warning INFINITI FX35 2004 Workshop Manual

INTELLIGENT KEY SYSTEM
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Revision: 2004 November 2004 FX35/FX45
List of Operation Related PartsAIS004N8
Parts marked with × are the parts related to operation.
Will not operate if there is a malfunction in
the area where there is a ×.
Intelligent Key
Key switch
Ignition knob switch
ACC switch
Ignition switch
Door unlock sensor
Door switch
Door request switch
Inside key antenna
Out side key antenna
Intelligent Key warning buzzer
Intelligent Key unit
CAN communication system
BCM
Combination meter
Steering lock unit
St o p l a m p s w it c h
Detention switch
Passenger side select unlock relay
Door lock/unlock operation using Intelligent
Key remote controller button operation×××××××
Door lock/unlock operation using door
request switch operation×××××××××
Selective door unlock function using door
request switch operation××××××× ×
Selective door unlock function using Intelli-
gent Key remote controller button opera-
tion××× ×××
Door lock/unlock operation using mechani-
cal key×
Ignition knob rotation permission using
Intelligent Key××× × × × × ×
Ignition knob rotation permission using
mechanical key×× × × ×× ×
Engine start using Intelligent Key× × × ××× ×××
Engine start using mechanical key×× ×× ×××
Key reminder door lock operation××××××××
Selector lever reminder operation×× ××× ×
Ignition switch return forgotten warning××× × × × ×
Ignition key warning (when using mechani-
cal key)××××
Ignition switch OFF position warning (for
inside car: when door closed)×××× × × ×
Ignition switch OFF position warning (for
outside car: when door opened/closed)×××× × ×× × ××
Warning for removal of Intelligent Key to
outside the car (when door open/closed)××× × × ×× × × ×
Warning for removal of Intelligent Key to
outside the car (from window)××× × × × × ×
Door lock non-operation warning×××××××××
Intelligent key low battery warning×× ×××

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INTELLIGENT KEY SYSTEM
Revision: 2004 November 2004 FX35/FX45
Trouble Diagnosis Symptom ChartAIS004N9
ALL FUNCTIONS OF THE INTELLIGENT KEY ARE NOT OPERATING
REMOTE CONTROL ENTRY FUNCTION MALFUNCTION
Symptom Diagnoses service procedure Refer to page
“KEY” and “P shift” warning lamps in combination
meter do not light up at all.1.Check Intelligent Key unit power supply and ground
circuitBL-124
2. Check CAN communicationBL-123
3. Replace Intelligent Key unitBL-146
“KEY” and “P shift” warning lamps in combination
meter turn on, but doors cannot be locked/
unlocked or the engine can not be started using
Intelligent Key.1.Use CONSULT-II to check if the Intelligent Key has
been registeredRefer to
CONSULT-II
Operation
Manual
2.Use CONSULT-II setting change function to check if
Intelligent Key system has been cancelledBL-115
3. Intelligent Key inspectionBL-147
4. Replace Intelligent Key unitBL-146
Symptom Diagnoses service procedure Refer to page
Door lock/unlock does not operate (other func-
tions normal) when Intelligent Key remote con-
troller button is operated.1. Check door lock/unlock settingBL-115
2. Intelligent Key inspectionBL-147
3. Check door unlock sensorBL-131
4. Check door switchBL-128
5. Replace BCMBCS-15
6. Replace Intelligent Key unitBL-146
Driver side selective door unlock function does
not operate, when Intelligent Key remote control-
ler button is operated.
(All other remote control entry function is OK.)1. Check selective door unlock settingBL-115
2. Replace BCMBCS-15
3. Replace Intelligent Key unitBL-146
Panic alarm (horn and headlamp) do not acti-
vate, when panic alarm button is continuously
pressed.
(All other remote control entry function is OK.)1. Check panic alarm modeBL-115
2. Check headlamp functionBL-145
3. Check horn functionBL-145
4. Check IPDM E/R operationBL-145
5. Check key switch (Intelligent Key unit input)BL-124
6. Check ignition knob switchBL-127
7. Replace Intelligent Key unitBL-146
Hazard lamps do not flash during door lock oper-
ation using Intelligent Key remote controller but-
ton operated.
(Turn signal lamp operation is OK.)
(All other remote control entry function is OK.)1. Check key reminder settingBL-115
2. Replace BCMBCS-15
3. Replace Intelligent Key unitBL-146
Hazard lamps do not flash during door lock oper-
ation using Intelligent Key remote controller but-
ton operated.
(Turn signal lamps do not operate.)Check hazard functionBL-145
Intelligent Key warning buzzer does not sound
during door lock/unlock operation using Intelli-
gent Key remote controller button is operated.
(All other remote control entry function is OK.)1.Check if the operation confirmation Intelligent Key
warning buzzer was cancelled by the CONSULT-II set-
tings change functionBL-115
2. Check Intelligent Key warning buzzerBL-134
3. Replace Intelligent Key unitBL-146

