2006 INFINITI FX35 keyless

BCS-8
BCM (BODY CONTROL MODULE)
Revision: 2006 December 2006 FX35/FX45
SYSTEMS CONTROLLED BY BCM DIRECTLY
NOTE:
Power supply only. No system control.
SYSTEMS CONTROLLED BY BCM AND IPDM E/R
SYSTEMS CONTROLLED BY BCM AND COMBINATION METER
SYSTEMS CONTROLLED BY BCM AND INTELLIGENT KEY UNIT
System Reference
Power door lock BL-21, "
POWER DOOR LOCK SYSTEM"
Remote keyless entryBL-54, "REMOTE KEYLESS ENTRY SYSTEM"
Power window NOTEGW-15, "POWER WINDOW SYSTEM"
Sunroof NOTERF-10, "SUNROOF"
Room lamp timerLT-156, "INTERIOR ROOM LAMP"
Warning chimeDI-56, "WARNING CHIME"
Rear wiperWW-39, "REAR WIPER AND WASHER SYSTEM"
Low tire pressure warning systemWT-10, "LOW TIRE PRESSURE WARNING SYSTEM"
System Reference
Panic alarm BL-54, "
REMOTE KEYLESS ENTRY SYSTEM"
Theft warningBL-180, "VEHICLE SECURITY (THEFT WARNING) SYSTEM"
IVIS (NATS)BL-205, "IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-NATS)"
HeadlampLT- 7 , "HEADLAMP - XENON TYPE -"
Daytime light LT- 3 9 , "DAYTIME LIGHT SYSTEM"
Auto light systemLT- 5 6 , "AUTO LIGHT SYSTEM"

Parking, license plate, side marker and tail lamps

Battery saver control LT-133, "PARKING, LICENSE PLATE AND TAIL LAMPS"
Front fog lamp
LT- 7 8 , "FRONT FOG LAMP"
Front wiperWW-4, "FRONT WIPER AND WASHER SYSTEM"
Rear window defoggerGW-67, "REAR WINDOW DEFOGGER"
System Reference
Warning chime DI-56, "
WARNING CHIME"
Turn signal and hazard warning lampsLT- 9 0 , "TURN SIGNAL AND HAZARD WARNING LAMPS"
Daytime light systemLT- 3 9 , "DAYTIME LIGHT SYSTEM"
System Reference
Intelligent Key BL-86, "
INTELLIGENT KEY SYSTEM"

BCS-10
BCM (BODY CONTROL MODULE)
Revision: 2006 December 2006 FX35/FX45
CAN Communication UnitNKS00340
Refer to LAN-32, "CAN Communication Unit" .
Vehicle-speed-sensing intermittent wiper
Combination switch

Combination meter IPDM E/R
Rear intermittent wiper Combination switch Rear wiper motor
Rear window defogger

Rear window defogger switch

Ignition switch IPDM E/R
A/C switch signal Unified meter and A/C amp. ECM
Blower fan switch signal Unified meter and A/C amp. ECM
Low tire pressure warning system Remote keyless entry receiver Combination meter System Input Output

