2008 INFINITI FX35 key battery

INTELLIGENT KEY SYSTEMBL-101
< SERVICE INFORMATION >
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Terminal and Reference Va lue for Steering Lock unitINFOID:0000000001327843
Terminal and Reference Value for BCMINFOID:0000000001327844
39 R/Y Park position switch Input LOCK A/T selector lever in “P” position. 0
A/T selector lever in other posi-
tion.
Battery voltage
40 BR/
W Door lock relay Output LOCK Door request switch (passenger
side) pressedBattery voltage
→ 0 → Battery
voltage
Te r -
minal Wire
color Item Signal
Input/
output Condition
Voltage (V)(Approx.)
Ignition
knob po-
sition Operation or conditions
Te r -
minal Wire
color Item Signal
Input/
output Condition
Voltage (V)
(Approx.)
Ignition knob
position Operation or conditions
1 L/R Power source (Fuse) Input LOCK — Battery voltage
2R/W Steering lock unit pow-
er supply Input LOCK — 5
3R/B Steering lock unit com-
munication signal
Input LOCKPress ignition knob with In-
telligent Key inside vehicle.
Other than the above 5
4Y/B Steering lock unit
ground —— — 0
SIIA1911J
Te r m i -
nal Wire
color ItemSignal
Input/
output Condition
Voltage (V)
(Approx.)
1PU Key ring illumination
output signal OutputKey ring illumination is lighting. Battery voltage
Key ring illumination is being turned off. 0
12 P/B Front door switch (Pas-
senger side)
Input Door open (ON)
→ Close (OFF) 0 → Battery voltage
13 P/L Rear door switch RH Input Door open (ON) → Close (OFF) 0 → Battery voltage
37 B/W Key switch Input Insert mechanical key from ignition key
cylinder.
Battery voltage
Remove mechanical key from ignition
key cylinder. 0
38 W/L Ignition switch (ON) Input Ignition switch is in ON or START posi-
tion
Battery voltage
39 L CAN-H Input/
Output ——
40 P CAN-L Input/
Output ——
41 R/B Battery saver output
signal Output30 minutes after ignition switch is turned
to OFF
0
Ignition switch is in ON position Battery voltage
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

BL-102
< SERVICE INFORMATION >
INTELLIGENT KEY SYSTEM
*1: In the state that hazard reminder operates.
*2: In the state that room lamp switch is in “DOOR” position.
Terminal and Reference Value for IPDM E/RINFOID:0000000001327845
42 L/R Power source (Fuse) Input — Battery voltage
44 YDriver door lock actua-
tor (Unlock) Output
Door lock / unlock switch
(Free
→ Unlock) 0
→ Battery voltage
45 G/W Left turn signal lamp Output When door lock or unlock is operated us-
ing Intelligent Key.*
1
(ON
→ OFF) Battery voltage
→ 0
46 BR/W Right turn signal lamp Output When door lock or unlock is operated us-
ing Intelligent Key.*
1
(ON
→ OFF) Battery voltage
→ 0
47 Y/R Step lamp output signal Output Step lamp is lighting. 0
Step lamp is being turned off. Battery voltage
48 PU/W Room lamp output sig-
nal OutputRoom lamp is lighting.*
20
Room lamp is being turned off.*
2Battery voltage
49 B Ground — — 0
50 PU Door lock actuator
(Lock) Output
Door lock / unlock switch
(Free
→ Lock) 0
→ Battery voltage
51 W/B Passenger and rear
doors lock actuator
(Unlock) Output
Door lock / unlock switch
(Free
→ Unlock) 0
→ Battery voltage
52 B Ground — — 0
54 W Power source (power
window)
Input — Battery voltage
55 G Power source (Fusible
link) Input — Battery voltage
58 L Back door switch Input Back door open (ON) → Close (OFF) 0 → 9
62 W Front door switch (Driv-
er side) Input Door open (ON)
→ Close (OFF) 0 → Battery voltage
63 P Rear door switch LH Input Door open (ON) → Close (OFF) 0 → Battery voltage
Te r m i -
nal Wire
color ItemSignal
Input/
output Condition
Voltage (V)
(Approx.)
Te r m i - nal Wire
color ItemSignal
Input/
output Condition
Voltage (V)
(Approx.)
38 B Ground — — 0
48 L CAN – H Input/
Output ——
49 R CAN – L Input/
Output ——
51 SB Horn relay Output When panic alarm is operated using In-
telligent Key (OFF
→ ON) Battery voltage
→ 0
60 B Ground — — 0
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

