2008 NISSAN LATIO battery

BL-96
< SERVICE INFORMATION >
INTELLIGENT KEY SYSTEM
Intelligent Key Unit Harness Connector Terminal Layout
INFOID:0000000001704003
Terminal and Reference Value for Intelligent Key UnitINFOID:0000000001704004
WIIA1168E
Te r m i n a lWire
ColorItemCondition
Voltage (V)
Approx. Ignition
Switch
PositionOperation or Conditions
1RSteering lock solenoid
power supplyLOCK — 5
2 L CAN-H — — —
3 P CAN-L — — —
4OIntelligent Key warning
buzzerLOCKOperate door request
switch.Buzzer OFF Battery voltage
Sound buzzer 0
5GFront door request
switch LH—Press door request switch (driver side). 0
Other than above 5
6 Y Ignition switch (ON) ON — Battery voltage
7 LG Key switch LOCKInsert mechanical key into ignition switch. Battery voltage
Remove mechanical key from ignition
switch.0
10
*1WCVT device (park posi-
tion switch)ONShift lever in park position. 0
Other than above Battery voltage
11 SB Power source (Fuse) — — Battery voltage
12 B Ground — — 0
13 VInstrument panel an-
tenna (+) signal
LOCK• Any door open → all door close
• Press ignition knob switch: ON (Ignition
knob switch)
14 LGInstrument panel an-
tenna (-) signal
15 LFront console antenna
(+) signal
LOCK• Any door open → all door close
• Press ignition knob switch: ON (Ignition
knob switch)
16 PFront console antenna
(-) signal
PIIB5502J
PIIB5502J

INTELLIGENT KEY SYSTEM
BL-97
< SERVICE INFORMATION >
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17 WRear bumper antenna
(+) signal
LOCK Press back door request switch.
18 BRear bumper antenna
(-) signal
19 VFront outside antenna
LH (+) signal
LOCK Press door request switch LH.
20 PFront outside antenna
LH (-) signal
22
*2BR 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 VBack door opener
switch—Press and hold back door switch. 0
Other than above 5
25 LFront 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 YUnlock sensor
(driver side)—Door (driver side) is locked. 5
Door (driver side) is unlocked. 0
29 VBack 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 BRSteering lock solenoid
ground—— 0
32 GRSteering lock solenoid
communication signalLOCKWhen Intelligent Key is inside vehicle,
press ignition knob switch.
Other than above 5 TerminalWire
ColorItemCondition
Voltage (V)
Approx. Ignition
Switch
PositionOperation or Conditions
SIIA1910J
SIIA1910J
SIIA1911J

BL-98
< SERVICE INFORMATION >
INTELLIGENT KEY SYSTEM
*1: With continuously variable transmission (CVT).
*2: With manual transmission (M/T).
Steering Lock Solenoid Harness Connector Terminal LayoutINFOID:0000000001704005
Terminal and Reference Value for Steering Lock SolenoidINFOID:0000000001704006
33 RRear floor antenna (+)
signal
LOCK• Any door open → all door close
• Press ignition knob switch: ON (Ignition
knob switch)
34 GRear floor antenna (-)
signal
37 BRFront outside antenna
RH (+) signal
LOCK Press door request switch RH.
38 YFront outside antenna
RH (-) signal Te r m i n a lWire
ColorItemCondition
Voltage (V)
Approx. Ignition
Switch
PositionOperation or Conditions
PIIB5502J
SIIA1910J
WIIA1283E
Te r m i -
nalWire
ColorSignal DesignationCondition
Voltage (V)
Approx. Ignition
Switch Posi-
tionOperation or Conditions
1 P Battery power supply LOCK — Battery voltage
2RSteering lock solenoid
power supplyLOCK — 5
3GRSteering lock solenoid
communication signalLOCKWhen Intelligent Key is inside ve-
hicle, press ignition knob switch.