INTELLIGENT KEY SYSTEM
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Revision: 2004 November 2004 FX35/FX45
DOOR LOCK FUNCTION MALFUNCTION
Before conducting the diagnosis in the following table, check all power door lock system function. Refer to BL-
22, "POWER DOOR LOCK SYSTEM" .
Symptom Diagnoses service procedure Refer to page
Door lock/unlock does not operate when door
request switch operation is used (power door
lock system is normal).1. Check door lock/unlock settingBL-115
2. Check outside key antennaBL-135
3. Intelligent Key inspectionBL-147
4. Replace Intelligent Key unitBL-146
Door lock/unlock do not operate using door
request switch operated (power door lock sys-
tem is normal).1. Check door switchBL-1282. Check key switch (Intelligent Key unit input)BL-124
3. Check ignition knob switchBL-127
4. Replace Intelligent Key unitBL-146
Driver side selective door unlock function does
not operate, when door request switch is oper-
ated.
(All other door lock function is OK.)1. Check selective door unlock settingBL-115
2. Replace BCMBCS-15
Passenger side selective door unlock function
does not operate, when door request switch is
operated.
(All other door lock function is OK.)1. Check selective door unlock settingBL-115
2. Check passenger side select unlock relayBL-144
3. Replace Intelligent Key unitBL-146
Hazard lamps do not flash during door lock
operation using door request switch operated.
(Turn signal lamp operation is normal.)
(All other door lock function is OK.)1. Check key reminder settingBL-115
2. Replace BCMBCS-15
3. Replace Intelligent Key unitBL-146
Hazard lamps do not flash during door lock
operation using door request switch operated.
(Turn signal lamps do not operate.)Check hazard functionBL-145

Intelligent Key warning buzzer does not sound
during door lock/unlock operation using Intelli-
gent Key (regardless of whether Intelligent Key
remote controller button or request switch oper-
ation is used).1. Check if the operation confirmation Intelligent Key
warning buzzer was cancelled by the CONSULT-II
settings change functionBL-115
2. Check Intelligent Key warning buzzerBL-134
3. Replace Intelligent Key unitBL-146
Door lock/unlock operation confirmation Intelli-
gent Key warning buzzer sounds, but door lock
actuator does not operate. (And hazard lamps
do not flash.)1. Check CAN communicationBL-123
2. Replace Intelligent Key unitBL-146