BL-104
< SERVICE INFORMATION >
INTELLIGENT KEY SYSTEM
CONSULT-III Application Item
INFOID:0000000001327849
WORK SUPPORT
SELF-DIAGNOSTIC RESULTS
DATA MONITOR
MAIN SIGNALS Display Item
Part to be diagnosed Inspection Item, Diagnosis Mode Description
Intelligent Key WORK SUPPORT
 Performs Intelligent Key-ID registration, check, and deletion.
 Performs steering lock unit ID registration.
 Changes settings for each function (ON/OFF).
SELF-DIAG RESULTS Intelligent Key unit performs CAN communication diagnosis.
DATA MONITOR Displays Intelligent Key unit input data in real time.
CAN DIAG SUPPORT MNTR The results of transmit/receive diagnosis of CAN communication can
be read.
ACTIVE TEST Sends drive signals door lock actuator, buzzer or combination meter to
perform operation check.
ECU PART NUMBER Displays Intelligent Key unit part No.
Monitor item Description
CONFIRM KEY FOB ID The Intelligent Key ID can be confirmed.
TAKE OUT FROM WINDOW WARN The condition of Intelligent Key warning function can be changed.
LOW BATT OF KEY FOB WARN The condition of low battery warning function can be changed.
I-KEY FUNCTION The condition of Intellig ent Key's function can be changed.
ANSWER BACK FUNCTION The co ndition of answer back function can be changed.
HORN WITH KEYLESS LOCK The condition of key reminder function can be set.
SELECTIVE UNLOCK FUNCTION The co ndition of selective unlock function can be changed.
HAZARD ANSWER BACK The condition of key reminder function can be set.
ANSWER BACK WITH I-KEY LOCK The condition of ke y reminder function (LOCK) can be changed.
ANSWER BACK WITH I-KEY UNLOCK The condition of ke y reminder function (UNLOCK) can be changed.
AUTO RELOCK TIMER This mode is able confirm and changed auto door lock function operation time set-
ting.
PANIC ALARM DELAY This mode is able to confirm and change panic alarm function operation delay time
setting.
P/W DOWN DELAY This mode is able to confirm and change remote window open function.
ENGINE START BY I-KEY This mode is able to confirm and change start function ON - OFF setting.
LOCK/UNLOCK BY I-KEY The condition of lock/unlock function can be set.
LUG ROOM ENGINE START This mode is able to confirm and change operation range.
Self-diag results Description Diagnosis procedure Reference page
CAN COMM
[U1000] Malfunction is detected in CAN communication. Check CAN communication system.
BCS-13
STRG COMM1
[B2013]Malfunction is detected in communication of Intel-
ligent Key unit and steering lock unit.
Check steering lock unit.
BL-124
STRG COMM2
[B2014]Malfunction is detected in communication of Intel-
ligent Key unit and steering lock unit.
Check steering lock unit.
BL-124
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

BL-106
< SERVICE INFORMATION >
INTELLIGENT KEY SYSTEM
Trouble Diagnosis Symptom Chart
INFOID:0000000001327851
ALL FUNCTIONS OF THE INTELLIGENT KEY ARE NOT OPERATING
Selective door unlock function using Intelli-
gent Key remote controller button operation ××× ×××
Door lock/unlock operation using mechani-
cal key ×
Ignition knob rotation permission using In-
telligent Key ××× × × × × ×
Ignition knob rotation permission using me-
chanical key ×× × × ×× ×
Engine start using Intelligent Key × × × ××× ×××
Engine start using mechanical key ×× ×× ×××
Key reminder door lock operation ××××××××
Selector lever reminder operation ×× ××× ×
Ignition switch return forgotten warning ××× × × × ×
Ignition key warning (when using mechani-
cal key) ××××
Ignition switch OFF position warning (for in-
side car: when door closed) ×××× × × ×
Ignition switch OFF position warning (for
outside car: when door opened/closed) ×××× × ×× × ××
Warning for removal of Intelligent Key to
outside the car (when door open/closed) ××× × × ×× × × ×
Warning for removal of Intelligent Key to
outside the car (from window) ××× × × × × ×
Door lock non-operation warning × ××× ××× × ×
Intelligent key low battery warning ×× ×××
Will not operate if there is a malfunction in
the area where there is a ×.
Intelligent Key
Key switch
Ignition knob switch ACC switch
Ignition switch
Door unlock sensor
Door switch
Door request switch
Inside key antenna
Out side key antenna
Intelligent Key warning buzzer Intelligent Key unit
CAN communication system
BCM
Combination meter
Steering lock unitSto p l am p s w it ch Detention switch
Passenger side select unlock relay
Symptom Diagnoses service procedure Refer to page
“KEY” and “P shift” warning lamps in combination
meter do not light up at all. 1.
Check Intelligent Key unit power supply and ground cir-
cuit B L - 111
2. Check CAN co
mmunication BCS-13
3. Replace Intelligent Key unit BL-130
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

