2008 INFINITI FX35 fuse diagram

HEADLAMP - XENON TYPE -LT-15
< SERVICE INFORMATION >
C
DE
F
G H
I
J
L
M A
B
LT
N
O P
2. Understand operation description and function description. Refer to LT- 5 , "System Description".
3. Perform Preliminary Check. Refer to LT-15, "
Preliminary Check".
4. Check symptom and repair or replace the cause of malfunction.
5. Does headlamp operate normally? If YES, GO TO 6. If NO, GO TO 4.
6. INSPECTION END
Preliminary CheckINFOID:0000000001328274
CHECK POWER SUPPLY AND GROUND CIRCUIT
1.CHECK FUSES
Check for blown fuses.
Refer to LT- 9 , "
Wiring Diagram - H/LAMP -".
OK or NG
OK >> GO TO 2.
NG >> If fuse is blown, be sure to eliminate caus e of malfunction before installing new fuse. Refer to PG-
3.
2.CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector.
3. Check voltage between BCM harness connector and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair harness or connector.
3.CHECK GROUND CIRCUIT
Unit Power source Fuse and fusible link No.
BCM Battery
M
22
Ignition switch ON or START position 1 Ignition switch ACC or ON position 6
IPDM E/R Battery 72
74
76
86
(+)
(-)Ignition switch position
BCM con- nector Terminal OFF ACC ON
M3 11
Ground Approx. 0 V
Battery volt-
age Battery volt-
age
38 Approx. 0 V Approx. 0 V Battery volt-
age
M4 42
Battery volt-
age Battery volt-
age Battery volt-
age
55 Battery volt-
age Battery volt-
age Battery volt-
age
PKIA5204E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

DAYTIME LIGHT SYSTEMLT-41
< SERVICE INFORMATION >
C
DE
F
G H
I
J
L
M A
B
LT
N
O PHow to Proceed with Trouble DiagnosisINFOID:0000000001328298
1. Confirm the symptom or customer complaint.
2. Understand operation description and function description. Refer to LT-32, "
System Description".
3. Perform Preliminary Check. Refer to LT-41, "
Preliminary Check".
4. Check symptom and repair or replace the cause of malfunction.
5. Does daytime light lamp operate normally? If YES, GO TO 6. If NO, GO TO 4.
6. INSPECTION END
Preliminary CheckINFOID:0000000001328299
CHECK POWER SUPPLY AND GROUND CIRCUIT
1.CHECK FUSES
Check for blown fuses.
Refer to LT-35, "
Wiring Diagram - DTRL -".
OK or NG
35 W/G Combination
switch output 2 ONLighting, turn, wip-
er switch
(Wiper intermittent
dial position 4) OFF
Approx. 7.2 V
Any of the conditions below
 Lighting switch 2ND
 Lighting switch PASSING (Operates only PASSING
switch)
Approx. 1.2 V
38 W/L Ignition switch
(ON)
ON — Battery voltage
39 L CAN − H— — —
40 P CAN − L— — —
42 L/R Battery power
supply
OFF — Battery voltage
49 B Ground ON — Approx. 0 V
52 B Ground ON — Approx. 0 V
55 G Battery power
supply OFF — Battery voltage
Te r m i -
nal No. Wire
color Signal name Measuring condition
Reference value
Ignition
switch Operation or condition
PKIB4960J
PKIB4958J
Unit Power source Fuse and fusible link No.
BCM Battery M
22
Ignition switch ON or START position 1
Daytime light relay Battery 36
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

AUTO LIGHT SYSTEMLT-55
< SERVICE INFORMATION >
C
DE
F
G H
I
J
L
M A
B
LT
N
O P
5. Does auto light system operate normally? If YES, GO TO 6. If NO, GO TO 4.
6. INSPECTION END
Preliminary CheckINFOID:0000000001328316
SETTING CHANGE FUNCTIONS
Sensitivity of auto light system can be adjusted using CONSULT-III. Refer to LT-56, "CONSULT-III Functions
(BCM)".
CHECK POWER SUPPLY AND GROUND CIRCUIT
1.CHECK FUSES
Check for blown fuses.
Refer to LT- 5 0 , "Wiring Diagram - AUTO/L -".
OK or NG
OK >> GO TO 2.
NG >> If fuse is blown, be sure to eliminate caus e of malfunction before installing new fuse. Refer to PG-
3.
2.CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector.
3. Check voltage between BCM harness connector and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair harness or connector.
3.CHECK GROUND CIRCUIT
Unit Power source Fuse and fusible link No.
BCM Battery
M
22
Ignition switch ON or START position 1 Ignition switch ACC or ON position 6
IPDM E/R Battery 71
72
74
76
86
(+)
(-)Ignition switch position
BCM con- nector Te r m i n a l O F F A C C O N
M3 11
Ground Approx. 0 V
Battery volt-
age Battery volt-
age
38 Approx. 0 V Approx. 0 V Battery volt-
age
M4 42
Battery volt-
age Battery volt-
age Battery volt-
age
55 Battery volt-
age Battery volt-
age Battery volt-
age
PKIA5204E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