Other than the above 5
4BRSteering lock solenoid
ground—— 0
SIIA1911J

INTELLIGENT KEY SYSTEM
BL-99
< SERVICE INFORMATION >
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Terminal and Reference Value for BCMINFOID:0000000001704007
Refer to BCS-11, "Terminal and Reference Value for BCM".
Trouble Diagnosis ProcedureINFOID:0000000001704008
PRELIMINARY CHECK
1.GET SYMPTOMS
Listen to customer concerns. (Get symptoms)
NOTE:
If customer reports a “No start” condition, request all Intelligent Keys to be brought to the dealer in case of
Intelligent Key system malfunction.
Intelligent Key or mechanical key service request>>For further information, refer to CONSULT-III operation
manual.
Malfunctions>>GO TO 2.
2.CHECK BCM CONFIGURATION
Confirm BCM configuration for "I-KEY" is set to "WITH". Refer to BCS-17, "
Configuration".
OK or NG
OK >> GO TO 3.
NG >> Change BCM configuration for "I-KEY" to "WITH". Refer to BCS-17, "
Configuration".
3.START ENGINE WITH INTELLIGENT KEY
Check if the engine could be started by all registered Intelligent Keys.
The engine cannot be started by some Intelligent Keys>>Intelligent Key is low battery or malfunction. Refer
to BL-142, "
Intelligent Key Battery Replacement".
The engine cannot be started by all Intelligent Keys>>GO TO 4.
The engine can be started by all Intelligent Keys>>GO TO 5.
4.CHECK “KEY” WARNING LAMP ILLUMINATION
When pushing the ignition switch, check if “KEY” warning lamp in combination meter illuminates.
KEY warning lamp illuminates green>>GO TO BL-103, "
Trouble Diagnosis Symptom Chart".
KEY warning lamp illuminates red>>GO TO BL-103, "
Trouble Diagnosis Symptom Chart".
Does not illuminate>>GO TO BL-103, "
Trouble Diagnosis Symptom Chart".
5.START ENGINE WITH MECHANICAL KEY
Check if the engine could be started by all registered mechanical keys.
No start by some mechanical keys>>Register mechanical key. Refer to CONSULT-III operation manual.
Engine starts by mechanical or Intelligent Key>>GO TO BL-103, "
Trouble Diagnosis Symptom Chart".
No start by mechanical key or Intelligent Key>>GO TO NATS BL-215, "
Trouble Diagnosis Procedure".
Engine starts with Intelligent Key or mechanical key>>GO TO "WORK FLOW".
The engine can be started by all mechanical keys>>GO TO 6.
6.PERFORM SELF-DIAGNOSIS
1. Turn ignition switch to ON by carrying the Intelligent Key.
2. Perform self-diagnosis of Intelligent Key system with CONSULT-III.
DTC is displayed>>GO TO BL-101, "
CONSULT-III Application Item".
DTC is not displayed>>GO TO BL-103, "
Trouble Diagnosis Symptom Chart".
WORK FLOW
Before performing the work flow, carry out preliminary check. Refer to "PRELIMINARY CHECK".

BL-102
< SERVICE INFORMATION >
INTELLIGENT KEY SYSTEM
* : Sedan
WORK SUPPORT
Te s t i t e m D e s c r i p t i o n
DOOR LOCK/UNLOCKThis test is able to check door lock/unlock operation.
• The all door lock actuators are unlocked when “ALL UNLK” on CONSULT-III screen is touched.
• The all door lock actuators are locked when “LOCK” on CONSULT-III screen is touched.
ANTENNAThis test is able to check Intelligent Key antenna operation.
When the following conditions are met, hazard warning lamps flash.
• Inside key antenna (front console) detects Intelligent Key, when “ROOM ANT1” on CONSULT-
III screen is touched.
• Inside key antenna (instrument panel and rear floor) detects Intelligent Key, when “ROOM
ANT2” on CONSULT-III screen is touched.
• Outside key antenna (driver side) detects Intelligent Key, when “DRIVER ANT” on CONSULT-III
screen is touched.
