bat fl INFINITI FX35 2004 Service Manual

BL-204
VEHICLE SECURITY (THEFT WARNING) SYSTEM
Revision: 2004 November 2004 FX35/FX45
Diagnostic Procedure 2AIS004P5
SECURITY INDICATOR LAMP CHECK
1. SECURITY INDICATOR LAMP ACTIVE TEST
With CONSULT-II
Check (“THEFT IND”) in “ACTIVE TEST” mode with CONSULT-II.
Without CONSULT-II
Check voltage between BCM connector and ground.
OK or NG
OK >> Security indicator lamp is OK.
NG >> GO TO 2.
2. CHECK HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect BCM and security indicator lamp connector.
3. Check continuity between BCM connector M3 terminal 23 and
security indicator lamp connector M38 terminal 2.
OK or NG
OK >> Check the following.

Harness for open or short between BCM and security
indicator lamp.

10A fuse [No.19, located in fuse block (J/B)]
NG >> Repair or replace harness between BCM and security
indicator lamp. Perform operation shown on display indicator lamp
should illuminate.
PIIA7005E
ConnectorTerminals (Wire color)
ConditionVoltage (V)
(Approx.)
(+) (-)
M3 23 (G/OR) GroundIlluminates 0
Goes off Battery voltage
PIIA6230E
23 (G/OR) – 2 (G/OR) : Continuity should exist.
PIIA6231E

IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-NATS)
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Revision: 2004 November 2004 FX35/FX45

In the vehicle without Intelligent Key system, security indicator always flashes with other than ignition
switch ON or START position.

In the vehicle with Intelligent Key system, security indicator always flashes with mechanical key removed
condition (key switch OFF) and ignition knob released condition on LOCK position (ignition knob switch
OFF).

Therefore, IVIS (NATS) warns outsiders that the vehicle is equipped with the anti-theft system.

If system detects malfunction, it turns on security indicator in ignition switch ON position.

If the owner requires, mechanical key ID can be registered for up to 5 keys.

During trouble diagnosis or when the following parts have been replaced, and if ignition key or mechanical
key is added, registration* is required.
*: All keys kept by the owner of the vehicle should be registered with ignition key or mechanical key.
–ECM
–BCM
–Ignition key (models without Intelligent Key system)
–Mechanical key (models with Intelligent Key system)

IVIS (NATS) trouble diagnoses, system initialization and additional registration of other IVIS (NATS) igni-
tion key or mechanical key IDs must be carried out using CONSULT-II hardware and CONSULT-II IVIS
(NATS) software. When IVIS (NATS) initialization has been completed, the ID of the inserted ignition key
or mechanical key or mechanical key IDs can be carried out.
Regarding the procedures of IVIS (NATS) initialization and ignition key or mechanical key ID registration,
refer to CONSULT-II operation manual, NATS-IVIS/NVIS.
SECURITY INDICATOR

Warns that the vehicle has IVIS (NATS).

In the vehicle without Intelligent Key system, security indicator always flashes with other than ignition
switch ON or START position. In the vehicle with Intelligent Key system, security indicator always flashes
with mechanical key removed condition (key switch OFF) and ignition knob released condition on LOCK
position (ignition knob switch OFF).
NOTE:
Because security indicator is highly efficient, the battery is barely affected.
Condition of Security Indicator
WITHOUT INTELLIGENT KEY SYSTEM
WITH INTELLIGENT KEY SYSTEM

In ignition knob operation with Intelligent Key, it always turns on with pushing ignition knob, and always
flashes with ignition knob released (ignition knob switch OFF) condition on ignition knob “LOCK” position.

In ignition knob operation with mechanical key, it turns off on the condition that mechanical key is inserted
in key cylinder, and always flashes with ignition knob released (ignition knob switch OFF) condition on
mechanical key removed condition.
Security indicator
conditionIgnition keyOperation or condition of ignition key
Ignition switch:
ON positionIgnition switch:
ACC positionIgnition switch:
OFF position
(Key is inserted.)Ignition switch:
OFF position
(Remove key.)
Register key OFF Flashing Flashing Flashing
Ignition key not
registeredON Flashing Flashing Flashing