FRONT FOG LAMPLT-71
< SERVICE INFORMATION >
C
DE
F
G H
I
J
L
M A
B
LT
N
O P
How to Proceed with Trouble DiagnosisINFOID:0000000001328334
1. Confirm the symptom or customer complaint.
2. Understand operation description and function description. Refer to LT-66, "
System Description".
3. Perform Preliminary Check. Refer to LT-71, "
Preliminary Check".
4. Check symptom and repair or replace the cause of malfunction.
5. Does front fog lamp operate normally? If YES, GO TO 6. If NO, GO TO 4.
6. INSPECTION END
Preliminary CheckINFOID:0000000001328335
CHECK POWER SUPPLY AND GROUND CIRCUIT
1.CHECK FUSES
Check for blown fuses.
Refer to LT-68, "
Wiring Diagram - F/FOG -".
OK or NG
OK >> GO TO 2.
NG >> If fuse is blown, be sure to eliminate caus e of malfunction before installing new fuse. Refer to PG-
3.
2.CHECK POWER SUPPLY CIRCUIT
38 B Ground ON — Approx. 0 V
48 L CAN − H— — —
49 R CAN − L— — —
60 B Ground ON — Approx. 0 V
Te r m i -
nal
No. Wire
color Signal
name Measuring condition
Reference value
Ignition
switch Operation or condition
Unit Power source Fuse and fusible link No.
BCM Battery
M
22
Ignition switch ON or START position 1 Ignition switch ACC or ON position 6
IPDM E/R Battery 88
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

LT-88
< SERVICE INFORMATION >
TURN SIGNAL AND HAZARD WARNING LAMPS
How to Proceed with Trouble Diagnosis
INFOID:0000000001328351
1. Confirm the symptom or customer complaint.
2. Understand operation description and function description. Refer to LT-78, "
System Description".
3. Perform preliminary check. Refer to LT-88, "
Preliminary Check".
4. Check symptom and repair or r eplace the cause of malfunction.
5. Do turn signal and hazard warning lamps operate no rmally? If YES, GO TO 6. If NO, GO TO 4.
6. INSPECTION END
Preliminary CheckINFOID:0000000001328352
CHECK POWER SUPPLY AND GROUND CIRCUIT
1.CHECK FUSES
Check for blown fuses.
Refer to LT- 8 2 , "Wiring Diagram - TURN -".
OK or NG
OK >> GO TO 2.
NG >> If fuse is blown, be sure to eliminate caus e of malfunction before installing new fuse. Refer to PG-
3.
11 WRear combination lamp drive sig-
nal (LH) —Lighting switch OFF,
brake pedal released
(stop lamp switch OFF),
turn signal switch OFF,
hazard switch OFF
Approx. 0 V
Lighting switch 1ST Approx. 0.3 V
Brake pedal depressed
(stop lamp switch ON) Battery voltage
ON Turn signal switch LH
Approx. 3.7 V
— Hazard switch ON
Te r m i -
nal
No. Wire
color Signal name Measuring condition
Reference value
Ignition
switch Operation or conditionPKIC9670E
PKIC9671E
Unit Power source Fuse and fusible link No.
BCM Battery
M
22
Ignition switch ON or START position 1 Ignition switch ACC or ON position 6
Rear combination lamp control unit Battery 20
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

LT-128
< SERVICE INFORMATION >
PARKING, LICENSE PLATE AND TAIL LAMPS
Terminal and Reference Value for Re ar Combination Lamp Control Unit
INFOID:0000000001328390
Refer to LT-86, "Terminal and Reference Value for Rear Combination Lamp Control Unit".
How to Proceed with Trouble DiagnosisINFOID:0000000001328391
1. Confirm the symptom or customer complaint.
2. Understand operation description and function description. Refer to LT-118, "
System Description".
3. Perform Preliminary Check. Refer to LT-128, "
Preliminary Check".
4. Check symptom and repair or r eplace the cause of malfunction.
5. Do parking, license plate, side marker and tail lamps operate normally? If YES, GO TO 6. If NO, GO TO 4.
6. INSPECTION END
Preliminary CheckINFOID:0000000001328392
CHECK POWER SUPPLY AND GROUND CIRCUIT
1.CHECK FUSES
Check for blown fuses.
Refer to LT- 1 2 2 , "Wiring Diagram - TAIL/L -".
OK or NG
OK >> GO TO 2.
NG >> If fuse is blown, be sure to eliminate caus e of malfunction before installing new fuse. Refer to PG-
3.
2.CHECK POWER SUPPLY CIRCUIT
49 R CAN − L— — —
60 B Ground ON — Approx. 0 V
Te r m i n a l
No. Wire
color Signal name Measuring condition
Reference value
Ignition
switch Operation or condition
Unit Power source Fuse and fusible link No.
BCM Battery
M
22
Ignition switch ON or START position 1 Ignition switch ACC or ON position 6
IPDM E/R Battery 71
Rear combination lamp control unit Battery 20
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