BL-2Revision: 2006 December 2006 FX35/FX45 Check Front Door Key Cylinder Switch (Lock) ....
... 51
Check Front Door Key Cylinder Switch (Unlock) . ... 52
Check Select Unlock Relay Circuit ...................... ... 53
REMOTE KEYLESS ENTRY SYSTEM .................. ... 54
Component Parts and Harness Connector Location ... 54
System Description .............................................. ... 55
INPUTS ............................................................ ... 55
OPERATED PROCEDURE .............................. ... 56
CAN Communication System Description ........... ... 57
CAN Communication Unit .................................... ... 57
Schematic ............................................................ ... 58
Wiring Diagram — KEYLES — ............................ ... 59
Terminals and Reference Value for BCM ............. ... 62
Terminals and Reference Value for IPDM E/R ..... ... 63
CONSULT-II Function (BCM) ............................... ... 64
CONSULT-II INSPECTION PROCEDURE ....... ... 64
CONSULT-II APPLICATION ITEMS ................. ... 64
Work Flow ............................................................ ... 66
Trouble Diagnosis Chart by Symptom ................. ... 67
Check Key Fob Battery and Function .................. ... 69
Check ACC Switch .............................................. ... 70
Check Door Switch .............................................. ... 71
CHECK DOOR SWITCH (EXCEPT BACK DOOR
SWITCH) .......................................................... ... 71
CHECK BACK DOOR SWITCH ....................... ... 73
Check Key Switch ................................................ ... 75
Check Remote Keyless Entry Receiver ............... ... 76
Check IPDM E/R Operation ................................. ... 79
Check Hazard Warning Lamp Function ............... ... 80
Check Horn Function ........................................... ... 80
Check Headlamp Function .................................. ... 80
Check Map Lamp and Ignition Keyhole Illumination
Function ............................................................... ... 80
ID Code Entry Procedure .................................... ... 81
KEY FOB ID SET UP WITH CONSULT-II ........ ... 81
KEY FOB ID SET UP WITHOUT CONSULT-II . ... 83
Removal and Installation of Remote keyless Entry
receiver ................................................................ ... 84
REMOVAL ........................................................ ... 84
INSTALLATION ................................................. ... 84
Key Fob Battery Replacement ............................. ... 85
INTELLIGENT KEY SYSTEM ................................ ... 86
Component Parts and Harness Connector Location ... 86
System Description .............................................. ... 88
DOOR LOCK FUNCTION ................................ ... 88
REMOTE CONTROL ENTRY FUNCTIONS ..... ... 89
ENGINE STARTUP FUNCTION ....................... ... 90
WARNING AND ALARM FUNCTION ............... ... 91
CHANGE SETTINGS FUNCTION .................... ... 94
INTELLIGENT KEY REGISTRATION ............... ... 94
STEERING LOCK UNIT REGISTRATION ....... ... 94
CAN Communication System Description ........... ... 95
CAN Communication Unit .................................... ... 95
Schematic ............................................................ ... 96
Wiring Diagram — I/KEY — ................................ ... 98
Terminals and Reference Value for INTELLIGENT
KEY UNIT ............................................................ ..111
Terminals and Reference Value for Steering Lock
unit ....................................................................... .113 Terminals and Reference Value for BCM .............
.113
Terminals and Reference Value for IPDM E/R ..... .114
Diagnosis Procedure ............................................ .115
WORK FLOW ................................................... .115
CONSULT-II Functions (INTELLIGENT KEY) ...... .116
CONSULT-II Start Procedure ............................... .116
CONSULT-II Application Items ............................. .116
WORK SUPPORT ............................................ .116
SELF-DIAGNOSTIC RESULTS ........................ .116
DATA MONITOR ............................................... .117
ACTIVE TEST ................................................... .117
List of Operation Related Parts ............................ .118
Trouble Diagnosis Symptom Chart ...................... .119
ALL FUNCTIONS OF THE INTELLIGENT KEY
ARE NOT OPERATING .................................... .119
REMOTE CONTROL ENTRY FUNCTION MAL-
FUNCTION ....................................................... .119
DOOR LOCK FUNCTION MALFUNCTION ...... .120
ENGINE START FUNCTION MALFUNCTION . .121
WARNING CHIME FUNCTION MALFUNCTION .121
Check CAN Communication System Inspection .. .124
Check Intelligent Key Unit Power Supply and
Ground Circuit ...................................................... .124
Check Key Switch (Intelligent Key Unit Input) ...... .125
Check Key Switch (BCM Input) ............................ .126
Check Ignition Knob Switch ................................. .127
Check Door Switch .............................................. .129
CHECK DOOR SWITCH (EXCEPT BACK DOOR
SWITCH) ........................................................... .129
CHECK BACK DOOR SWITCH ........................ .130
Check Unlock Sensor .......................................... .131
Check Door Request Switch ................................ .133
Check Intelligent Key Warning Buzzer ................. .134
Check Outside Key Antenna ................................ .135
Check Inside Key Antenna ................................... .138
Check Steering Lock Unit ..................................... .139
Check Stop Lamp Switch ..................................... .141
Check Detention Switch ....................................... .142
Check Select Unlock Relay .................................. .144
Check Hazard Function ....................................... .145
Check Horn Function ........................................... .145
Check Headlamp Function ................................... .145
Check IPDM E/R Operation ................................. .145
Removal and Installation of Intelligent Key Unit ... .146
REMOVAL ......................................................... .146
INSTALLATION ................................................. .146
Intelligent Key Battery Replacement .................... .147
INTELLIGENT KEY BATTERY INSPECTION .. .147
DOOR ..................................................................... .148
Fitting Adjustment ................................................ .148
FRONT DOOR .................................................. .148
REAR DOOR .................................................... .148
STRIKER ADJUSTMENT ................................. .149
Removal and Installation of Front Door ............... .149
REMOVAL ......................................................... .149
INSTALLATION ................................................. .150
Removal and Installation of Rear Door ................ .150
REMOVAL ......................................................... .150