BL-120
INTELLIGENT KEY SYSTEM
Revision: 2004 November 2004 FX35/FX45
ENGINE START FUNCTION MALFUNCTION
Intelligent Key Operation Inspection
Mechanical Key Operation Inspection
WARNING CHIME FUNCTION MALFUNCTION
Before conducting the diagnosis in the following table, check “key reminder function” with power door lock sys-
tem.
Symptom Diagnoses service procedure Refer to page
Ignition knob can not turn
KEY warning lamp on combination meter
lights up in red when ignition knob is
pressed. (door lock functions normal)1. Intelligent Key inspectionBL-147
2. Check inside key antennaBL-138
3. Replace Intelligent Key unitBL-146
KEY warning lamp on combination meter
lights up in green when ignition knob is
pressed.1. Check ignition knob switchBL-1272. Check steering lock unitBL-139
3. Check Intelligent Key unit power supply and ground circuitBL-124
4. Replace Intelligent Key unitBL-146
Ignition knob turns even without both Intelli-
gent Key and mechanical key.Replace steering lock unit —
Security indicator will still flash when igni-
tion knob is pressed.1. Check key switch (Intelligent Key unit input)BL-124
2. Replace Intelligent Key unitBL-146
Security indicator does not flash with igni-
tion knob released at LOCK position. (push
switch OFF)1. CAN communication systemBL-123
2. Ignition knob switch systemBL-127
3. Intelligent Key unit power supply and ground circuitBL-124
Starter motor does not cranking.
(Ignition knob can turn)1. Check detention switchBL-1422. Check stop lamp switchBL-141
3. Replace Intelligent Key unitBL-146
Symptom Diagnoses service procedure Refer to page
Ignition knob can not turn
Security indicator remains flashing with
mechanical key inserted.1. Check key switch (BCM input)BL-126
2. Replace Intelligent Key unitBL-146
KEY indicator and security indicator does
not flashing with mechanical key inserted.1. Check stop lamp switchBL-141
2. Replace Intelligent Key unitBL-146
Starter motor does not cranking.
(Ignition knob can turn)1. Check detention switchBL-1422. Check stop lamp switchBL-141
3. Replace Intelligent Key unitBL-146
Symptom Diagnoses service procedure Refer to page
Ignition key warning chime is inoperative.
(When mechanical key used)1. Check CAN communicationBL-123
2. Check key switch (Intelligent Key unit input)BL-124
3. Check door switchBL-128
4. Inspect combination meter (warning)DI-4
5. Replace Intelligent Key unitBL-146
Ignition knob OFF position warning
chime (for inside vehicle) does not
sound.
(Ignition key warning chime operates)1. Check CAN communicationBL-1232. Check ignition knob switchBL-127
3. Check key switch (Intelligent Key unit input)BL-124
4. Replace Intelligent Key unitBL-146

INTELLIGENT KEY SYSTEM
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Revision: 2004 November 2004 FX35/FX45
Ignition knob OFF position warning
chime (for outside vehicle: after door
open/closed) does not sound.1. Check CAN communicationBL-1232. Check ignition knob switchBL-127
3. Check door switchBL-128
4. Check Intelligent Key warning buzzerBL-134
5. Replace Intelligent Key unitBL-146
Intelligent Key take out warning chime
(when door open/closed) does not
sound.1. Check CAN communicationBL-123
2. Intelligent Key inspectionBL-147
3. Check ignition knob switchBL-127
4. Check door switchBL-128
5. Check Intelligent Key warning buzzerBL-134
6. Replace Intelligent Key unitBL-146
Intelligent Key take out warning chime
(when door opened/closed) sounds even
though Intelligent Key is in vehicle.1. Check inside key antennaBL-138
2. Intelligent Key inspectionBL-147
3. Replace Intelligent Key unitBL-146
P position selecting warning lamp does
not light up1. Check detention switchBL-1422. Check combination meterDI-4
3. Replace Intelligent Key unitBL-146
Intelligent Key take out warning chime
(when selector lever is except P position)
does not sound.1. Check CAN communicationBL-123
2. Check detention switchBL-142
3. Replace Intelligent Key unitBL-146
Intelligent Key take out warning chime
(through window) does not sound 1.Check if Intelligent Key removal warning (take out from
window) was canceled by CONSULT-II settings change
functionBL-1152. Check CAN communicationBL-93
3. Intelligent Key inspectionBL-147
4. Check ignition knob switchBL-127
5. Replace Intelligent Key unitBL-146
Intelligent Key take out warning chime
(through window) sounds even though
Intelligent Key is in vehicle.1. Check inside key antennaBL-138
2. Intelligent Key inspectionBL-147
3. Replace Intelligent Key unitBL-146
Symptom Diagnoses service procedure Refer to page

