2006 INFINITI FX35 key fob battery

BCM (BODY CONTROL MODULE) BCS-9
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Revision: 2006 December 2006 FX35/FX45
MAJOR COMPONENTS AND CONTROL SYSTEM
System Input Output
Remote control entry system key fob

All-door locking actuator

Turn signal lamp (LH, RH)
Intelligent key system Intelligent key unit

All-door locking actuator

Fuel lid Lock actuator

Turn signal lamp (LH, RH)

Combination meter
Power door lock system

Power window main switch
(door lock and unlock switch)

Power window sub switch (passenger side)
(door lock and unlock switch) All-door locking actuator
Power supply (IGN) to power window, sunroof Ignition power supply Power window and sunroof system
Power supply (BAT) to power window, sunroof
and power seat Battery power supply
Power window, sunroof system and
power seat
Panic alarm

Key switch

Key fob IPDM E/R
Theft warning system

All-door switch

Hood switch

Key fob

Power window main switch (door lock and
unlock switch)

IPDM E/R

Security indicator lamp
Auto light system

Optical sensor

Combination switch IPDM E/R
Battery saver control

Ignition switch

Combination switch IPDM E/R
Headlamp Combination switch IPDM E/R
Daytime light system

Combination meter

ECM Combination meter
Tail lamp Combination switch IPDM E/R
Front fog lamp Combination switch IPDM E/R
Turn signal lamp Combination switch

Turn signal lamp

Combination meter
Hazard lamp Hazard switch

Turn signal lamp

Combination meter
Room lamp timer

Key switch

key fob

Power window main switch (door lock and
unlock switch)

Front door switch driver side

All-door switch Interior room lamp
Key warning chime

Key switch

Front door switch driver side Combination meter
(warning buzzer)
Light warning chime

Combination switch

Front door switch driver side Combination meter
(warning buzzer)
Seat belt warning chime

Combination meter (Seat belt buckle
(driver side) switch)

Ignition switch Combination meter
(warning buzzer)

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

BL-62
REMOTE KEYLESS ENTRY SYSTEM
Revision: 2006 December 2006 FX35/FX45
Terminals and Reference Value for BCMNIS001MN
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
11 LG Ignition switch Input Ignition switch is in ACC or ON
position Battery voltage
12 P/B Front door switch (Passen-
ger side) Input
ON (door open)
→ OFF (door
closed) 0
→ Battery voltage
13 P/L Rear door switch RH Input ON (door open)
→ OFF (door
closed) 0
→ Battery voltage
18 B Remote keyless entry
receiver (Ground) —— 0
19 R Remote keyless entry
receiver (Power supply) Output —
20 Y Remote keyless entry
receiver (Signal) Input Stand-by
When remote keyless entry
receiver receives signal from key-
fob.
37 B/W Key switch Input ON (Key is inserted in IGN key cyl-
inder) → OFF (Key is removed
from IGN key cylinder) Battery voltage
→ 0
38 W/L Ignition switch Input Ignition switch is in ON or START
position 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 Battery power supply
(fuse) Input — Battery voltage
44 Y Driver door lock actuator
(Unlock) Output
Door lock / unlock switch
(Free → Unlock) 0
→ Battery voltage
OCC3881D
OCC3879D
OCC3880D

REMOTE KEYLESS ENTRY SYSTEM BL-63
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Revision: 2006 December 2006 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/RNIS001MO
* : In the state that horn reminder operates. 45 G/W Left turn signal lamp Output
When door lock or unlock is oper-
ated using key fob.*
1
(ON → OFF) Battery voltage
→ 0
46 BR/W Right turn signal lamp Output When door lock or unlock is oper-
ated using key fob.*
1
(ON → OFF) Battery voltage
→ 0
47 Y/R Step lamp output signal Output Step lamp is lighting. 0
Step lamp is being turned off. Battery voltage
48 PU/W Room lamp output signal Output Room lamp is lighting.*
20
Room lamp is being turned off.*
2Battery voltage
49, 52 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
54 W Battery power supply
(power window) Input — Battery voltage
55 G Battery power supply (Fus-
ible link) Input — Battery voltage
58 L Back door switch Input OFF (Door close)
→ ON (Door
open) 9
→ 0
62 W Front door switch (Driver
side) InputOFF (Door close)
→ ON (Door
open) Battery voltage
→ 0
63 P Rear door switch LH Input OFF (Door close)
→ ON (Door
open) Battery voltage
→ 0
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 door lock is operated using
key fob* (OFF → ON) Battery voltage
→ 0
60 B Ground — — 0

REMOTE KEYLESS ENTRY SYSTEM BL-67
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Revision: 2006 December 2006 FX35/FX45
Trouble Diagnosis Chart by SymptomNIS001MR
NOTE:

Always check the “Work Flow” before troubleshooting. Refer to BL-66, "Work Flow" .

