2007 INFINITI FX35 lock

BL-116
INTELLIGENT KEY SYSTEM
Revision: 2006 July 2007 FX35/FX45
CONSULT-II Functions (INTELLIGENT KEY)NIS001NG

CONSULT-II has display and inspection functions for work support, self-diagnosis, data monitor, and con-
trol unit part number by combining data reception and command transmission via communication lines
from the Intelligent Key unit.
CONSULT-II Start ProcedureNIS001NH
Refer to GI-38, "CONSULT-II Start Procedure" .
CONSULT-II Application ItemsNIS001NI
WORK SUPPORT
SELF-DIAGNOSTIC RESULTS
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 Intelligent Key's function can be changed.
ANSWER BACK FUNCTION The condition of answer back function can be changed.
HORN WITH KEYLESS LOCK The condition of key reminder function can be set.
SELECTIVE UNLOCK FUNCTION The condition 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 key reminder function (LOCK) can be changed.
ANSWER BACK WITH I-KEY UNLOCK The condition of key reminder function (UNLOCK) can be changed.
AUTO RELOCK TIMER This mode is able confirm and changed auto door lock function operation time
setting.
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.
BL-124
STRG COMM1
[B2013] Malfunction is detected in communication of
Intelligent Key unit and steering lock unit. Check steering lock unit.
BL-139
STRG COMM2
[B2014] Malfunction is detected in communication of
Intelligent Key unit and steering lock unit. Check steering lock unit.
BL-139

INTELLIGENT KEY SYSTEM BL-117
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Revision: 2006 July 2007 FX35/FX45
DATA MONITOR
MAIN SIGNALS Display Item
ACTIVE TEST
Monitor item [OPERATION] Description
PUSH SWITCH [ON/OFF] Displays status (Ignition knob switch ON/ignition 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
actuators lock when “ON” on CONSULT-II 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-II 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-II screen is touched.
INDICATOR This test is able to check warning lamp operation. The lamp will be turned on
when “ON” on CONSULT-II screen is touched.

BL-118
INTELLIGENT KEY SYSTEM
Revision: 2006 July 2007 FX35/FX45
List of Operation Related PartsNIS001NJ
Parts marked with × are the parts related to operation.
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 unitStop 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
request switch operation ×××××××××
Selective door unlock function using door
request switch operation ××××××× ×
Selective door unlock function using Intelli-
gent Key remote controller button opera-
tion ××× ×××
Door lock/unlock operation using mechani-
cal key ×
Ignition knob rotation permission using
Intelligent Key ××× × × × × ×
Ignition knob rotation permission using
mechanical 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
inside 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 ×× ×××

INTELLIGENT KEY SYSTEM BL-119
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Revision: 2006 July 2007 FX35/FX45
Trouble Diagnosis Symptom ChartNIS001NK
ALL FUNCTIONS OF THE INTELLIGENT KEY ARE NOT OPERATING
REMOTE CONTROL ENTRY FUNCTION MALFUNCTION
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
circuit BL-124
2. Check CAN communication
BL-124
3. Replace Intelligent Key unitBL-146
“KEY” and “P shift” warning lamps in combination
meter turn on, but doors cannot be locked/
unlocked or the engine can not be started using
Intelligent Key. 1.
Use CONSULT-II to check if the Intelligent Key has
been registered Refer to
CONSULT-II Operation Manual
2. Use CONSULT-II setting change function to check if
Intelligent Key system has been cancelled BL-116
3. Intelligent Key battery inspection
BL-147
4. Replace Intelligent Key unitBL-146
Symptom Diagnoses service procedure Refer to page
Door lock/unlock does not operate (other func-
tions normal) when Intelligent Key remote con-
troller button is operated. 1. Check door lock/unlock setting
BL-116
2. Intelligent Key battery inspectionBL-147
3. Check door unlock sensorBL-131
4. Check door switchBL-129
5. Replace BCMBCS-14
6. Replace Intelligent Key unit BL-146
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-116
2. Replace BCMBCS-14
3. Replace Intelligent Key unit BL-146
Panic alarm (horn and headlamp) do not acti-
vate, when panic alarm button is continuously
pressed.
(All other remote control entry function is OK.) 1. Check panic alarm mode
BL-116
2. Check headlamp functionBL-145
3. Check horn functionBL-145
4. Check IPDM E/R operationBL-145
5. Check key switch (Intelligent Key unit input)BL-125
6. Check ignition knob switchBL-127
7. Replace Intelligent Key unitBL-146
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-116
2. Replace BCMBCS-14
3. Replace Intelligent Key unit BL-146
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-145
Intelligent Key warning buzzer does not sound
during door lock/unlock operation using Intelli-
gent 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-II set-
tings change function BL-116
2. Check Intelligent Key warning buzzer
BL-134
3. Replace Intelligent Key unitBL-146

