2008 INFINITI FX35 ignition

INTELLIGENT KEY SYSTEMBL-105
< SERVICE INFORMATION >
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ACTIVE TEST
List of Operation Related PartsINFOID:0000000001327850
Parts marked with × are the parts related to operation.
Monitor item [OPERATION] Description
PUSH SWITCH [ON/OFF] Displays status (Ignition knob switch ON/i
gnition knob switch OFF) as judged from
ignition knob switch signal.
KEY SW [ON/OFF] Displays status (Key inserted: ON/Key removed: OFF) as judged by key switch.
DR REQ SW [ON/OFF] Displays status (Operable: ON/Non-operable: OFF) as judged from door request
switch (driver
side) signal.
AS REQ SW [ON/OFF] Displays status (Operable: ON/Non-operable: OFF) as judged from door request
switch (passenger side) signal.
BD/TR REQ SW [ON/OFF] Displays status (Operable: ON/Non-operable: OFF) as judged from door request
switch (back door) signal.
IGN SW [ON/OFF] Displays status (Ignition knob ON position: ON/Ignition knob OFF position: OFF) as
judged from ignition switch signal.
ACC SW [ON/OFF] Displays status (Ignition switch ACC position: ON/Ignition switch OFF position:
OFF) as judged from ignition switch signal.
DOOR STAT SW [ON/OFF] Displays status from door unlock sensor ON/OFF condition.
STOP LAMP SW [ON/OFF] Displays status (Brake pedal depress: ON/brake pedal not depress: OFF) as
judged from stop lamp switch signal.
P RANGE SW [ON/OFF] Displays status from park/neutral position switch ON/OFF condition.
BD OPEN SW [ON/OFF] Displays status (Back door open: ON/Back door closed: OFF) as judged from back
door opener switch signal.
Monitor item Description
DOOR LOCK/UNLOCK This test is able to check all door lock actuators lock/unlock operation. These actu-
ators lock when “ON” on CONSULT-III screen is touched.
OUTSIDE BUZZER This test is able to check Intelligent Key warning buzzer operation. The buzzer will
be activated on when “ON” on CONSULT-III screen is touched.
INSIDE BUZZER This test is able to check buzzer (built-in combination meter) operation. The buzzer
will be activated on when “ON” on CONSULT-III screen is touched.
INDICATOR This test is able to check warning lamp operation. The lamp will be turned on when
“ON” on CONSULT-III screen is touched.
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 unit
Stop lamp switch Detention switch
Passenger side select unlock relay
Door lock/unlock operation using Intelligent
Key remote controller button operation ×××××××
Door lock/unlock operation using door re-
quest switch operation ×××××××××
Selective door unlock function using door
request switch operation ××××××× ×
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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
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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
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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
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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
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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
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INTELLIGENT KEY SYSTEMBL-111
< SERVICE INFORMATION >
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Check CAN Comm unication System InspectionINFOID:0000000001534751
1.PERFORM SELF DIAGNOSTIC
1. Turn ignition switch ON and wait for 2 seconds or more.
2. Check “Self Diagnostic Result” of BCM.
Is
“CAN COMM CIRCUIT” displayed?
YES >> Refer to BCS-13, "U1000 CAN Communication Circuit".
NO >> INSPECTION END.
Check Intelligent Key Unit Power Supply and Ground CircuitINFOID:0000000001327853
1.CHECK POWER SUPPLY CIRCUIT
1. Turn ignition knob OFF position.
2. Disconnect Intelligent Key unit connector.
3. Check voltage between Intelligent Key unit connector and ground.
OK or NG
Door lock non-operation warning does not
sound. Intelligent Key warning chime does not sound
1. Intelligent Key battery inspection BL-130
2. Check door request switch BL-119
3. Check inside key antennaBL-123
4. Check Intelligent Key warning buzzerBL-120
5. Replace Intelligent Key unitBL-130
Ignition knob OFF position warning chime does not sound
1. Intelligent Key battery inspection BL-130
2. Check door request switch BL-119
3. Check outside key antennaBL-121
4. Check Intelligent Key warning buzzerBL-120
5. Check ignition knob switch BL-114
6. Replace Intelligent Key unitBL-130
Door ajar alarm
1. Check CAN communications BCS-13
2. Check door request switch BL-119
3. Check outside key antennaBL-121
4. Check Intelligent Key warning buzzerBL-120
5. Check door switch BL-115
6. Intelligent Key battery inspectionBL-130
7. Replace Intelligent Key unitBL-130
Symptom Diagnoses service procedure Refer to page
ConnectorTe r m i n a l
(Wire color) Ignition knob position
M34 (+) (–) OFF ACC ON
6
(W)
Ground 0V 0V Battery voltage
10
(LG) 0V Battery voltage Battery voltage
11
(L/R) Battery voltage Battery voltage Battery voltage
MIIB0360E
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BL-112
< SERVICE INFORMATION >
INTELLIGENT KEY SYSTEM
OK >> GO TO 2.
NG >> Repair or replace Intelligent Key power supply circuit.
2.CHECK GROUND CIRCUIT
Check continuity between Intelligent Key unit connector M34 termi-
nal 12 (B) and ground.
OK or NG
OK >> Power supply and ground circuits are normal.
NG >> Repair or replace the Intelligent Key unit ground circuit.
Check Key Switch (Intel ligent Key Unit Input)INFOID:0000000001327854
1.CHECK KEY SWITCH
With CONSULT-III
Display “KEY SW” on DATA MONITOR screen, and check if ON-OFF display is linked to insertion of mechan-
ical key in ignition knob.
OK or NG
OK >> Key switch is OK.
NG >> GO TO 2.
2.CHECK KEY SWITCH PO WER SUPPLY CIRCUIT
1. Remove mechanical key from ignition knob.
2. Disconnect key switch and ignition knob switch connector.
3. Check voltage between key switch and ignition knob switch connector M22 terminal 3 (L/R) and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace key switch power supply circuit.
3.CHECK KEY SWITCH OPERATION
Check continuity between key switch and ignition knob switch terminals 3 and 4.
OK or NG
OK >> GO TO 4.
NG >> Replace key switch. 12 (B) - Ground : Continuity should exist.
MIIB0361E
When key is inserted in ignition knob : ON
When key is removed in ignition knob : OFF
3 (L/R) - Ground : Battery voltage
PIIA6738E
Terminals Condition Continuity
34 Key is inserted in ignition key cylinder. Yes
Key is removed from ignition key cylinder. No
PIIA6140E
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