2008 INFINITI FX35 ignition

LT-74
< SERVICE INFORMATION >
FRONT FOG LAMP
OK or NG
OK >> GO TO 6.
NG >> GO TO 5.
5.CHECK FRONT FOG LAMP CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R connector.
3. Check continuity between IPDM E/R harness connector (A) and
front fog lamp (RH and LH) harness connectors (B).
OK or NG
OK >> Replace IPDM E/R. Refer to PG-24, "Removal and
Installation of IPDM E/R".
NG >> Repair harness or connector.
6.CHECK FRONT FOG LAMP GROUND
1. Turn ignition switch OFF.
2. Check continuity between front fog lamp (RH and LH) harness connectors and ground.
3. Check continuity between front fog lamp LH harness connector E45 terminal 2 and ground.
OK or NG
OK >> Check front fog lamp bulbs.
NG >> Repair harness or connector.
Front Fog Lamp Does No t Illuminate (One Side)INFOID:0000000001381752
1. CHECK BULB
Check bulb of lamp which does not illuminate.
OK or NG
OK >> GO TO 2.
NG >> Replace front fog lamp bulb.
2.CHECK FRONT FOG LAMP CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R connector.
3. Check continuity between IPDM E/R harness connector (A) and
front fog lamp RH or LH harness connectors (B).
OK or NG
OK >> GO TO 3.
NG >> Repair harness or connector.
Circuit AB
Continuity
Connector Terminal Connector Terminal
RH E836 E102 1
Ye s
LH 37 E45 1
PKIC9739E
2 – Ground : Continuity should exist.
2 – Ground : Continuity should exist.
PKIA6277E
Circuit AB
Continuity
Connector Terminal Connector Terminal
RH E836 E102 1
Ye s
LH 37 E45 1
PKIC9739E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

LT-78
< SERVICE INFORMATION >
TURN SIGNAL AND HAZARD WARNING LAMPS
TURN SIGNAL AND HAZARD WARNING LAMPS
Component Parts and Harn ess Connector LocationINFOID:0000000001328343
System DescriptionINFOID:0000000001328344
OUTLINE
Power is supplied at all times
 through 50A fusible link (letter M, located in fuse and fusible link block)
 to BCM terminal 55,
 through 15A fuse [No. 22, located in fuse block (J/B)]
 to BCM terminal 42,
 through 10A fuse [No. 19, located in fuse block (J/B)]
 to combination meter terminal 8.
 through 10A fuse [No. 20, located in fuse block (J/B)]
 to rear combination lamp control unit terminal 1.
When ignition switch is in ON or START position, power is supplied
 through 15A fuse [No. 1, located in fuse block (J/B)]
 to BCM (body control module) terminal 38,
 through 10A fuse [No. 14, located in fuse block (J/B)]
 to combination meter terminal 7.
When ignition switch is in ACC or ON position, power is supplied
 through 10A fuse [No. 6, located in fuse block (J/B)]
 to BCM terminal 11.
Ground is supplied
 to rear combination lamp control unit terminal 7
 through grounds E21, E50 and E51,
 to BCM terminals 49 and 52, and
 to combination meter terminals 5, 6 and 15
 through grounds M35, M45 and M85.
TURN SIGNAL OPERATION
LH Turn Signal Lamp
PKIC9692E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

TURN SIGNAL AND HAZARD WARNING LAMPSLT-85
< SERVICE INFORMATION >
C
DE
F
G H
I
J
L
M A
B
LT
N
O P
Te r m i n a l No. Wire
color Signal name Measuring condition
Reference value
Ignition
switch Operation or condition
2GY Combination
switch input 5
ONLighting, turn, wip-
er switch
(Wiper intermittent
dial position 4) OFF Approx. 0 V
Turn signal switch to right
Approx. 1.0 V
3L/B Combination
switch input 4 ONLighting, turn, wip-
er switch
(Wiper intermittent
dial position 4) OFF Approx. 0 V
Turn signal switch to left
Approx. 1.0 V
11 L G Ignition switch
(ACC) ACC — Battery voltage
29 G/Y Hazard switch
signal OFF Hazard switch ON Approx. 0 V
OFF Battery voltage
36 W/R Combination
switch output 1 ONLighting, turn, wip-
er switch
(Wiper intermittent
dial position 4) OFF
Approx. 7.2 V
Any of the conditions be-
low
 Turn signal switch to right
 Turn signal switch to left
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
PKIB4959J
PKIB4959J
PKIB4960J
PKIB4958J
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

LT-86
< SERVICE INFORMATION >
TURN SIGNAL AND HAZARD WARNING LAMPS
Terminal and Reference Value for Re ar Combination Lamp Control Unit
INFOID:0000000001328350
45 G/WFlasher output
(left) ON
Combination
switch Turn left ON
46 BR/W Flasher output
(right) ONCombination
switch Turn right ON
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 n a l
No. Wire
color Signal name Measuring condition
Reference value
Ignition
switch Operation or condition
SKIA3009J
SKIA3009J
Te r m i -
nal
No. Wire
color Signal name Measuring condition
Reference value
Ignition
switch Operation or condition
1 GY Ignition switch (ON) ON — Battery voltage
2 R Tail lamp signal — Lighting switch OFF Approx. 0 V
Lighting switch 1ST Battery voltage
3 P Stop lamp signal — Brake pedal released
(stop lamp switch OFF)
Approx. 0 V
Brake pedal depressed
(stop lamp switch ON) Battery voltage
4 OR Turn signal lamp LH signal ON
Turn signal switch OFF,
hazard switch OFF
Approx. 0 V
ON Turn signal switch LH
Approx. 6.0 V
— Hazard switch ON
PKIC6370E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