POWER DOOR LOCK SYSTEM BL-37
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Revision: 2006 December 2006 FX35/FX45
Work FlowNIS001M4
1. Check the symptom and customer's requests.
2. Understand the outline of system. Refer to BL-22, "
System Description" .
3. According to the trouble diagnosis chart by symptom, repair or replace the cause of the malfunction. Refer to BL-38, "
Trouble Diagnosis Chart by Symptom" .
4. Does power door lock system operate normally? YES: GO TO 5.
NO: GO TO 3.
5. INSPECTION END
CONSULT-II Function (BCM)NIS001M5
CONSULT-II can display each diagnostic item using the diagnostic test modes shown.
CONSULT-II START PROCEDURE
Refer to GI-38, "CONSULT-II Start Procedure" .
CONSULT-II APPLICATION ITEMS
Work Support
Data Monitor
*: With Intelligent Key system BCM diagnosis
test item Check item diagnosis test mode Content
Door lock DATA MONITOR Displays the input data of BCM real time.
ACTIVE TEST Gives a drive signal to a load to check the operation.
Work item Description
DOOR LOCK-UNLOCK SET Select unlock mode can be changed in this mode. Selects ON-OFF of select unlock mode.
ANTI-LOCK OUT SET Key reminder door mode can be changed in this mode. Selects ON-OFF of key reminder door
mode.
Monitor item Content
IGN ON SW Indicates [ON/OFF] condition of ignition switch in ON position.
KEY ON SW Indicates [ON/OFF] condition of key switch.
CDL LOCK SW Indicates [ON/OFF] condition of lock signal from door lock and unlock switch.
CDL UNLOCK SW Indicates [ON/OFF] condition of unlock signal from door lock and unlock switch.
DOOR SW-DR Indicates [ON/OFF] condition of front door switch driver side.
DOOR SW-AS Indicates [ON/OFF] condition of front door switch passenger side.
DOOR SW-RR Indicates [ON/OFF] condition of rear door switch RH.
DOOR SW-RL Indicates [ON/OFF] condition of rear door switch LH.
BACK DOOR SW Indicates [ON/OFF] condition of back door switch.
KEY CYL LK-SW Indicates [ON/OFF] condition of lock signal from key cylinder.
KEY CYL UN-SW Indicates [ON/OFF] condition of unlock signal from key cylinder.
KEYLESS LOCK Indicates [ON/OFF] condition of lock signal from key fob.
KEYLESS UNLOCK Indicates [ON/OFF] condition of unlock signal from key fob.
I-KEY LOCK* Indicates [ON/OFF] condition of lock signal from door request switch.
I-KEY UNLOCK* Indicates [ON/OFF] condition of unlock signal from door request switch.

BL-54
REMOTE KEYLESS ENTRY SYSTEM
Revision: 2006 December 2006 FX35/FX45
REMOTE KEYLESS ENTRY SYSTEMPFP:28596
Component Parts and Harness Connector LocationNIS001MH
PIIB4074E

REMOTE KEYLESS ENTRY SYSTEM BL-55
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Revision: 2006 December 2006 FX35/FX45
System DescriptionNIS001MI
INPUTS
Power is supplied at all times

to BCM terminal 55

through 50A fusible link (letter M , located in the fuse and fusible link box).

to BCM terminal 42

through 15A fuse [No. 22, located in the fuse block (J/B)].

to Horn relay terminal 2

through 15A fuse (No. 34, located in the fuse and fusible link box).
When the key switch is ON (key is inserted in ignition key cylinder), power is supplied

to BCM terminal 37

through key switch terminal 1 and 2

through 15A fuse [No. 22, located in the fuse block (J/B)].
When the ignition switch is ACC or ON, power is supplied

to BCM terminal 11

through 10A fuse [No. 6, located in the fuse block (J/B)].
When the ignition switch is ON or START, power is supplied

to BCM terminal 38

through 15A fuse [No. 1, located in the fuse block (J/B)].
When the front door switch (driver side) is ON (door is OPEN), ground is supplied

to BCM terminal 62

through front door switch (driver side) terminal 1

through front door switch (driver side) case ground.
When the front door switch (passenger side) is ON (door is OPEN), ground is supplied

to BCM terminal 12

through front door switch (passenger side) terminal 1

through front door switch (passenger side) case ground.
When the rear door switch LH is ON (door is OPEN), ground is supplied

to BCM terminal 63

through rear door switch LH terminal 1

through rear door switch LH case ground.
When the rear door switch RH is ON (door is OPEN), ground is supplied

to BCM meter terminal 13

through rear door switch RH terminal 1

through rear door switch RH case ground.
When the back door switch is ON (door is open), ground is supplied

to BCM terminal 58

through back door closure motor (door switch) terminals 7 and 8

through body grounds B15 and B45
Key fob signal is inputted to remote keyless entry receiver (the antenna of the system is built in remote keyless
entry receiver).