BL-122
INTELLIGENT KEY SYSTEM
Revision: 2004 November 2004 FX35/FX45
Door lock non-operation warning does
not sound.Intelligent Key warning chime does not sound
1. Intelligent Key inspectionBL-147
2. Check door request switchBL-132
3. Check inside key antennaBL-138
4. Check Intelligent Key warning buzzerBL-134
5. Replace Intelligent Key unitBL-146
Ignition knob OFF position warning chime does not sound
1. Intelligent Key inspectionBL-147
2. Check door request switchBL-132
3. Check outside key antennaBL-135
4. Check Intelligent Key warning buzzerBL-134
5. Check ignition knob switchBL-127
6. Replace Intelligent Key unitBL-146
Door ajar alarm
1. Check CAN communicationsBL-123
2. Check door request switchBL-132
3. Check outside key antennaBL-135
4. Check Intelligent Key warning buzzerBL-134
5. Check door switchBL-128
6. Intelligent Key inspectionBL-147
7. Replace Intelligent Key unitBL-146
Symptom Diagnoses service procedure Refer to page

BL-134
INTELLIGENT KEY SYSTEM
Revision: 2004 November 2004 FX35/FX45
5. DOOR REQUEST SWITCH CIRCUIT INSPECTION
1. Disconnect Intelligent Key unit connector.
2. Check continuity between Intelligent Key unit connector M34 terminals 5 (driver door), 25 (passenger
door), and 29 (back door) and door request switch connector D12 (driver door), D42 (passenger door),
D113 (back door) terminal 1.
3. Check continuity between door request switch connector D12
(driver door), D42 (passenger door), D113 (back door) terminal
1 and ground.
OK or NG
OK >> Replace Intelligent Key unit.
NG >> Repair or replace harness between Intelligent Key unit and door request switch.
Check Intelligent Key Warning BuzzerAIS004NI
1. INTELLIGENT KEY WARNING BUZZER POWER SUPPLY CIRCUIT INSPECTION
1. Turn ignition knob LOCK position.
2. Disconnect Intelligent Key warning buzzer connector.
3. Check voltage between Intelligent Key warning buzzer connector D11 (driver side), D41 (passenger side)
terminal 1 (L) and ground.
OK or NG
OK >> GO TO 2.
NG >> Repair or replace Intelligent Key warning buzzer power
supply circuit.
2. INTELLIGENT KEY WARNING BUZZER CIRCUIT INSPECTION
1. Disconnect Intelligent Key unit connector.
2. Check continuity between Intelligent Key unit connector M34 terminal 4 and Intelligent Key warning
buzzer connector D11 (driver side), D41 (passenger side) terminal 2 (G).
3. Check continuity between Intelligent Key warning buzzer con-
nector D11 (driver side), D41 (passenger side) terminal 2 (G)
and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness between Intelligent Key warn-
ing buzzer and Intelligent Key unit. Driver 5 (W/L) - 1 (SB) : Continuity should exist.
Passenger 25 (W/R) - 1 (GY) : Continuity should exist.
Back door 29 (GY) - 1 (GY) : Continuity should exist.
1 - Ground : Continuity should not exist.
PIIA6747E
1 (L) - Ground : Battery voltage
PIIA6748E
4 (LG) - 2 (G) : Continuity should exist.
2 (G) - Ground : Continuity should not exist.
PIIA6749E

