Intelligent key system INFINITI FX35 2006 Workshop Manual
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INTELLIGENT KEY SYSTEM BL-107
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TIWH0046E 
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BL-108
INTELLIGENT KEY SYSTEM
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TIWM1669E 
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INTELLIGENT KEY SYSTEM BL-109
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TIWM1670E 
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TIWM1671E 
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INTELLIGENT KEY SYSTEM BL-111
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Revision: 2006 December 2006 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 warn- 
ing 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
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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  
communication  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 Detention 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
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SIIA1910J 
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INTELLIGENT KEY SYSTEM BL-113
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Revision: 2006 December 2006 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 
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*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 
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Diagnosis ProcedureNIS001NF
WORK FLOW
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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