2008 INFINITI FX35 ignition switch

BL-52
< SERVICE INFORMATION >
REMOTE KEYLESS ENTRY SYSTEM
 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-III
Hazard and horn reminder can be changed using “MULTI ANSWER BACK SET” mode in “WORK SUPPORT”.
Refer to BL-60, "
CONSULT-III Function (BCM)".
Without CONSULT-III
When LOCK and UNLOCK signals are sent from the key f ob for more than 2 seconds at the same time, the
hazard and horn reminder mode is changed and hazard warn ing 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 “AUT O LOCK SET” mode in “WORK SUPPORT”.
Refer to BL-60, "
CONSULT-III Function (BCM)".
Auto door lock mode can be changed also on the display.
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 “P ANIC ALARM SET” mode in “WORK SUPPORT”.
Refer to BL-60, "
CONSULT-III Function (BCM)".
For detailed description, refer to BL-163
.
Keyless Power Window Down (Open) Operation
When key fob unlock switch is turned ON with ignition sw itch 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 cont inues as long as the key fob unlock switch is
pressed.
Keyless power window down operation mode can be changed using “PW DOWN SE\
T” mode in “WORK SUP-
PORT”. Refer to BL-60, "
CONSULT-III Function (BCM)"
Room Lamp and Ignition Key Ring Illumination Operation
When the following conditions come:
 condition of interior lamp switch is DOOR position;
C mode S mode
Remote controller oper-
ation Lock Unlock Lock Unlock
Hazard warning lamp
flash TwiceOnceTwice —
Horn sound Once — — —
SEL153WA
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BL-58
< SERVICE INFORMATION >
REMOTE KEYLESS ENTRY SYSTEM
Terminal and Reference Value for BCM
INFOID:0000000001327818
Te r m i - nal Wire
Color ItemSignal In-
put/ out- put 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 po-
sitionBattery voltage
12 P/B Front door switch (Passen-
ger side) InputON (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 re-
ceiver (Ground)
—— 0
19 R Remote keyless entry re-
ceiver (Power supply) OutputKey is inserted in IGN key cylinder 0
All door closed
20 Y Remote keyless entry re-
ceiver (Signal)
InputKey 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
positionBattery 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
OCC3881D
OCC3879D
OCC3880D
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BL-60
< SERVICE INFORMATION >
REMOTE KEYLESS ENTRY SYSTEM
CONSULT-III Function (BCM)
INFOID:0000000001327820
*: Refer to LAN-43, "CAN System Specification Chart".
DATA MONITOR
ACTIVE TEST
BCM diagnosis
position Inspection items and diagnosis mode Description
BCM C/U* Self-diagnosis results Carries out the self-diagnosis.
DATA MONITOR Displays the input data to BCM on real-time basis.
CAN DIAG SUPPORT MNTR
Displays CAN communication system diagnosis, disabled
transmission status, and communication status of each unit
communicated with BCM.
MULTI REMOTE
ENT DATA MONITOR
Displays the input remote keyless entry system data to BCM on
real–time basis.
ACTIVE TEST Gives a drive to a load to check the operation.
WORK SUPPORT Changes the setting for each function.
Monitored Item Description
IGN ON SW Indicates [ON/OFF] condition of ignition switch in ON position.
KEY ON SW Indicates [ON/OFF] condition of key switch.
ACC ON SW Indicates [ON/OFF] condition of ignition switch in ACC position.
KEYLESS LOCK Indicates [ON/OFF] conditio n of lock signal from key fob.
KEYLWSS UNLOCK Indicates [ON/ OFF] condition of unlock signal from key fob.
KEYLESS PANIC Indicates [ON/ OFF] condition of panic signal from key fob.
KEYLESS TRUNK This is disp layed even when it is not equipped.
DOOR SW-DR Indicates [ON/OFF] conditio n of front door switch driver side.
DOOR SW-AS Indicates [ON/OFF] condition of door switch passenger side.
DOOR SW-RR Indicates [ON/OFF] condition of front door switch RH.
DOOR SW-RL Indicates [ON/OFF] condition of door switch LH.
BACK DOOR SW Indicates [ON/OFF] condition of back door switch.
TRUNK OPN MNTR This is displayed even when it is not equipped.
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.
RKE LCK-UNLOCK Indicates [ON/OFF] condition of simultaneous signal of lock and unlock from key fob.
RKE KEEP UNLK Indicates [ON/OFF] condition of unlock continuousness signal from key fob.
KEY CYL LK-SW Indicates [ON/OFF] condition of lock signal from door ke y cylinder switch.
KEY CYL UN-SW Indicates [ON/OFF] condition of unlo ck signal from door key cylinder switch.
Te s t I t e m D e s c r i p t i o n
FLASHER This test is able to check right hazard reminder operation. The right hazard lamp turns on when “ON” on CONSULT-III screen is touched.
POWER WINDOW DOWN This test is able to check power window open operation.
The front power windows activate for 10 second
s after “ON” on CONSULT-III screen is touched.
HORN This test is able to check panic alarm and horn reminder operations. The horn activate for 0.5 seconds after “ON” on CONSULT-III screen is touched.
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3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