• Outside key antenna (passenger side) detects Intelligent Key, when “ASSIST ANT” on CON-
SULT-III screen is touched.
• Outside key antenna (rear bumper) detects Intelligent Key, when “BK DOOR ANT” on CON-
SULT-III screen is touched.
OUTSIDE BUZZER(S)
(DRIVER DOOR), (TRUNK)
*This test is able to check Intelligent Key warning buzzer operation.
Intelligent Key warning buzzer sounds when “ON” on CONSULT-III screen is touched.
INSIDE BUZZER
(CHIME)This test is able to check Intelligent Key warning chime (Instrument panel) operation.
• Take away warning chime sounds when “TAKE OUT” on CONSULT-III screen is touched.
• Ignition switch warning chime sounds when “KNOB” on CONSULT-III screen is touched.
• Ignition key warning chime sounds when “KEY” on CONSULT-III screen is touched.
INDICATORThis test is able to check warning lamp operation.
• “KEY” Warning lamp (Green) illuminates when “BLUE ON” on CONSULT-III screen is touched.
• “KEY” Warning lamp (Red) illuminates when “RED ON” on CONSULT-III screen is touched.
• “LOCK” Warning lamp illuminates when “KNOB ON” on CONSULT-III screen is touched.
• “KEY” Warning lamp (Green) flashes when “BLUE IND” on CONSULT-III screen is touched.
• “KEY” Warning lamp (RED) flashes when “BLUE IND” on CONSULT-III screen is touched.
• “P-SHIFT” Warning lamp flashes when “KNOB ON” on CONSULT-III screen is touched.
Monitor item Description
CONFIRM KEY FOB ID It can be checked whether Intelligent Key ID code is registered or not in this mode.
TAKE OUT FROM WINDOW
WARNTake away warning chime (from window) mode can be changed to operate (ON) or not operate
(OFF) with this mode. The operation mode will be changed when “CHANGE SETT” on CONSULT-
III screen is touched.
LOW BAT OF KEY FOB WARNIntelligent Key low battery warning mode can be changed to operate (ON) or not operate (OFF)
with this mode. The operation mode will be changed when “CHANGE SETT” on CONSULT-III
screen is touched.
ANSWER BACK FUNCTIONBuzzer reminder function mode by Intelligent button can be changed to operate (ON) or not oper-
ate (OFF) with this mode. The operation mode will be changed when “CHANGE SETT” on CON-
SULT-III screen is touched.
SELECTIVE UNLOCK FUNC-
TIONSelective unlock function mode can be changed to operate (ON) or not operate (OFF) with this
mode. The operation mode will be changed when “CHANGE SETT” on CONSULT-III screen is
touched.
ANTI KEY LOCK IN FUNCTIONKey reminder function mode can be changed to operate (ON) or not operate (OFF) with this mode.
The operation mode will be changed when “CHANGE SETT” on CONSULT-III screen is touched.
HORN WITH KEYLESS LOCKHorn reminder function mode by Intelligent Key remote control button can be changed to operate
(ON) or not operate (OFF) with this mode. The operation mode will be changed when “CHANGE
SETT” on CONSULT-III screen is touched.
HAZARD ANSWER BACKHazard reminder function mode can be selected from the following with this mode. The operation
mode will be changed when “CHANGE SETT” on CONSULT-III screen is touched.
• LOCK ONLY: Door lock operation only
• UNLOCK ONLY: Door unlock operation only
• LOCK/UNLOCK: Lock/Unlock operation
• OFF: Non-operation

INTELLIGENT KEY SYSTEM
BL-105
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• If the following “symptoms” are detected, check systems shown in the ”Diagnoses/service procedure” col-
umn in this order.
ALL FUNCTIONS OF INTELLIGENT KEY SYSTEM DO NOT OPERATE
NOTE:
• Before performing the diagnosis in the following table, check “Trouble Diagnosis Procedure”. Refer to BL-99,
"Trouble Diagnosis Procedure".
