INFINITI FX35 2007 Service Manual

INTELLIGENT KEY SYSTEM BL-109
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Revision: 2006 July 2007 FX35/FX45
TIWM1670E

BL-110
INTELLIGENT KEY SYSTEM
Revision: 2006 July 2007 FX35/FX45
TIWM1671E

INTELLIGENT KEY SYSTEM BL-111
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Revision: 2006 July 2007 FX35/FX45
Terminals and Reference Value for INTELLIGENT KEY UNITNIS001NB
Te r -
minal Wire
color Item Signal
Input/
output Condition
Voltage (V) (Approx.)
Ignition
knob
position Operation or conditions
1R/W Steering lock unit power
supply Output LOCK — 5
2 L CAN-H Input/
Output —— —
3 P CAN-L Input/
Output —— —
4LG Intelligent Key warning
buzzer Output LOCK Operate remote
controller button
or door request switch. Buzzer
OFF Battery voltage
Sound
buzzer 0
5W/L Door request switch
(driver side) Input — Door request switch operation:
Press (ON). 0
Other than the above (OFF) 5
6 W Ignition switch (ON) Input ON or
START — Battery voltage
7 B/W key switch Input LOCK Insert mechanical key into igni-
tion key cylinder. Battery voltage
Remove mechanical key from
ignition key cylinder. 0
10 LG Ignition switch (ACC) Input ACC or
ON — Battery voltage
11 L/R Power source (Fuse) Input — — Battery voltage
12 B Ground — — — 0
13 P Inside key antenna (+)
(Luggage room) Output
LOCK Any door open
→ all doors shut
(Door switch: ON → OFF)
14 L Inside key antenna (-)
(Luggage room) Output
15 G Inside key antenna (+)
signal
(Dashboard) Output
LOCK Any door open
→ Close (Door
switch: ON → OFF)
Ignition knob switch: ON (press
ignition knob.)
16 R Inside key antenna (-)
signal
(Dashboard) Output
17 L Back door antenna (+) Output
LOCK Back door request switch opera-
tion (Switch: ON)
18 W/L Back door antenna (-) Output
SIIA1910J
SIIA1910J
SIIA1910J

BL-112
INTELLIGENT KEY SYSTEM
Revision: 2006 July 2007 FX35/FX45
19 SB Outside antenna LH (+) Output
LOCK Driver door request signal oper-
ation (Switch: ON)
20 G/Y Outside antenna LH (-) Output
25 W/R Door request switch
(passenger side) Input — Door request switch operation:
Press (ON) 0
Other than the above (OFF) 5
26 P/L Stop lamp switch Input — Brake pedal depressed (ON) 5
Brake pedal not depressed
(OFF) 0
27 L/W Ignition knob switch Input — Press ignition knob. 12
Return ignition knob to LOCK
position. 0
28 W/B Door unlock sensor Input — Door is locking → unlock 5 → 0
29 GY Door request switch
(back door) Input — Back door request switch opera-
tion: Press (ON) 0
Other than the above (OFF) 5
31 Y/B Steering lock unit
ground —— — 0
32 R/B Steering lock unit com-
munication Output LOCK Press ignition knob with Intelli-
gent Key inside vehicle.
Other than the above 5
35 LG Inside key antenna (+)
signal
(Dashboard) Output
LOCK Any door open
→ Close (Door
switch: ON → OFF)
Ignition knob switch: ON (press
ignition knob.)
36 PU Inside key antenna (-)
signal
(Dashboard) Output
37 G Outside antenna RH (+) Output
LOCK Passenger door request switch
operation (Switch: ON)
38 G/W Outside antenna RH (-) Output
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) pressed Battery voltage
→ 0 → Battery
voltage
Te r -
minal Wire
color Item Signal
Input/
output Condition
Voltage (V) (Approx.)
Ignition
knob
position Operation or conditions
SIIA1910J
SIIA1911J
SIIA1910J
SIIA1910J

INTELLIGENT KEY SYSTEM BL-113
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Revision: 2006 July 2007 FX35/FX45
Terminals and Reference Value for Steering Lock unitNIS001NC
Terminals and Reference Value for BCMNIS001ND
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
power supply Input LOCK — 5
3R/B Steering lock unit com-
munication signal Input LOCK Press ignition knob with
Intelligent Key inside vehi-
cle.
Other than the above 5
4Y/B Steering lock unit
ground —— — 0
SIIA1911J
Te r m i -
nal Wire
color Item Signal
Input/
output Condition
Voltage (V)
(Approx.)
1PU Key ring illumination
output signal Output Key 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 Output 30 minutes after ignition switch is turned
to OFF 0
Ignition switch is in ON position Battery voltage
42 L/R Power source (Fuse) Input — Battery voltage
44 Y Driver 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
using Intelligent Key.*
1
(ON → OFF) Battery voltage
→ 0
46 BR/W Right turn signal lamp Output When door lock or unlock is operated
using Intelligent Key.*
1
(ON → OFF) Battery voltage
→ 0
47 Y/R Step lamp output sig-
nal Output Step lamp is lighting. 0
Step lamp is being turned off. Battery voltage

BL-114
INTELLIGENT KEY SYSTEM
Revision: 2006 July 2007 FX35/FX45
*1: In the state that hazard reminder operates.
*2: In the state that room lamp switch is in “DOOR” position.
Terminals and Reference Value for IPDM E/RNIS001NE
48 PU/W Room lamp output sig-
nal Output Room 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
(Driver 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 Item Signal
Input/
output Condition
Voltage (V)
(Approx.)
Te r m i -
nal Wire
color Item Signal
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
Intelligent Key (OFF → ON) Battery voltage
→ 0
60 B Ground — — 0

INTELLIGENT KEY SYSTEM BL-115
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Revision: 2006 July 2007 FX35/FX45
Diagnosis ProcedureNIS001NF
WORK FLOW
PIIA6736E

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 ×× ×××