LT-154
< SERVICE INFORMATION >
INTERIOR ROOM LAMP
How to Proceed with Trouble Diagnosis
INFOID:0000000001328411
1. Confirm the symptom or customer complaint.
2. Understand operation description and function description. Refer to LT-138, "
System Description".
3. Perform Preliminary Check. Refer to LT-154, "
Preliminary Check".
4. Check symptom and repair or r eplace the cause of malfunction.
5. Does interior room lamp operate normally ? If YES, GO TO 6. If NO, GO TO 4.
6. INSPECTION END
Preliminary CheckINFOID:0000000001328412
CHECK FOR POWER SUPPLY AND GROUND CIRCUIT
1.CHECK FUSES
Check for blown fuses.
Refer to LT- 1 4 5 , "Wiring Diagram - ROOM/L -".
OK or NG
OK >> GO TO 2.
NG >> If fuse is blown, be sure to eliminate caus e of malfunction before installing new fuse. Refer to PG-
3.
2.CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector.
3. Check voltage between BCM harness connector and ground.
OK or NG
62 W Front door switch (driv-
er side) signal
OFFFront door switch
(driver side) ON (open) Approx. 0 V
OFF (closed)
Approx. 7.0 - 7.5 V
63 P Rear door switch LH
signal OFF
Rear door switch
LH ON (open) Approx. 0 V
OFF (closed) Ba
ttery voltage
Te r m i n a l
No. Wire
color Signal name Measuring condition
Reference value
Ignition
switch Operation or condition
PKIB4960J
Unit Power source Fuse and fusible link No.
BCM Battery M
22
Ignition switch ON or START position 1
(+) (-)Ignition switch position
BCM con- nector Te r m i n a l O F F O N
M3 38 GroundApprox. 0 V Battery voltage
M4 42 Battery voltage Battery voltage
55 Battery voltage Battery voltage
PKIA7520E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

PG-1
ELECTRICAL
C
DE
F
G H
I
J
L
M
SECTION PG
A
B
PG
N
O P
CONTENTS
POWER SUPPLY, GROUND & CIRCUIT ELEMENTS
SERVICE INFORMATION .. ..........................2
DTC INDEX ..................................................... .....2
U1000 .................................................................. ......2
POWER SUPPLY ROUTING CIRCUIT ...............3
Schematic ........................................................... ......3
Wiring Diagram - POWER - ......................................4
Fuse ........................................................................16
Fusible Link .............................................................16
Circuit Breaker ........................................................16
IPDM E/R (INTELLIGENT POWER DISTRI-
BUTION MODULE ENGINE ROOM) .................
17
System Description ............................................. ....17
CAN Communication System Description ...............18
CAN Communication Unit .......................................18
Function of Detecting Ignition Relay Malfunction ....18
CONSULT-III Function (IPDM E/R) ..................... ....18
Auto Active Test ......................................................20
Schematic ...............................................................22
IPDM E/R Terminal Arrangement ...........................23
IPDM E/R Power/Ground Circuit Inspection ...........23
U1000 CAN COMM CIRCUIT .................................24
Removal and Installation of IPDM E/R ....................24
GROUND ...........................................................26
Ground Distribution .............................................. ....26
HARNESS .........................................................40
Harness Layout ................................................... ....40
Wiring Diagram Codes (Cell Codes) .......................60
ELECTRICAL UNITS LOCATION ....................64
Electrical Units Location ..........................................64
HARNESS CONNECTOR .................................68
Description ...............................................................68
ELECTRICAL UNITS ........................................71
Terminal Arrangement .............................................71
SMJ (SUPER MULTIPLE JUNCTION) .............73
Terminal Arrangement .............................................73
STANDARDIZED RELAY .................................75
Description ...............................................................75
FUSE BLOCK - JUNCTION BOX (J/B) ............77
Terminal Arrangement .............................................77
FUSE, FUSIBLE LINK AND RELAY BOX ........78
Terminal Arrangement .............................................78
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C