• Make sure that vehicle is under the condition shown in “Conditions of vehicle” before starting diagnosis, and
check each symptom.
• If the following “symptoms” are detected, check systems shown in the “Diagnosis/service procedure” column
in this order.
Conditions of Vehicle (Operating Conditions)
• “ENGINE START BY I-KEY” and “LOCK/UNLOCK BY I-KEY” are ON when setting on CONSULT-III.
• Mechanical key is out of ignition switch.
• Ignition switch is not depressed.
• All doors are closed.
• Intelligent key is registered.
DOOR LOCK/UNLOCK FUNCTION MALFUNCTION
NOTE:
• Before performing the diagnosis in the following table, check “Trouble Diagnosis Procedure”. Refer to BL-99,
"Trouble Diagnosis Procedure".
• Make sure that vehicle is under the condition shown in “Conditions of vehicle” before starting diagnosis, and
check each symptom.
• If the following “symptoms” are detected, check systems shown in the “Diagnosis/procedure” column in this
order.
Conditions of Vehicle (Operating Conditions)
• “LOCK/UNLOCK BY I-KEY” is ON when setting on CONSULT-III.
• Mechanical key is out of ignition switch.
• Ignition switch is not depressed.
• All doors are closed.
• Intelligent Key is registered.
Symptom Diagnosis/service procedure Reference page
Engine start condition check1. Check CVT device (park position switch).
(With CVT)BL-136
2. Check key interlock solenoid (with M/T).BL-133
3. Check stop lamp switch (With CVT).BL-134
4. Check stop lamp switch (with M/T).BL-135
Symptom Diagnosis/service procedure Reference page
All function of Intelligent Key system dose not
operate.1. Check Intelligent Key unit power supply and ground
circuit.BL-110
2. Check Intelligent Key battery inspection.BL-142
3. Replace Intelligent Key unit.BL-142
Symptom Diagnosis/service procedure Reference page
Door lock/unlock does not operate by all request
switches.1. Check door switch (hatchback).BL-114
2. Check door switch (sedan).BL-117
3. Check key switch.BL-110
4. Check ignition knob switch.BL-113
5. Replace Intelligent Key unit.BL-142

BL-106
< SERVICE INFORMATION >
INTELLIGENT KEY SYSTEM
REMOTE KEYLESS ENTRY FUNCTION MALFUNCTION
NOTE:
• Before performing the diagnosis in the following table, check “Trouble Diagnosis Procedure”. Refer to BL-99,
"Trouble Diagnosis Procedure".
• Make sure that vehicle is under the condition shown in “Conditions of vehicle” before starting diagnosis, and
check each symptom.
• If the following “symptoms” are detected, check systems shown in the “Diagnosis/service procedure” column
in this order.
Conditions of Vehicle (Operating Conditions)
• Ignition switch is not depressed.
• All doors are closed.