REMOTE KEYLESS ENTRY SYSTEMBL-63
< SERVICE INFORMATION >
C
DE
F
G H
J
K L
M A
B
BL
N
O P
Check Key Fob Battery and FunctionINFOID:0000000001327823
1.CHECK KEY FOB BATTERY
1. Remove key fob battery. Refer to BL-75, "
Key Fob Battery Replacement".
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-60
2. Check hazard function with hazard switch.
BL-72
3. Replace BCM.BCS-13
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-60
2. Check horn function.
BL-72
3. Check IPDM E/R operation.BL-71
4. Replace BCM.BCS-13
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-60
2. Check key fob battery and function.
BL-63
3. Check headlamp function.BL-72
4. Check horn function.BL-72
5. Check IPDM E/R operation.BL-71
6. Check key switch.BL-68
7. Replace key fob. Refer to ID Code Entry Procedure.
NOTE:
If the result of key fob function check with CONSULT-III is OK, key
fob is not malfunctioning.BL-73
8. Replace BCM.
BCS-13
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-60
2. Replace BCM.
BCS-13
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-60
2. Check power window function.
GW-15
3. Replace BCM.BCS-13
Map lamp and ignition keyhole illumination operation
does not activate properly.1. Check map lamp and ignition keyhole illumination operation.
BL-722. Check door switch.BL-65
3. Replace BCM.BCS-13
Symptom Diagnoses/service procedure Reference
page
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BL-64
< SERVICE INFORMATION >
REMOTE KEYLESS ENTRY SYSTEM
2. Measure voltage between battery positive and negative termi-nals, (+) and ( −).
NOTE:
Key fob does not function if bat tery is not set correctly.
OK or NG
OK >> GO TO 2.
NG >> Replace battery.
2.CHECK KEY FOB FUNCTION
With CONSULT-III
Check key fob function in “DATA MONITOR” mode with CONSULT-III. 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.
Check ACC SwitchINFOID:0000000001327824
1.CHECK ACC SWITCH
With CONSULT-III
Check ACC switch (“ACC ON SW”) in “DATA MONITOR” mode with CONSULT-III.
Without CONSULT-III 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
Monitor item Condition
ACC SW Ignition switch position is ACC or ON : ON
Ignition switch position is OFF : OFF
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BL-66
< SERVICE INFORMATION >
REMOTE KEYLESS ENTRY SYSTEM
OK or NG
OK >> Door switch circuit is OK.
NG >> GO TO 2.
2.CHECK DOOR SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect door switch and BCM connector.
3. Check continuity between door switch connector B26, B36, B46, B206 terminals 1 and BCM connector M3, B14 terminals 62, 12,
63, 13.
4. Check continuity between door switch connector B26, B36, B46, B206 terminal 1 and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
3.CHECK DOOR SWITCH
Check continuity between door switch terminal 1 and ground part of
door switch.
OK or NG
OK >> Check door switch case ground condition.
NG >> Replace door switch.
CHECK BACK DOOR SWITCH
1.CHECK BACK DOOR SWITCH INPUT SIGNAL
With CONSULT-III
Check (“BACK DOOR SW”) in “DATA MONITOR” mode with CONSULT-III.
Driver side door
1 (W) – 62 (W) : Conti
nuity should exist.
Passenger side door
1 (SB) – 12 (P/B) : Cont inuity should exist.
Rear door LH
1 (P) – 63 (P) : Conti nuity should exist.
Rear door RH
1 (P) – 13 (P/L) : Cont inuity should exist.
1 (W, SB, P) – Ground : Continuity should not exist.
PIIA7004E
Terminal Door switch condition Continuity
1 Ground part of door switch Pushed No
Released Yes
PIIA3351E
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3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

REMOTE KEYLESS ENTRY SYSTEMBL-67
< SERVICE INFORMATION >
C
DE
F
G H
J
K L
M A
B
BL
N
O P
Without CONSULT-III
Check voltage between BCM connector and ground.
OK or NG
OK >> Back door switch circuit is OK.
NG >> GO TO 2.
2.CHECK HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect BCM and back door closure motor connector.
3. Check continuity between BCM connector B14 terminal 58 and back door closure motor connector D109 terminal 7.
4. Check continuity between BCM connector B14 terminal 58 and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
3.CHECK GROUND CIRCUIT
Check continuity between back door closure motor connector D109
terminal 8 and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness.
4.CHECK BACK DOOR SWITCH
Monitor item Condition DATA MONITOR
BACK DOOR SW OPEN
↓
CLOSE ON
↓
OFF
Connector Terminals (Wire color)
ConditionVoltage (V)
(Approx.)
(+) (–)
B14 58 (L) Ground OPEN 0
CLOSE 9
PIIA6229E
58 (L) – 7 (L) : Continuity should exist.
58 (L) – Ground : Continuity should not exist.
PIIA6226E
8 (B) – Ground : Conti nuity should exist.
PIIA6170E
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BL-68
< SERVICE INFORMATION >
REMOTE KEYLESS ENTRY SYSTEM
Check continuity between back door closure motor D109 terminals 7
and 8.
OK or NG
OK >> GO TO 5.
NG >> Replace back door closure motor.
5.CHECK BCM OUTPUT SIGNAL
1. Connect BCM connector.
2. Check voltage between BCM connector and ground.
OK or NG
OK >> Check condition of harness and connector.
NG >> Replace BCM.
Check Key SwitchINFOID:0000000001327826
1.CHECK KEY SWITCH INPUT SIGNAL
With CONSULT-III
Check ignition key switch “KEY ON SW” in “DATA MONITOR” mode with CONSULT-III.
 When key is inserted in ignition key cylinder
 When key is removed from ignition key cylinder
Without CONSULT-III
Check voltage between BCM connector M3 terminal 37 (B/W) and
ground.
OK or NG
OK >> Key switch circuit is OK.
NG >> GO TO 2.
2.CHECK KEY SWITCH
Terminals Back door condition Continuity
78 Open Yes
Close No
PIIA9934E
58 (L) – Ground : Approx. 9V
PIIA6229E
KEY ON SW : ON
KEY ON SW : OFF
Condition of ignition key cylinder Voltage (V)
Approx.
Key is inserted Battery voltage
Key is removed 0
PIIA6471E
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