INTELLIGENT KEY SYSTEM
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Revision: 2004 November 2004 FX35/FX45
3. INTELLIGENT KEY WARNING BUZZER OPERATION INSPECTION
Connect battery power supply to Intelligent Key warning buzzer connector D11 (driver side), D41 (passenger
side) terminals 1 and 2, and check the operation.
OK or NG
OK >> Intelligent Key warning buzzer is OK.
NG >> Replace Intelligent Key warning buzzer
Check Outside Key AntennaAIS004NJ
1. OUTSIDE KEY ANTENNA POWER SUPPLY INSPECTION
Push each door request switch, and use an oscilloscope to check voltage waveform of harness between Intel-
ligent Key unit connector M34 terminals 17 (back door), 19 (driver and rear LH door), and 37 (passenger and
rear RH door) and ground.
OK or NG
OK >> GO TO 2.
NG >> GO TO 3.1 (BAT+) - 2 (BAT-) : the buzzer sounds
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Terminal (Wire color)
ConditionSignal
(Reference value)
(+) (-)
Back door:
17 (OR/L)
GroundPush each
door request
switch Driver, rear LH:
19 (SB)
Passenger,
rear RH
37 (G)
MIIB0375ESIIA1910J

INTELLIGENT KEY SYSTEM
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Revision: 2004 November 2004 FX35/FX45
Check Hazard FunctionAIS004NP
1. CHECK HAZARD WARNING LAMP
Does hazard warning lamp flash with hazard switch?
YES or NO
YES >> Hazard warning lamp circuit is OK.
NO >> Check hazard circuit. Refer to LT- 8 9 , "
TURN SIGNAL AND HAZARD WARNING LAMPS" .
Check Horn FunctionAIS004NQ
First perform the “SELF-DIAG RESULTS” in “BCM” with CONSULT-II, then perform the trouble diagnosis of
malfunction system indicated “SELF-DIAG RESULTS” of “BCM”. Refer to BCS-14, "
CAN Communication
Inspection Using CONSULT-II (Self-Diagnosis)" .
1. CHECK HORN FUNCTION
Does horn sound with horn switch?
YES or NO
YES >> Horn circuit is OK.
NO >> Check horn circuit. Refer to WW-56, "
HORN" .
Check Headlamp FunctionAIS004NR
First perform the “SELF-DIAG RESULTS” in “BCM” with CONSULT-II, then perform the trouble diagnosis of
malfunction system indicated “SELF-DIAG RESULTS” of “BCM”. Refer to BCS-14, "
CAN Communication
Inspection Using CONSULT-II (Self-Diagnosis)" .
1. CHECK HEADLAMP OPERATION
Does headlamp come on when turning lighting switch “ON”?
YES or NO
YES >> Headlamp operation circuit is OK.
NO >> Check headlamp system. Refer to LT- 7 , "
HEADLAMP - XENON TYPE -" .
Check IPDM E/R OperationAIS004NS
1. CHECK IPDM E/R INPUT VOLTAGE
Check voltage between IPDM E/R connector E9 terminal 51 (SB) and ground.
OK or NG
OK >> Replace IPDM E/R.
NG >> GO TO 2.51 (SB) – Ground : Battery voltage
PIIA6403E

BACK DOOR
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Revision: 2004 November 2004 FX35/FX45
BACK DOORPFP:90100
Fitting AdjustmentAIS004O4
VERTICAL/LATERAL CLEARANCE ADJUSTMENT
1. With the striker released, loosen the bumper rubber lock nuts.
2. Close the back door lightly and adjust the surface height by rotating the bumper rubber and, then open the
back door to finally tighten the back door lock mounting bolts and bumper rubber lock nuts to the specified
torque.
Back Door AssemblyAIS004O5
REMOVAL
1. Remove roof rear garnish assembly. Refer to EI-44, "Removal and Installation" .
2. Disconnect the back door harness connector and AV antenna
feeder.
3. Washer hose is separated in the connection part.
4. Support the back door lock with a proper material to prevent it
from falling.
WARNING:
Body injury may occur if no supporting rod is holding the
back door open when removing the damper stay.
1. Bumper rubber 2. Back door striker 3. Screw
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