2004 INFINITI FX35 keyless entry

BL-70
REMOTE KEYLESS ENTRY SYSTEM
Revision: 2004 November 2004 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-67
2. Check key fob battery and function.BL-71
3. Check headlamp function.BL-79
4. Check horn function.BL-79
5. Check IPDM E/R operation.BL-78
6. Check key switch.BL-77
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-80
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-67
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-67
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-792. Check door switch.BL-73
3. Replace BCM.BCS-15
Symptom Diagnoses/service procedureReference
page

REMOTE KEYLESS ENTRY SYSTEM
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Revision: 2004 November 2004 FX35/FX45
Check Key Fob Battery and FunctionAIS004MK
1. CHECK KEY FOB BATTERY
1. Remove key fob battery. Refer to BL-83, "
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 UNLOCKRKE KEEP UNLK : ON
*: UN BUTTON ON turns to ON three sec-
onds after UNLOCK button keeps pushing.
Pushing PANIC KEYLESS PANIC : ON
Pushing LOCK and UNLOCK at the
same timeRKE LCK-UNLOCK : ON
PIIA6468E

BL-72
REMOTE KEYLESS ENTRY SYSTEM
Revision: 2004 November 2004 FX35/FX45
Check ACC SwitchAIS004ML
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 SWIgnition switch position is ACC or ON : ON
Ignition switch position is OFF : OFF
PIIA3367E
Item(+)
(–) ConditionVoltage (V)
Approx. Con-
nectorTerminal
(Wire color)
BCM M3 11 (LG/R) GroundACC or ON Battery voltage
OFF 0
PIIA7002E

REMOTE KEYLESS ENTRY SYSTEM
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Revision: 2004 November 2004 FX35/FX45
Check Door SwitchAIS004MM
CHECK DOOR SWITCH (EXCEPT BACK DOOR SWITCH)
1. CHECK DOOR SWITCH INPUT SIGNAL
With CONSULT-II
Check door switches (“DOOR SW-DR”, “DOOR SW-AS”, “DOOR
SW-RL” and “DOOR SW-RR”) in “DATA MONITOR” mode with
CONSULT-II.
Without CONSULT-II
Check voltage between BCM connector and ground.
OK or NG
OK >> Door switch circuit is OK.
NG >> GO TO 2.
Monitor item Condition
DOOR SW-DR
CLOSE → OPEN: OFF → ON DOOR SW-AS
DOOR SW-RL
DOOR SW-RR
Item ConnectorTerminals
(Wire color)Door
conditionVoltage (V)
(Approx.)
(+) (-)
Driver side
B1462 (W)
GroundCLOSE
↓
OPENBattery voltage
↓
0 Rear LH 63 (P)
Passenger side
M312 (P/B)
Rear RH 13 (P/L)
PIIA6469E
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BL-74
REMOTE KEYLESS ENTRY SYSTEM
Revision: 2004 November 2004 FX35/FX45
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.Driver side door
1 (W) – 62 (W) : Continuity should exist.
Passenger side door
1 (SB) – 12 (P/B) : Continuity should exist.
Rear door LH
1 (P) – 63 (P) : Continuity should exist.
Rear door RH
1 (P) – 13 (P/L) : Continuity should exist.
1 (W, SB, P) – Ground : Continuity should not exist.
PIIA7004E
Terminal Door switch condition Continuity
1 Ground part of door switchPushed No
Released Yes
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REMOTE KEYLESS ENTRY SYSTEM
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Revision: 2004 November 2004 FX35/FX45
CHECK BACK DOOR SWITCH
1. CHECK BACK DOOR SWITCH INPUT SIGNAL
With CONSULT-II
Check (“BACK DOOR SW”) in “DATA MONITOR” mode with CONSULT-II.
Without CONSULT-II
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.
Monitor item Condition
BACK DOOR SWOPEN : ON
CLOSE : OFF
PIIA2488E
ConnectorTerminals (Wire color)
ConditionVoltage (V)
(Approx.)
(+) (–)
B14 58 (L) GroundOPEN 0
CLOSE 9
PIIA6229E
58 (L) – 7 (L) : Continuity should exist.
58 (L) – Ground : Continuity should not exist.
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BL-76
REMOTE KEYLESS ENTRY SYSTEM
Revision: 2004 November 2004 FX35/FX45
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
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.8 (B) – Ground : Continuity should exist.
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Terminals Back door condition Continuity
78Open Yes
Close No
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58 (L) – Ground : Approx. 9V
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REMOTE KEYLESS ENTRY SYSTEM
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Revision: 2004 November 2004 FX35/FX45
Check Key SwitchAIS004MN
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 M3 terminal 37 (B/W) and
ground.
OK or NG
OK >> Key switch circuit is OK.
NG >> GO TO 2.
2. CHECK KEY SWITCH
1. Disconnect key switch connector.
2. Check continuity between key switch terminals 1 and 2.
OK or NG
OK >> Check the following.

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

Harness for open or short between key switch and fuse

Harness for open or short between BCM and key switch
NG >> Replace key switch.KEY ON SW : ON
KEY ON SW : OFF
PIIA6470E
Condition of key switchVoltage (V)
Approx.
Key is inserted in ignition key cylinder. Battery voltage
Key is removed from ignition key cylinder. 0
PIIA6471E
Key switch condition Continuity
Key switch is “ON”. (Key is inserted in IGN key cylinder.) Yes
Key switch is “OFF”. (Key is removed from IGN key cylinder.) No
PIIA2627E