2007 INFINITI FX35 key battery

BL-36
POWER DOOR LOCK SYSTEM
Revision: 2006 July 2007 FX35/FX45
Terminals and Reference Value for BCMNIS001M2
Terminals and Reference Value for Intelligent Key Unit (With Intelligent Key Sys-
tem)
NIS001M3
Te r m i -
nal Wire
Color Item Signal
Input/
output Condition
Voltage (V)
(Approx.)
12 P/B Front door switch (Pas-
senger 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
22 OR Power window serial link Input/
Output Ignition switch ON
37 B/W Key switch Input ON (Key inserted)
→ OFF (Key
removed from IGN key cylinder) Battery voltage
→ 0
39 L CAN H Input/
Output ——
40 P CAN L Input/
Output ——
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 → 0
49 B Ground — — 0
50 PU Door lock actuator (lock) Output Door lock / unlock switch
(Free → Lock) 0
→ Battery voltage → 0
51 W/B Passenger and rear doors
lock actuator (unlock) Output
Door lock / unlock switch
(Free → Unlock) 0
→ Battery voltage → 0
52 B Ground — — 0
55 G Power source (Fusible
link) Input — Battery voltage
58 L Back door switch Input ON (Door open) → OFF (Door closed) 0 → 9
62 W Front door switch (Driver
side) Input ON (Door open)
→ OFF (Door closed) 0 → Battery voltage
63 P Rear door switch LH Input ON (Door open) → OFF (Door closed) 0 → Battery voltage
PIIA2344J
Te r m i -
nal Wire
Color Item Signal
Input/
output Condition
Voltage (V)
(Approx.)
2 L CAN H Input/
Output ——
3 P CAN L Input/
Output ——
27 L/W Push switch Input Push switch (OFF → ON) 0 → Battery voltage
40 BR/W AS unlock output signal Output Door lock / unlock switch
(Free → Unlock) 0
→ Battery voltage

BL-44
POWER DOOR LOCK SYSTEM
Revision: 2006 July 2007 FX35/FX45
4. CHECK BACK DOOR SWITCH GROUND HARNESS
Check continuity between back door switch connector D109 terminal
8 and ground.
OK or NG
OK >> Check harness connection.
NG >> Repair or replace harness.
Check Key SwitchNIS001M9
1. CHECK KEY SWITCH INPUT SIGNAL
With CONSULT-II
Check ignition key switch “KEY ON SW” in “DATA MONITOR” mode
with CONSULT-II.

When key is inserted in ignition key cylinder

When key is removed from ignition key cylinder
Without CONSULT-II
Check voltage between BCM connector and ground.
OK or NG
OK >> Key switch circuit is OK.
NG >> GO TO 2. (With Intelligent Key)
NG >> GO TO 3. (Without Intelligent Key) 8 (B) – Ground : Continuity should exist.
PIIA6477E
KEY ON SW : ON
KEY ON SW : OFF
PIIA6470E
Connector Terminal
Condition of key switch Voltage (V)
Approx.
(+) (-)
M3 37
(B/W) Ground Key is inserted in IGN
key cylinder. Battery voltage
Key is removed from IGN
key cylinder. 0
PIIA6378E

BL-62
REMOTE KEYLESS ENTRY SYSTEM
Revision: 2006 July 2007 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 Key is inserted in IGN key cylinder 0
All door closed
20 Y Remote keyless entry
receiver (Signal) Input Key is inserted in IGN key cylinder 0
Waiting
(All door closed)
When signal is received
(All door closed)
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
C
D E
F
G H
J
K L
M A
B
BL
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/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 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 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
C
D E
F
G H
J
K L
M A
B
BL
Revision: 2006 July 2007 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-14
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-14
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-14
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-14
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-14
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-14

BL-68
REMOTE KEYLESS ENTRY SYSTEM
Revision: 2006 July 2007 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-14
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-14
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-14
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-14
Symptom Diagnoses/service procedure Reference
page

REMOTE KEYLESS ENTRY SYSTEM BL-69
C
D E
F
G H
J
K L
M A
B
BL
Revision: 2006 July 2007 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

BL-70
REMOTE KEYLESS ENTRY SYSTEM
Revision: 2006 July 2007 FX35/FX45
Check ACC SwitchNIS001MT
1. CHECK ACC SWITCH
With CONSULT-II
Check ACC switch (“ACC ON SW”) in “DATA MONITOR” mode with
CONSULT-II.
Without CONSULT-II
Check voltage between BCM connector and ground.
OK or NG
OK >> ACC switch is OK.
NG >> Check the following.

10A fuse [No. 6, located in fuse block (J/B)]

Harness for open or short between BCM and fuse.
Monitor item Condition
ACC SW Ignition switch position is ACC or ON : ON
Ignition switch position is OFF : OFF
PIIA3367E
Item (+)
(–) Condition Voltage (V)
Approx.
Con-
nector Terminal
(Wire color)
BCM M3 11 (LG) Ground ACC or ON Battery voltage
OFF 0
PIIA7002E