INTELLIGENT KEY SYSTEMBL-107
< SERVICE INFORMATION >
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REMOTE CONTROL ENTRY FUNCTION MALFUNCTION
DOOR LOCK FUNCTION MALFUNCTION
Before conducting the diagnosis in the following table, check all power door lock system function. Refer to BL-
21.
“KEY” and “P shift” warning lamps in combination
meter turn on, but doors cannot be locked/un-
locked or the engine can not be started using Intel-
ligent Key. 1.
Use CONSULT-III to check if the Intelligent Key has
been registered Refer to
CONSULT-III
Operation Manual
2. Use CONSULT-III setting change function to check if In-
telligent Key system has been cancelled BL-104
3. Intelligent Key battery inspection
BL-130
4. Replace Intelligent Key unitBL-130
Symptom Diagnoses service procedure Refer to page
Symptom Diagnoses service procedure Refer to page
Door lock/unlock does not operate (other func-
tions normal) when Intelligent Key remote control-
ler button is operated. 1. Check door lock/unlock setting
BL-104
2. Intelligent Key battery inspectionBL-130
3. Check door unlock sensor BL-117
4. Check door switchBL-115
5. Replace BCMBCS-13
6. Replace Intelligent Key unit BL-130
Driver side selective door unlock function does
not operate, when Intelligent Key remote control-
ler button is operated.
(All other remote control entry function is OK.) 1. Check selective door unlock setting
BL-104
2. Replace BCMBCS-13
3. Replace Intelligent Key unit BL-130
Panic alarm (horn and headlamp) do not activate,
when panic alarm button is continuously pressed.
(All other remote control entry function is OK.) 1. Check panic alarm mode
BL-104
2. Check headlamp functionBL-129
3. Check horn functionBL-129
4. Check IPDM E/R operationBL-129
5. Check key switch (Intelligent Key unit input) BL-112
6. Check ignition knob switchBL-114
7. Replace Intelligent Key unitBL-130
Hazard lamps do not flash during door lock oper-
ation using Intelligent Key remote controller but-
ton operated.
(Turn signal lamp operation is OK.)
(All other remote control entry function is OK.) 1. Check key reminder setting
BL-104
2. Replace BCMBCS-13
3. Replace Intelligent Key unit BL-130
Hazard lamps do not flash during door lock oper-
ation using Intelligent Key remote controller but-
ton operated.
(Turn signal lamps do not operate.)Check hazard function
BL-128
Intelligent Key warning buzzer does not sound
during door lock/unlock operation using Intelligent
Key remote controller button is operated.
(All other remote control entry function is OK.) 1.
Check if the operation confirmation Intelligent Key
warning buzzer was cancelled by the CONSULT-III set-
tings change function
BL-104
2. Check Intelligent Key warning buzzer
BL-120
3. Replace Intelligent Key unitBL-130
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

BL-108
< SERVICE INFORMATION >
INTELLIGENT KEY SYSTEM
ENGINE START FUNCTION MALFUNCTION
Intelligent Key Operation Inspection
Symptom Diagnoses service procedure Refer to page
Door lock/unlock does not operate when door
request switch operation is used (power door
lock system is normal). 1. Check door lock/unlock setting
BL-104
2. Check outside key antennaBL-121
3. Intelligent Key battery inspectionBL-130
4. Replace Intelligent Key unitBL-130
Door lock/unlock do not operate using door re-
quest switch operated (power door lock system
is normal).1. Check door switch
BL-1152. Check key switch (Intelligent Key unit input)BL-112
3. Check ignition knob switchBL-114
4. Replace Intelligent Key unitBL-130
Driver side selective door unlock function does
not operate, when door request switch is operat-
ed.
(All other door lock function is OK.)1. Check selective door unlock setting
BL-104
2. Replace BCMBCS-13
Passenger side selective door unlock function
does not operate, when door request switch is
operated.
(All other door lock function is OK.)1. Check selective door unlock setting
BL-104
2. Check passenger side select unlock relayBL-128
3. Replace Intelligent Key unitBL-130
Hazard lamps do not flash during door lock op-
eration using door request switch operated.
(Turn signal lamp operation is normal.)
(All other door lock function is OK.)1. Check key reminder setting
BL-104
2. Replace BCMBCS-13
3. Replace Intelligent Key unit BL-130
Hazard lamps do not flash during door lock op-
eration using door request switch operated.
(Turn signal lamps do not operate.)Check hazard function
BL-128

Intelligent Key warning buzzer does not sound
during door lock/unlock operation using Intelli-
gent Key (regardless of whether Intelligent Key
remote controller button or request switch oper-
ation is used). 1. Check if the operation confirmation Intelligent Key
warning buzzer was cancelled by the CONSULT-III
settings change function BL-104
2. Check Intelligent Key warning buzzer
BL-120
3. Replace Intelligent Key unitBL-130
Door lock/unlock operation confirmation Intelli-
gent Key warning buzzer sounds, but door lock
actuator does not operate. (And hazard lamps
do not flash.)1. Check CAN communication
BCS-13
2. Replace Intelligent Key unit BL-130
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