BL-120
INTELLIGENT KEY SYSTEM
Revision: 2006 July 2007 FX35/FX45
DOOR LOCK FUNCTION MALFUNCTION
Before conducting the diagnosis in the following table, check all power door lock system function. Refer to BL-
21, "POWER DOOR LOCK SYSTEM" .
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-116
2. Check outside key antennaBL-135
3. Intelligent Key battery inspectionBL-147
4. Replace Intelligent Key unitBL-146
Door lock/unlock do not operate using door
request switch operated (power door lock sys-
tem is normal). 1. Check door switch
BL-1292. Check key switch (Intelligent Key unit input)BL-125
3. Check ignition knob switchBL-127
4. Replace Intelligent Key unitBL-146
Driver side selective door unlock function does
not operate, when door request switch is oper-
ated.
(All other door lock function is OK.) 1. Check selective door unlock setting
BL-116
2. Replace BCMBCS-14
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-116
2. Check passenger side select unlock relayBL-144
3. Replace Intelligent Key unitBL-146
Hazard lamps do not flash during door lock
operation using door request switch operated.
(Turn signal lamp operation is normal.)
(All other door lock function is OK.) 1. Check key reminder setting
BL-116
2. Replace BCMBCS-14
3. Replace Intelligent Key unit BL-146
Hazard lamps do not flash during door lock
operation using door request switch operated.
(Turn signal lamps do not operate.) Check hazard function
BL-145

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-II
settings change function BL-116
2. Check Intelligent Key warning buzzer
BL-134
3. Replace Intelligent Key unitBL-146
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
BL-124
2. Replace Intelligent Key unitBL-146

INTELLIGENT KEY SYSTEM BL-121
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Revision: 2006 July 2007 FX35/FX45
ENGINE START FUNCTION MALFUNCTION
Intelligent Key Operation Inspection
Mechanical Key Operation Inspection
WARNING CHIME FUNCTION MALFUNCTION
Before conducting the diagnosis in the following table, check “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-147
2. Check inside key antennaBL-138
3. Replace Intelligent Key unitBL-146
KEY warning lamp on combination meter
lights up in green when ignition knob is
pressed. 1. Check ignition knob switch
BL-1272. Check steering lock unitBL-139
3. Check Intelligent Key unit power supply and ground circuitBL-124
4. Replace Intelligent Key unitBL-146
Ignition knob turns even without both Intelli-
gent Key and mechanical key. Replace steering lock unit —
Security indicator will still flash when igni-
tion knob is pressed. 1. Check key switch (Intelligent Key unit input)
BL-125
2. Replace Intelligent Key unitBL-146
Security indicator does not flash with igni-
tion knob released at LOCK position. (push
switch OFF) 1. CAN communication system
BL-124
2. Ignition knob switch systemBL-127
3. Intelligent Key unit power supply and ground circuitBL-124
Starter motor does not cranking.
(Ignition knob can turn) 1. Check detention switch
BL-1422. Check stop lamp switchBL-141
3. Replace Intelligent Key unitBL-146
Symptom Diagnoses service procedure Refer to page
Ignition knob can not turn
Security indicator remains flashing with
mechanical key inserted. 1. Check key switch (BCM input)
BL-126
2. Replace Intelligent Key unitBL-146
KEY indicator and security indicator does
not flashing with mechanical key inserted. 1. Check stop lamp switch
BL-141
2. Replace Intelligent Key unitBL-146
Starter motor does not cranking.
(Ignition knob can turn) 1. Check detention switch
BL-1422. Check stop lamp switchBL-141
3. Replace Intelligent Key unitBL-146
Symptom Diagnoses service procedure Refer to page
Ignition key warning chime is inoperative.
(When mechanical key used) 1. Check CAN communication
BL-124
2. Check key switch (Intelligent Key unit input)BL-125
3. Check door switchBL-129
4. Inspect combination meter (warning) DI-5
5. Replace Intelligent Key unitBL-146
Ignition knob OFF position warning
chime (for inside vehicle) does not
sound.
(Ignition key warning chime operates) 1. Check CAN communication
BL-1242. Check ignition knob switchBL-127
3. Check key switch (Intelligent Key unit input)BL-125
4. Replace Intelligent Key unitBL-146

