Operation or condition LIIA1893E
LIIA1894E
LIIA1895E
ZJIA0719J

INTELLIGENT KEY SYSTEM
BL-113
< SERVICE INFORMATION >
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30
1
VBack door/trunk out-
put Output —Back door open (switch
closed) 0V
Back door closed (switch
open) 5V
30 3
VBack door opener
switch Input —All doors locked (SW OFF) Battery voltage
All doors unlocked (SW ON) 0V
30 4
VTrunk 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 1
GKey switch and igni-
tion knob switch Input OFFIntelligent Key inserted Battery voltage
Intelligent Key removed 0V
37 2
GKey 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 6
WTrunk key cylinder
switch Input —ON (Full unlock position) 0V
OFF (Neutral position) 5V
42 6
Y Trunk lamp switch Input OFF ON (trunk open) 0V
OFF (trunk closed) Battery voltage
Terminal
Wire
color Signal name Signal
input/
output Measuring condition
Reference value or waveform
(Approx.)
Ignition
switch Operation or condition SKIA5291E
SKIA5292E
SKIA5291E
SKIA5292E