INTELLIGENT KEY SYSTEMBL-109
< SERVICE INFORMATION >
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Mechanical Key Operation Inspection
WARNING CHIME FUNCTION MALFUNCTION
Before conducting the diagnosis in the following table, c
heck “key reminder function” with power door lock sys-
tem.
Symptom Diagnoses service procedure Refer to page
Ignition knob can not turn
KEY warning lamp on combination meter
lights up in red when ignition knob is
pressed. (door lock functions normal) 1. Intelligent Key battery inspection
BL-130
2. Check inside key antennaBL-123
3. Replace Intelligent Key unitBL-130
KEY warning lamp on combination meter
lights up in green when ignition knob is
pressed.1. Check ignition knob switch
BL-1142. Check steering lock unitBL-124
3. Check Intelligent Key unit power supply and ground circuit B L - 111
4. Replace Intelligent Key unitBL-130
Ignition knob turns even without both Intelli-
gent Key and mechanical key.Replace steering lock unit —
Security indicator will still flash when ignition
knob is pressed. 1. Check key switch (Intelligent Key unit input)
BL-112
2. Replace Intelligent Key unitBL-130
Security indicator does not flash with ignition
knob released at LOCK position. (push
switch OFF)1. CAN communication system
BCS-13
2. Ignition knob switch system BL-114
3. Intelligent Key unit power supply and ground circuit B L - 111
Starter motor does not cranking.
(Ignition knob can turn)1. Check detention switch
BL-1262. Check stop lamp switchBL-126
3. Replace Intelligent Key unitBL-130
Symptom Diagnoses service procedure Refer to page
Ignition knob can not turn
Security indicator remains flashing with me-
chanical key inserted.1. Check key switch (BCM input)
BL-113
2. Replace Intelligent Key unitBL-130
KEY indicator and security indicator does
not flashing with mechanical key inserted. 1. Check stop lamp switch
BL-126
2. Replace Intelligent Key unitBL-130
Starter motor does not cranking.
(Ignition knob can turn)1. Check detention switch
BL-1262. Check stop lamp switchBL-126
3. Replace Intelligent Key unitBL-130
Symptom Diagnoses service procedure Refer to page
Ignition key warning chime is inoperative.
(When mechanical key used) 1. Check CAN communication
BCS-13
2. Check key switch (Intelligent Key unit input) BL-112
3. Check door switchBL-115
4. Inspect combination meter (warning) DI-5
5. Replace Intelligent Key unitBL-130
Ignition knob OFF position warning chime
(for inside vehicle) does not sound.
(Ignition key warning chime operates)1. Check CAN communication
BCS-132. Check ignition knob switch BL-114
3. Check key switch (Intelligent Key unit input)BL-112
4. Replace Intelligent Key unitBL-130
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

BL-110
< SERVICE INFORMATION >
INTELLIGENT KEY SYSTEM
Ignition knob OFF position warning chime
(for outside vehicle: after door open/
closed) does not sound.1. Check CAN communication
BCS-132. Check ignition knob switch BL-114
3. Check door switchBL-115
4. Check Intelligent Key warning buzzerBL-120
5. Replace Intelligent Key unitBL-130
Intelligent Key take out warning chime
(when door open/closed) does not sound.1. Check CAN communication
BCS-13
2. Intelligent Key battery inspection BL-130
3. Check ignition knob switch BL-114
4. Check door switchBL-115
5. Check Intelligent Key warning buzzerBL-120
6. Replace Intelligent Key unitBL-130
Intelligent Key take out warning chime
(when door opened/closed) sounds even
though Intelligent Key is in vehicle.1. Check inside key antenna
BL-123
2. Intelligent Key battery inspectionBL-130
3. Replace Intelligent Key unitBL-130
P position selecting warning lamp does
not light up1. Check detention switch
BL-1262. Check combination meter DI-5
3. Replace Intelligent Key unitBL-130
Intelligent Key take out warning chime
(when selector lever is except P position)
does not sound.1. Check CAN communication
BCS-13
2. Check detention switch BL-126
3. Replace Intelligent Key unitBL-130
Intelligent Key take out warning chime
(through window) does not sound 1.
Check if Intelligent Key removal warning (take out from
window) was canceled by CONSULT-III settings change
function BL-1042. Check CAN communication
BCS-13
3. Intelligent Key battery inspection BL-130
4. Check ignition knob switch BL-114
5. Replace Intelligent Key unitBL-130
Intelligent Key take out warning chime
(through window) sounds even though In-
telligent Key is in vehicle.1. Check inside key antenna
BL-123
2. Intelligent Key battery inspectionBL-130
3. Replace Intelligent Key unitBL-130
Symptom Diagnoses service procedure Refer to page
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C