INTELLIGENT KEY SYSTEM BL-123
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Revision: 2006 July 2007 FX35/FX45
Door lock non-operation warning does
not sound. Intelligent Key warning chime does not sound
1. Intelligent Key battery inspection BL-147
2. Check door request switchBL-133
3. Check inside key antennaBL-138
4. Check Intelligent Key warning buzzerBL-134
5. Replace Intelligent Key unitBL-146
Ignition knob OFF position warning chime does not sound
1. Intelligent Key battery inspection BL-147
2. Check door request switchBL-133
3. Check outside key antennaBL-135
4. Check Intelligent Key warning buzzerBL-134
5. Check ignition knob switchBL-127
6. Replace Intelligent Key unitBL-146
Door ajar alarm
1. Check CAN communications BL-124
2. Check door request switchBL-133
3. Check outside key antennaBL-135
4. Check Intelligent Key warning buzzerBL-134
5. Check door switchBL-129
6. Intelligent Key battery inspectionBL-147
7. Replace Intelligent Key unitBL-146
Symptom Diagnoses service procedure Refer to page

INTELLIGENT KEY SYSTEM BL-127
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Revision: 2006 July 2007 FX35/FX45
3. CHECK KEY SWITCH SIGNAL CIRCUIT
1. Disconnect key switch and ignition knob switch connector and BCM connector.
2. Check continuity between key switch and ignition knob switch connector M22 terminal 4 (B/W) and BCM connector M3 termi-
nal 37 (B/W).
3. Check continuity between key switch and ignition knob switch connector M22 terminal 4 (B/W) and ground.
OK or NG
OK >> Key switch (BCM input) circuit is OK.
NG >> Repair or replace harness between key switch and ignition knob switch and BCM.
Check Ignition Knob SwitchNIS001NP
1. CHECK IGNITION KNOB SWITCH
With CONSULT-II
Display “PUSH SW” on “DATA MONITOR” screen, and check if ON/
OFF display is linked to ignition knob operation.
OK or NG
OK >> Ignition knob switch is OK.
NG >> GO TO 2.
2. CHECK IGNITION KNOB SWITCH POWER SUPPLY CIRCUIT
1. Turn ignition knob LOCK position.
2. Disconnect key switch and ignition knob switch connector.
3. Check voltage between key switch and ignition knob switch connector M22 terminal 1 (L/R) and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace key switch and ignition knob switch power supply circuit.
4 (B/W) – 37 (B/W) : Continuity should exist.
4 (B/W) – Ground : Continuity should not exist.
PIIA5095E
Press ignition knob. : ON
Return ignition knob (release hands
from ignition knob) : OFF
PIIB1360E
1 (L/R) - Ground : Battery voltage
PIIA6741E