BL-212
IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-NATS)
Revision: 2004 November 2004 FX35/FX45
Terminals and Reference Value for Steering Lock Unit/with Intelligent Key Sys-
tem
AIS004PF
Terminals and Reference Value for Intelligent Key Unit/with Intelligent Key Sys-
tem
AIS004PG
Te r -
minal
No.Wire
colorSignal DesignationMeasuring condition
Voltage (V)
Approx. Ignition knob
positionOperation or conditions
1 L/R Battery power supply LOCK — Battery voltage
2R/WSteering lock unit
power supplyLOCK — 5
3R/BSteering lock unit com-
munication signalLOCKPress ignition knob with Intelligent Key
inside vehicle.
Other than the above 5
4Y/BSteering lock unit
ground—— 0
SIIA1911J
Te r -
minal
No.Wire
colorSignal designationMeasuring condition
Voltage (V)
Approx. Ignition knob
positionOperation or conditions
1R/WSteering lock unit
power supplyLOCK — 5
2 L CAN communication H — — —
3 R CAN communication L — — —
6 G/R Ignition power supply ON — Battery voltage
7 B/W Key switch LOCKInsert mechanical key into ignition key
cylinder.Battery voltage
Remove mechanical key from ignition
key cylinder.0
11 L/R Battery power supply — — Battery voltage
12 B GND — — 0
27 L/W Ignition knob switch —Press ignition knob. Battery voltage
Return ignition knob to LOCK position. 0
31 Y/BSteering lock unit
ground—— 0
32 R/BSteering lock unit com-
munication signalLOCKPress ignition knob with Intelligent Key
inside vehicle.
Other than the above 5
SIIA1911J

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Revision: 2004 November 2004 FX35/FX45
Terminals and Reference Value for BCMAIS004PH
*: With Intelligent Key systemTe r -
minal
No.Wire
colorSignal designationMeasuring condition
Voltage (V)
Approx. Ignition knob
positionOperation or conditions
21 G/B NATS antenna apm. — Ignition knob OFF → ON positionTester pointer should move just
after turning ignition knob “ON”
23 G/OR Security indicator lamp LOCKGoes OFF → illuminates (Every 2.4
seconds)Battery voltage → 0
25 BR NATS antenna amp. — Ignition knob OFF → ON positionTester pointer should move just
after turning ignition knob “ON”
37* B/W Key switch —Insert mechanical key into ignition key
cylinderBattery voltage
Remove mechanical key from ignition
key cylinder0
38 W/L Ignition power supply ON Ignition knob ON or START position Battery voltage
39 L CAN-H — — —
40 R CAN-L — — —
42 L/R Battery power supply — — Battery voltage
49 B GND — — 0
52 B GND — — 0
55 G Battery power supply — — Battery voltage

BL-218
IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-NATS)
Revision: 2004 November 2004 FX35/FX45
Trouble Diagnosis Symptom ChartAIS004PK
*: When IVIS (NATS) detects trouble, the security indicator lights up while electronic key is in the “ON” position.
Security Indicator InspectionAIS004PL
*: CONSULT-II self-diagnostic results display screen “no malfunction is detected”.SYMPTOMDisplayed “SELF-DIAG
RESULTS” on CON-
SULT-II screen.DIAGNOSTIC PROCE-
DURESYSTEM (Malfunctioning part or mode)

Security indicator
lighting up*

Engine hard to startECM INT CIRC-IMMU
[P1613]Refer to BL-219, "
Diag-
nostic Procedure 1" .ECM
CHAIN OF ECM-IMMU
[P1612]Refer to BL-220, "
Diag-
nostic Procedure 2" .Open circuit in battery voltage line to BCM (NATS
IMMU) circuit
Open circuit in ignition line to BCM (NATS IMMU)
circuit
Open circuit in ground line to BCM (NATS IMMU)
circuit
Open or short circuit between BCM (NATS IMMU)
and ECM communication line.
ECM
BCM (NATS IMMU)
DIFFERENCE OF KEY
[P1615]Refer to BL-221, "
Diag-
nostic Procedure 3" .Unregistered key
NATS IMMU
CHAIN OF IMMU-KEY
[P1614]Refer to BL-224, "
Diag-
nostic Procedure 6" .Open or short circuit between BCM (NATS IMMU)
and NATS antenna amp.
Malfunction of key ID chip
BCM (NATS IMMU)
Antenna amp.
ID DISCORD, IMM-ECM
[P1611]Refer to BL-222, "
Diag-
nostic Procedure 4"
System initialization has not yet been completed.
ECM
LOCK MODE
[P1610]Refer to BL-223, "
Diag-
nostic Procedure 5" .LOCK MODE