Door lock/unlock does not operate by request
switch (driver side).1. Check door request switch (driver side).BL-1182. Check outside key antenna (driver side).BL-126
3. Replace Intelligent Key unit.BL-142
Door lock/unlock does not operate by request
switch (passenger side).1. Check door request switch (passenger side).BL-1182. Check outside key antenna (passenger side).BL-126
3. Replace Intelligent Key unit.BL-142
Door lock/unlock does not operate by back door
request switch (hatchback).1. Check back door request switch.BL-1202. Check outside key antenna (rear bumper).BL-128
3. Replace Intelligent Key unit.BL-142
Door lock/unlock does not operate by trunk
opener request switch (sedan).1. Check trunk opener request switch.BL-1222. Check outside key antenna (rear bumper).BL-128
3. Replace Intelligent Key unit.BL-142
Auto lock function does not operate.1. Check “AUTO RELOCK TIMER” setting in “WORK
SUPPORT”.BL-101
2. Replace Intelligent Key unit.BL-142
Key reminder function does not operate.1. Check door switch (hatchback).BL-114
2. Check door switch (sedan).BL-117
3. Check inside key antenna.BL-129
4. Check unlock sensor.BL-124
5. Check Intelligent Key battery.BL-142
6. Replace Intelligent Key unit.BL-142
Symptom Diagnosis/service procedure Reference page
Symptom Diagnosis/service procedureReference
page
All of the remote keyless entry functions do
not operate.1. Check Intelligent Key unit power supply and ground circuit.BL-110
2. Check key switch (BCM input).BL-112
3. Check Intelligent Key battery.BL-142
4. Remote Keyless Entry function inspection.BL-142
5. Replace Intelligent Key unit.BL-142
Auto lock function does not operate.1. Check “AUTO RELOCK TIMER” setting in “WORK SUPPORT”.BL-1012. Replace Intelligent Key unit.BL-142

INTELLIGENT KEY SYSTEM
BL-107
< SERVICE INFORMATION >
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HAZARD AND BUZZER REMINDER FUNCTION MALFUNCTION
NOTE:
• Before performing the diagnosis in the following table, check “Trouble Diagnosis Procedure”. Refer to BL-99,
"Trouble Diagnosis Procedure".
• Make sure that vehicle is under the condition shown in “Conditions of vehicle” before starting diagnosis, and
check each symptom.
• If the following “symptoms” are detected, check systems shown in the “Diagnosis/service procedure” column
in this order.
Conditions of Vehicle (Operating Conditions)
• Ignition switch is not depressed.
• All doors are closed.
WARNING CHIME/BUZZER FUNCTION MALFUNCTION
NOTE:
• Before performing the diagnosis in the following table, check “Trouble Diagnosis Procedure”. Refer to BL-99,
"Trouble Diagnosis Procedure".
Key reminder function does not operate.1. Check door switch (hatchback).BL-114
2. Check door switch (sedan).BL-117
3. Check inside key antenna.BL-129
4. Check unlock sensor.BL-124
5. Check Intelligent Key battery.BL-142
6. Replace Intelligent Key unit.BL-142
Panic alarm function does not operate.1. Check “PANIC ALARM DELAY” setting in “WORK SUPPORT”.BL-101
2. Check Intelligent Key battery inspection.BL-142
3. Check horn function.BL-140
4. Check headlamp function.BL-141
5. Check key switch.BL-110
6. Check ignition knob switch.BL-113
7. Replace Intelligent Key unit.BL-142
Symptom Diagnosis/service procedureReference
page
Symptom Diagnosis/service procedure Reference page
Hazard reminder does not operate by request
switch.
(Buzzer reminder operate).1. Check “HAZARD ANSWER BACK” setting in “WORK
SUPPORT”.BL-101
2. Check hazard function with hazard switch.BL-140
3. Replace Intelligent Key unit.BL-142
Buzzer reminder does
not operate by request
switch.
(Hazard reminder oper-
ates).Intelligent Key
warning buzzer
does not operate.1. Check “ANSER BACK WITH I-KEY LOCK” or “ANSER
BACK WITH I-KEY UNLOCK” setting in “WORK SUP-
PORT”.BL-101
2. Check Intelligent Key warning buzzer(s).BL-125
3. Replace Intelligent Key unit.BL-142
Hazard reminder does not operate by Intelli-
gent Key (door lock/unlock button).
(Buzzer reminder operates properly).1. Check “HAZARD ANSWER BACK” setting in “WORK
SUPPORT”.BL-101
2. Check hazard function with hazard switch.BL-140
3. Replace Intelligent Key.BL-142
Buzzer reminder does
not operate by Intelligent
Key (door lock/unlock
button).
(Hazard reminder oper-
ates).Intelligent Key
warning buzzer
does not operate.1. Check “HORN WITH KEYLESS LOCK” setting in “WORK
SUPPORT”.BL-101
2. Check Intelligent Key warning buzzer(s).BL-125
3. Replace Intelligent Key unit.BL-142