Always check key fob battery before replacing key fob.
Symptom Diagnoses/service procedure Reference
page
All function of remote keyless entry system do not
operate. 1. Check key fob battery and function.
BL-69
2. Replace key fob. Refer to ID Code Entry Procedure.
NOTE:
If the result of key fob function check with CONSULT-II is OK, key
fob is not malfunctioning. BL-81
3. Check remote keyless entry receiver.
BL-76
4. Replace BCM.BCS-15
The new ID of key fob cannot be entered. 1. Check key fob battery and function.
BL-69
2. Check key switch.BL-75
3. Check door switch.BL-71
4. Check ACC switch.BL-70
5. Replace key fob. Refer to ID Code Entry Procedure.
NOTE:
If the result of key fob function check with CONSULT-II is OK, key
fob is not malfunctioning. BL-81
6. Replace BCM.
BCS-15
Door lock or unlock does not function with key fob.
(Power door lock system is “OK”.) 1. Check key fob battery and function.
BL-69
2. Replace key fob. Refer to ID Code Entry Procedure.
NOTE:
If the result of key fob function check with CONSULT-II is OK, key
fob is not malfunctioning. BL-81
3. Replace BCM.
BCS-15
Hazard and horn reminder does not activate prop-
erly when pressing lock or unlock button of key fob. 1. Check hazard and horn reminder mode.*
*: Hazard and horn reminder mode can be changed.
First check the hazard and horn reminder setting. BL-65
2. Check door switch.
BL-71
3. Replace BCM.BCS-15
Hazard reminder does not activate properly when
pressing lock or unlock button of key fob.
(Horn reminder is “OK”.) 1. Check hazard reminder mode.*
*: Hazard reminder mode can be changed.
First check the hazard reminder setting. BL-65
2. Check hazard function with hazard switch.
BL-80
3. Replace BCM.BCS-15
Horn reminder does not activate properly when
pressing lock button of key fob.
(Hazard reminder is “OK”.) 1. Check horn reminder mode.*
*: Horn reminder can be changed.
First check the horn chirp setting. BL-65
2. Check horn function.
BL-80
3. Check IPDM E/R operation.BL-79
4. Replace BCM.BCS-15

BL-68
REMOTE KEYLESS ENTRY SYSTEM
Revision: 2006 December 2006 FX35/FX45
Panic alarm (horn and headlamp) does not activate
when panic alarm button is continuously pressed. 1. Check panic alarm mode.*
*: Panic alarm mode can be changed.
First check the panic alarm setting. BL-65
2. Check key fob battery and function.
BL-69
3. Check headlamp function.BL-80
4. Check horn function.BL-80
5. Check IPDM E/R operation.BL-79
6. Check key switch.BL-75
7. Replace key fob. Refer to ID Code Entry Procedure.
NOTE:
If the result of key fob function check with CONSULT-II is OK, key
fob is not malfunctioning. BL-81
8. Replace BCM.
BCS-15
Auto door lock operation does not activate properly.
(All other remote keyless entry system function is
OK.) 1. Check auto door lock operation mode.*
*: Auto door lock operation mode can be changed.
First check the auto door lock operation setting. BL-65
2. Replace BCM.
BCS-15
Keyless power window down (open) operation does
not activate properly.
(All other remote keyless entry system function is
OK.) 1. Check power window down operation mode.*
*: Power window down operation mode can be changed.
First check the power window down setting. BL-65
2. Check power window function.
GW-15
3. Replace BCM.BCS-15
Map lamp and ignition keyhole illumination opera-
tion does not activate properly. 1. Check map lamp and ignition keyhole illumination operation.
BL-802. Check door switch.BL-71
3. Replace BCM.BCS-15
Symptom Diagnoses/service procedure Reference
page

REMOTE KEYLESS ENTRY SYSTEM BL-69
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Revision: 2006 December 2006 FX35/FX45
Check Key Fob Battery and FunctionNIS001MS
1. CHECK KEY FOB BATTERY
1. Remove key fob battery. Refer to BL-85, "
Key Fob Battery Replacement" .
2. Measure voltage between battery positive and negative termi- nals, (+) and ( −).
NOTE:
Key fob does not function if battery is not set correctly.
OK or NG
OK >> GO TO 2.
NG >> Replace battery.
2. CHECK KEY FOB FUNCTION
With CONSULT-II
Check key fob function in “DATA MONITOR” mode with CONSULT-
II. When pushing each button of key fob, the corresponding monitor
item should be turned as follows.
OK or NG
OK >> Key fob is OK.
NG >> Replace key fob. Voltage : 2.5 – 3.0V
SEL237W
Condition Monitor item
Pushing LOCK KEYLESS LOCK : ON
Pushing UNLOCK KEYLESS UNLOCK : ON
Keep pushing UNLOCK RKE KEEP UNLK : ON
Pushing PANIC KEYLESS PANIC : ON
Pushing LOCK and UNLOCK at the
same time RKE LCK-UNLOCK : ON
PIIA6468E

REMOTE KEYLESS ENTRY SYSTEM BL-85
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Revision: 2006 December 2006 FX35/FX45
Key Fob Battery ReplacementNIS001N4
PIIA4706E