MIL staying ON

Security indicator
lighting up*DON'T ERASE
BEFORE CHECKING
ENG DIAGRefer to BL-217, "WORK FLOW" .Engine trouble data and IVIS (NATS) trouble data
have been detected in ECM
SYMPTOMSYSTEM
(Malfunctioning part or mode)DIAGNOSTIC PROCEDURE
Security indicator does not operate*Security indicator
Refer to BL-226, "
Diagnostic
Procedure 7" . Open circuit between Fuse and BCM (NATS
IMMU)
Continuation of initialization mode
BCM (NATS IMMU)

BL-220
IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-NATS)
Revision: 2004 November 2004 FX35/FX45
Diagnostic Procedure 2AIS004PN
Self-diagnostic results:
“CHAIN OF ECM-IMMU” is display on CONSULT-II screen
First perform the “SELF-DIAG RESULTS” in “BCM” with CONSULT-II, then perform the trouble diagno-
sis of malfunction system indicated “SELF-DIAG RESULTS” of “BCM”. Refer to BCS-14, "
CAN Com-
munication Inspection Using CONSULT-II (Self-Diagnosis)" .
1. CONFIRM SELF-DIAGNOSTIC RESULTS
Confirm that SELF-DIAGNOSTIC RESULTS “CHAIN OF ECM-
IMMU” is displayed on the screen?
Does CONSULT-II screen display as shown in figure?
YES >> GO TO 2.
NO >> GO TO BL-218, "
Trouble Diagnosis Symptom Chart" .
2. CHECK POWER SUPPLY CIRCUIT FOR BCM
1. Turn ignition switch OFF.
2. Disconnect BCM connector M4.
3. Check voltage between BCM connector M4 terminals 42 (L/R),
55 (G) and ground.
OK or NG
OK >> GO TO 3.
NG >> Check the following.

50A fusible link [Letter M , located in fuse block (J/B)]

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

Harness for open or short between fusible link or fuse
and BCM.
3. CHECK IGNITION SWITCH ON SIGNAL
1. Turn ignition switch ON.
2. Check voltage between BCM connector M3 terminal 38 (W/L)
and ground.
OK or NG
OK >> GO TO 4.
NG >> Check the following.

15A fuse [No.1, located in fuse block (J/B)]

Harness for open or short between fuse and BCM.
PIIA1260E
42 (L/R) – Ground : Battery voltage
55 (G) – Ground : Battery voltage
PIIA6143E
38 (W/L) – Ground : Battery voltage
PIIA6144E

IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-NATS)
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4. CHECK POWER SUPPLY FOR NATS ANTENNA AMP.
Check voltage between NATS antenna amp. connector M25 terminal 1 (L/R) and ground with CONSULT-II or
tester.
OK or NG
OK >> GO TO 5.
NG >> Check harness for open or short between NATS
antenna amp. and fuse.
5. CHECK NATS ANTENNA AMP. SIGNAL LINE- 1
Check voltage between NATS antenna amp. connector M25 terminal 2 (G/B) and ground with analogue tester.
OK or NG
OK >> GO TO 6.
NG >>

Check harness for open or short between NATS
antenna amp. and BCM.
NOTE:
If harness is OK, replace BCM, perform initialization
with CONSULT-II. For initialization, refer to “CONSULT-II Operation Manual NATS–IVIS/NVIS”.
6. CHECK NATS ANTENNA AMP. SIGNAL LINE- 2
Check voltage between NATS antenna amp. connector M25 terminal 4 (BR) and ground with analogue tester.
OK or NG
OK >> GO TO 7.
NG >>

Check harness for open or short between NATS
antenna amp. and BCM.
NOTE:
If harness is OK, replace BCM, perform initialization
with CONSULT-II. For initialization, refer to “CONSULT-II Operation Manual NATS–IVIS/NVIS”. 1 (L/R) – Ground : Battery voltage
PIIA6145E
Before inserting mechanical key in ignition knob
Voltage: 0V
Just after inserting mechanical key in ignition knob
: Pointer of tester should move.
PIIA6146E
Before inserting mechanical key in ignition knob
Voltage: 0V
Just after inserting mechanical key in ignition knob
: Pointer of tester should move.
PIIA6147E

