2008 INFINITI FX35 battery

LT-72
< SERVICE INFORMATION >
FRONT FOG LAMP
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:0000000001328336
Refer to LT-16, "CONSULT-III Functions (BCM)".
CONSULT-III Functions (IPDM E/R)INFOID:0000000001328337
Refer to LT-17, "CONSULT-III Functions (IPDM E/R)".
Front Fog Lamps Do Not Illuminate (Both Sides)INFOID:0000000001381751
1.CHECK COMBINATION SWITCH INPUT SIGNAL
CONSULT-III DATA MONITOR
1. Select “FR FOG SW” of BCM (HEAD LAMP) data monitor item.
2. With operating the front fog lamp switch, check the monitor status.
CHECK THE COMBINATION SWITCH
Refer to LT-104, "
Combination Switch Inspection".
OK or NG
OK >> GO TO 2.
NG >> Check combination switch (lighting switch). Refer to LT-104, "
Combination Switch Inspection".
(+)
(-)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
BCM connector Terminal
GroundContinuity
M4 49
Ye s
52
SKIA5294E
When lighting switch is front
fog lamp ON position : FR FOG SW ON
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FRONT FOG LAMPLT-73
< SERVICE INFORMATION >
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2.FRONT FOG LAMP ACTIVE TEST
CONSULT-III ACTIVE TEST
1. Select “LAMPS” of IPDM E/R active test item.
2. With operating the test item, check th at the front fog lamp is turned ON.
IPDM E/R AUTO ACTIVE TEST
1. Start auto active test. Refer to PG-20, "
Auto Active Test".
2. Make sure front fog lamp operation.
OK or NG
OK >> GO TO 3.
NG >> GO TO 4.
3.CHECK IPDM E/R
CONSULT-III DATA MONITOR
1. Select “FR FOG REQ” of IPDM E/R data monitor item.
2. Turn lighting switch 1ST.
3. With operating the front fog lamp switch, check the monitor status.
OK or NG
OK >> Replace IPDM E/R. Refer to PG-24, "Removal and Installation of IPDM E/R".
NG >> Replace BCM. Refer to BCS-13, "
Removal and Installation of BCM".
4.CHECK FRONT FOG LAMP INPUT SIGNAL
CONSULT-III ACTIVE TEST
1. Turn ignition switch OFF.
2. Disconnect front fog lamp RH and LH connectors.
3. Select “LAMPS” of IPDM E/R active test item.
4. With operating the test items, check the voltage between the IPDM E/R harness connector and the ground.
IPDM E/R AUTO ACTIVE TEST
1. Turn ignition switch OFF.
2. Disconnect front fog lamp RH and LH connectors.
3. Start auto active test. Refer to PG-20, "
Auto Active Test".
4. When front fog lamp operates, check voltage bet ween front fog lamp (RH and LH) harness connectors
and ground. Front fog lamp should operate.
Front fog lamp should operate.
When lighting switch is front
fog lamp ON position
: FR FOG REQ ON
Te r m i n a l s
Vol tag e
(Approx.)
(+)
(-)
Front fog lamp connector Terminal
RH E102 1 Ground Battery voltage
LH E45 1
Te r m i n a l s Vol tag e
(Approx.)
(+)
(-)
Front fog lamp connector Terminal
RH E102 1 Ground Battery voltage
LH E45 1
PKIA6276E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

TURN SIGNAL AND HAZARD WARNING LAMPSLT-85
< SERVICE INFORMATION >
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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 >
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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 >
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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

TURN SIGNAL AND HAZARD WARNING LAMPSLT-93
< SERVICE INFORMATION >
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1. Disconnect BCM connector.
2. Check continuity between BCM harness connector M4 terminal 45 and rear combination lamp control unit harness connector
B65 terminal 4.
3. Check continuity between BCM harness connector M4 terminal 46 and rear combination lamp control unit harness connector
B65 terminal 5.
OK or NG
OK >> Replace rear combination lamp control unit.
NG >> Repair harness or connector.
3.CHECK POWER SUPPLY CIRCUIT
1. Disconnect rear combination lamp control unit connector.
2. Check voltage between rear combination lamp control unit har- ness connector B65 terminal 1 and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair harness or connector.
4.CHECK GROUND CIRCUIT
Check continuity between rear combination lamp control unit har-
ness connector B65 terminal 7 and ground.
OK or NG
OK >> GO TO 5.
NG >> Repair harness or connector.
5.CHECK REAR COMBINATION LAMPS CIRCUIT
1. Disconnect rear combination lamp RH and LH connectors.
2. Check continuity between rear combination lamp control unit harness connector B65 terminal 11 and rear combination lamp
LH harness connector B57 terminal 3.
3. Check continuity between rear combination lamp control unit harness connector B65 terminal 10 and rear combination lamp
LH harness connector B57 terminal 4.
4. Check continuity between rear combination lamp control unit harness connector B65 terminal 9 and rear
combination lamp RH harness connector B219 terminal 3. 45 – 4 : Continui
ty should exist.
46 – 5 : Continuity should exist.
SKIA5909E
1 – Ground : Battery voltage.
SKIA5907E
7 – Ground : Continuity should exist.
SKIA5908E
11 – 3 : Continuity should exist.
10 – 4 : Continui ty should exist.
9 – 3 : Continui ty should exist.
SKIA5910E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
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