to BCM terminal 20

from remote keyless entry system controls operation of the
The remote keyless entry system controls operation of the

power door lock

hazard and horn reminder

auto door lock

panic alarm

keyless power window down (open)

BL-56
REMOTE KEYLESS ENTRY SYSTEM
Revision: 2006 December 2006 FX35/FX45

room lamp and key ring illumination
OPERATED PROCEDURE
Power Door Lock Operation
BCM receives a LOCK signal from key fob. BCM locks all doors with input of LOCK signal from key fob.
When an UNLOCK signal is sent from key fob once, driver's door will be unlocked.
Then, if an UNLOCK signal is sent from key fob again within 5 seconds, all other door will be unlocked.
Power door lock operation mode can be changed using “DOOR LOCK-UNLOCK SET” mode in “WORK SUP-
PORT” of “POWER DOOR LOCK SYSTEM”.
Refer to BL-65, "
Work Support" .
Power door lock operation mode can be changed also on the display.
Hazard and Horn Reminder
When the doors are locked or unlocked by key fob, power is supplied to hazard warning lamp and lamp flash
as follows

LOCK operation: C mode (flash twice) or S mode (flash twice)

UNLOCK operation: C mode (flash once) or S mode (do not flash)
BCM outputs to IPDM E/R for horn reminder signal as DATA LINE (CAN H line and CAN L line).
The hazard and horn reminder has C mode (horn chirp mode) and S mode (non-horn chirp mode).
Operating function of hazard and horn reminder
Hazard and horn reminder do not operate if any door switch is ON (any door is OPEN).
How to change hazard and horn reminder mode
With CONSULT-II
Hazard and horn reminder can be changed using “MULTI ANSWER BACK SET” mode in “WORK SUPPORT”.
Refer to BL-65, "
Work Support" .
Without CONSULT-II
When LOCK and UNLOCK signals are sent from the key fob for more than 2 seconds at the same time, the
hazard and horn reminder mode is changed and hazard warning lamp flashes and horn sounds as follows:
Auto Door Lock Operation
Auto lock function signal is sent for operation when any of the following signals are not sent within 1 minute
after the unlock signal is sent from the key fob:

when door switch is turned ON for open.

when the key switch is turned ON.

when the lock signal is sent from the key fob.
Auto door lock mode can be changed using “AUTO LOCK SET” mode in “WORK SUPPORT”.
Refer to BL-65, "
Work Support" .
Auto door lock mode can be changed also on the display.
C mode S mode
Remote controller
operation Lock Unlock Lock Unlock
Hazard warning lamp
flash Twice Once Twice —
Horn sound Once — — —
SEL153WA

REMOTE KEYLESS ENTRY SYSTEM BL-57
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Revision: 2006 December 2006 FX35/FX45
Panic Alarm Operation
When key switch is OFF (when ignition key is not inserted in key cylinder), BCM turns on and off horn and
headlamp intermittently with input of PANIC ALARM signal from key fob.
The alarm automatically turns off after 25 seconds or when BCM receives any signal from key fob.
Panic alarm operation mode can be changed using “PANIC ALARM SET” mode in “WORK SUPPORT”.
Refer to BL-65, "
Work Support" .
For detailed description, refer to BL-180, "
VEHICLE SECURITY (THEFT WARNING) SYSTEM" .
Keyless Power Window Down (Open) Operation
When key fob unlock switch is turned ON with ignition switch OFF, and key fob unlock switch is detected to be
on continuously for 3 seconds, the driver's door and passenger's door power windows are simultaneously
opened.
Power window is operated to open and the operation continues as long as the key fob unlock switch is
pressed.
Keyless power window down operation mode can be changed using “PW DOWN SET” mode in “WORK SUP-
PORT”. Refer to BL-65, "
Work Support"
Room Lamp and Ignition Key Ring Illumination Operation
When the following conditions come:

condition of interior lamp switch is DOOR position;

door switch OFF (when all the doors are closed);
Remote keyless entry system turns on interior lamp (for 30 seconds) with input of UNLOCK signal from key
fob. For detailed description, refer to LT- 1 5 6 , "
INTERIOR ROOM LAMP" .
CAN Communication System DescriptionNIS001MJ
CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent error detection ability. Many elec-
tronic control units are equipped onto a vehicle, and each control unit shares information and links with other
control units during operation (not independent). In CAN communication, control units are connected with 2
communication lines (CAN H line, CAN L line) allowing a high rate of information transmission with less wiring.
Each control unit transmits/receives data but selectively reads required data only.
CAN Communication UnitNIS001MK
Refer to LAN-32, "CAN Communication Unit" .