BL-226
IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-NATS)
Revision: 2004 November 2004 FX35/FX45
7. CHECK NATS ANTENNA AMP. GROUND LINE CIRCUIT
1. Turn ignition switch “OFF”.
2. Check continuity between NATS antenna amp. connector M25 terminal 3 (B) and ground.
OK or NG
OK >> NATS antenna amp. is malfunctioning.
NG >>

Check harness for open or short between NATS
antenna amp. and ground.
NOTE:
If harness is OK, replace BCM, perform initialization
with CONSULT-II. For initialization, refer to “CON-
SULT-II Operation Manual NATS–IVIS/NVIS”.
Diagnostic Procedure 7AIS004PS
“SECURITY INDICATOR LAMP DOES NOT LIGHT UP”
1. CHECK FUSE
Check 10A fuse [No.19, located in the fuse block (J/B)]
OK or NG
OK >> GO TO 2.
NG >> Replace fuse.
2. CHECK SECURITY INDICATOR LAMP
1. Install 10A fuse [No.19, located in the fuse block (J/B)]
2. Start engine and turn ignition switch OFF.
3. Check the security indicator lamp lights up.
OK or NG
OK >> Inspection END.
NG >> GO TO 3.
3. CHECK SECURITY INDICATOR LAMP POWER SUPPLY CIRCUIT
1. Disconnect security indicator lamp connector.
2. Check voltage between security indicator lamp connector M38
terminal 1 (R/W) and ground.
OK or NG
OK >> GO TO 4.
NG >> Check harness for open or short between fuse and
security indicator lamp. 3 (B) – Ground : Continuity should exist.
PIIA6148E
Security indicator lamp should light up.
1 (R/W) – Ground : Battery voltage
PIIA6149E

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4. CHECK BCM FUNCTION
1. Connect security indicator lamp connector.
2. Disconnect BCM connector M3.
3. Check voltage between BCM connector M3 terminal 23 (G/OR)
and ground.
OK or NG
OK >> BCM is malfunctioning.

Replace BCM.

Perform initialization with CONSULT-II.

For initialization, refer to “CONSULT-II Operation
Manual NATS-IVIS/NVIS”.
NG >> Check the following.

Harness for open or short between security indicator lamp and BCM.

Indicator lamp condition
Removal and Installation NATS Antenna Amp.AIS004PT
REMOVAL
CAUTION:
Before servicing SRS, turn ignition switch OFF, disconnect both battery cables and wait at least 3 min-
utes.
1. Remove the steering column cover. Refer to IP-11, "
Removal and Installation" .
2. Disconnect the NATS antenna amp. connect, remove the screw
and NATS antenna amp.
INSTALLATION
Install in the reverse order of removal.23 (G/OR) – Ground : Battery voltage
PIIA6150E
PIIA6064E

INTEGRATED HOMELINK TRANSMITTER
BL-229
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Trouble DiagnosesAIS004PV
DIAGNOSTIC PROCEDURE
SYMPTOM: Transmitter Does Not Activate Receiver.
Before conducting the procedure given below, make sure that system receiver (garage door opener, etc.)
operates with original, hand-held transmitter. If NG, receiver or hand-held transmitter is malfunctioning, not
vehicle related.
1. CHECK ILLUMINATION
1. Turn ignition switch “OFF”.
2. Does red light (LED) of transmitter illuminate when any transmit-
ter button is pressed?
YES or NO
YES >> GO TO 2.
NO >> GO TO 3.
2. CHECK TRANSMITTER
Check transmitter with Tool*.
*:For details, refer to Technical Service Bulletin.
OK or NG
OK >> Receiver or hand-held transmitter malfunction, not vehicle related.
NG >> Replace inside mirror assembly.
3. CHECK BCM OUTPUT POWER SUPPLY
Does room lamp come on when driver side door opened. Refer to LT- 1 5 7
.
Does room lamp illumination?
YES >> GO TO 4.
NO >> Repair or replace the malfunction part.
4. CHECK POWER SUPPLY
1. Disconnect transmitter connector.
2. Turn ignition switch “OFF”.
3. Check voltage between auto anti-dazzling inside mirror (homelink universal transceiver) connector R4 ter-
minal 5 (B/W) and ground.
OK or NG
OK >> GO TO 5.
NG >> Repair or replace harness between BCM and anti-daz-
zling inside mirror (homelink universal transceiver).
PIIA6142E
5 (B/W) – Ground : Battery voltage
PIIA2370E