TURN SIGNAL AND HAZARD WARNING LAMPSLT-87
< SERVICE INFORMATION >
C
DE
F
G H
I
J
L
M A
B
LT
N
O P
5 PU Turn signal lamp RH signal ON
Turn signal switch OFF,
hazard switch OFF
Approx. 0 V
ON Turn signal switch RH
Approx. 6.0 V
— Hazard switch ON
6 SB Warning output signal ON When turn signal lamp op-
erates normally
Approx. 5.0 V
Except when turn signal
lamp operates normally Approx. 9.9 V
7 B Ground ON — Approx. 0 V
8Y Rear combination lamp RH
ground ON — Approx. 0 V
9LG Rear combination lamp drive sig-
nal (RH) —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 RH
Approx. 3.7 V
— Hazard switch ON
10 BR Rear combination lamp LH
ground
ON — Approx. 0 V
Te r m i -
nal
No. Wire
color Signal name Measuring condition
Reference value
Ignition
switch Operation or condition
PKIC6370E
PKIC9669E
PKIC9670E
PKIC9671E
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

TURN SIGNAL AND HAZARD WARNING LAMPSLT-89
< SERVICE INFORMATION >
C
DE
F
G H
I
J
L
M A
B
LT
N
O P
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
Check continuity between BCM harness connector and ground.
OK or NG
OK >> INSPECTION END
NG >> Repair harness or connector.
CONSULT-III Functions (BCM)INFOID:0000000001328353
CONSULT-III can display each diagnostic item using the diagnostic test mode shown following.
CONSULT-III BASIC OPERATION
Refer to GI-34, "Description".
DATA MONITOR
Display Item List
(+)
(-)Ignition switch position
OFF ACC ON
BCM con-
nector Te r m i n a l
M3 11
Ground Approx. 0 V
Battery
voltage Battery
voltage
38 Approx. 0 V Approx. 0 V Battery
voltage
M4 42
Battery
voltage Battery
voltage Battery
voltage
55 Battery
voltage Battery
voltage Battery
voltage
PKIA5204E
BCM connector Terminal
GroundContinuity
M4 49
Ye s
52
SKIA5294E
BCM diagnosis part Diagnosis mode Description
FLASHER DATA MONITOR Displays BCM input data in real time.
ACTIVE TEST Operation of electrical loads can be checked by sending driving signal to them.
Monitor item Contents
IGN ON SW “ON/OFF” Displays “IGN posi tion (ON)/OFF, ACC position (OFF)” judged from ignition switch signal.
HAZARD SW “ON/OFF” Displays “Hazard ON (ON)/Hazard OFF (OFF)” status, determined from hazard switch signal.
TURN SIGNAL R “ON/OFF” Displays “Turn ri ght (ON)/Other (OFF)” status, determined from lighting switch signal.
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

LT-90
< SERVICE INFORMATION >
TURN SIGNAL AND HAZARD WARNING LAMPS
ACTIVE TEST
Display Item List
Turn Signal Lamp Does Not OperateINFOID:0000000001381753
1.CHECK BULB
Check bulb standard of each turn signal lamp is correct.
OK or NG
OK >> GO TO 2.
NG >> Replace turn signal lamp bulb.
2.CHECK COMBINATION SWITCH INPUT SIGNAL
CONSULT-III DATA MONITOR
1. Select “TURN SIGNAL R” and “TURN SIGNAL L” of BCM (FLASHER) data monitor item.
2. With operating the test item, check the monitor status.
CHECK THE COMBINATION SWITCH
Refer to LT-104, "
Combination Switch Inspection".
OK or NG
OK >> GO TO 3.
NG >> Check combination switch (lighting switch). Refer to LT-104, "
Combination Switch Inspection".
3.ACTIVE TEST
CONSULT-III ACTIVE TEST
1. Select “FLASHER” of BCM (FLASHER) active test item.
2. With operating the test item, check the turn signal lamp operation.
GO TO 4
OK or NG
OK >> Replace BCM. Refer to BCS-13, "Removal and Installation of BCM".
NG >> GO TO 4.
4.CHECK TURN SIGNAL LAMP CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector, front combination lamp (RH and LH) connectors, side turn signal lamp (RH and LH) connectors and rear combination lamp (RH and LH) connectors.
TURN SIGNAL L “ON/OFF” Displays “Turn left (ON)/Other (O FF)” status, determined from lighting switch signal.
BRAKE SW “ON/OFF” Displays “Stop lamp switch ON (ON)/Stop lamp switch OFF (OFF)” status, determined from stop lamp
switch signal.
Monitor item Contents
Test item Description
FLASHER Turn signal lamp (right or left) can be operated by any ON-OFF operations.
When lighting switch is
TURN RH position : TURN SIGNAL R ON
When lighting switch is
TURN LH position : TURN SIGNAL L ON
Turn signal lamp should operate.
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C