service INFINITI FX35 2008 Service Manual

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

TURN SIGNAL AND HAZARD WARNING LAMPSLT-91
< SERVICE INFORMATION >
C
DE
F
G H
I
J
L
M A
B
LT
N
O P
3. Check continuity between BCM harness connector and front combination lamp (RH and LH) harness connectors.
4. Check continuity between BCM harness connector (A) and side turn signal lamp (RH and LH) harness connectors (B).
5. Check continuity between BCM harness connector (A) and rear combination lamp (RH and LH) harness connectors (B).
OK or NG
OK >> GO TO 5.
NG >> Repair harness or connector.
5.CHECK GROUND
1. Check continuity between front combination lamp (RH and LH) harness connectors and ground.
Circuit BCM Front combination lamp
Continuity
Connector Terminal Connector Terminal
RH M4 46 E24
4Yes
LH 45 E44
PKIA5217E
Circuit AB
Continuity
Connector Terminal Connector Terminal
RH M4 46 B67
2Yes
LH 45 B68
PKID0467E
Circuit AB
Continuity
Connector Terminal Connector Terminal
RH M4 46 B219
3Yes
LH 45 B57
PKIC9826E
Front combination lamp
connector Terminal
GroundContinuity
RH E24 8Yes
LH E44
PKIA5218E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

LT-92
< SERVICE INFORMATION >
TURN SIGNAL AND HAZARD WARNING LAMPS
2. Check continuity between side turn signal lamp (RH and LH)harness connectors and ground.
3. Check continuity between rear combination lamp (RH and LH) harness connectors and ground.
OK or NG
OK >> GO TO 6.
NG >> Repair harness or connector.
6.CHECK SHORT CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity (short circuit) between BCM harness connector and ground.
OK or NG
OK >> Replace BCM if turn signal lamps does not work after setting the connector again. Refer to BCS-13, "
Removal
and Installation of BCM".
NG >> Repair harness or connector.
Rear Turn Signal Lam p Does Not OperateINFOID:0000000001328355
1.CHECK TAIL LAMPS AND STOP LAMPS
Make sure tail lamps and stop lamps is illuminated.
OK or NG
OK >> GO TO 2.
NG >> GO TO 3.
2.CHECK TURN SIGNAL LAMPS CIRCUIT
Side turn signal lamp connector Te r m i n a l
GroundContinuity
RH E67 1Yes
LH E68
PKID0468E
Rear combination lamp
connector Te r m i n a l
GroundContinuity
RH B219 4Yes
LH B57
PKIC9827E
BCM connector Terminal
GroundContinuity
RH M4 46
No
LH 45
PKIA6289E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

TURN SIGNAL AND HAZARD WARNING LAMPSLT-93
< SERVICE INFORMATION >
C
DE
F
G H
I
J
L
M A
B
LT
N
O P
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
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

LT-94
< SERVICE INFORMATION >
TURN SIGNAL AND HAZARD WARNING LAMPS
5. Check continuity between rear combination lamp control unit harness connector B65 terminal 8 and rearcombination lamp RH harness connector B219 terminal 4.
OK or NG
OK >> Replace rear combination lamp control unit or rear combination lamp, and then check if turn signal
lamps is illuminated.
NG >> Repair harness or connector.
Hazard Warning Lamp Does Not Oper ate But Turn Signal Lamp OperatesINFOID:0000000001381754
1.CHECK HAZARD SWITCH INPUT SIGNAL
With CONSULT-III
1. Select “HAZARD SW” of BCM (FLASHER) data monitor item.
2. With operating the hazard switch, check the monitor status.
Without CONSULT-III
Check voltage between hazard switch harness connector and
ground.
OK or NG
OK >> Replace BCM. Refer to BCS-13, "Removal and Installation of BCM".
NG >> GO TO 3.
2.CHECK HAZARD SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector and hazard switch connector.
3. Check continuity BCM harness connector M3 terminal 29 and
hazard switch harness connector M51 terminal 2.
OK or NG
OK >> GO TO 3.
NG >> Repair harness or connector.
3.CHECK GROUND 8 – 4 : Continuity should exist.
When hazard switch is ON
position
: HAZARD SW ON
Te r m i n a l s
ConditionVoltage (Ap-
prox.)
(+)
(-)
BCM
connector Te r m i n a l
M3 29 Ground Hazard switch is ON 0 V
Hazard switch is OFF Battery voltage
PKIB5184E
29 – 2 : Continuity should exist.
SKIA5912E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

TURN SIGNAL AND HAZARD WARNING LAMPSLT-95
< SERVICE INFORMATION >
C
DE
F
G H
I
J
L
M A
B
LT
N
O P
Check continuity hazard switch harness connector M51 terminal 1
and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair harness or connector.
4.CHECK HAZARD SWITCH
Check continuity hazard switch.
OK or NG
OK >> Replace BCM if turn signal lamps does not work after setting the connector again. Refer to BCS-13, "
Removal
and Installation of BCM".
NG >> Replace hazard switch.
Bulb Replacement (Fr ont Turn Signal Lamp)INFOID:0000000001328357
Refer to LT-28, "Bulb Replacement".
Bulb Replacement (Rear Turn Signal Lamp)INFOID:0000000001328358
Refer to LT-137, "Bulb Replacement".
Removal and Installation of Front Turn Signal LampINFOID:0000000001328359
Refer to LT-30, "Removal and Installation".
Removal and Installation of Rear Turn Signal LampINFOID:0000000001328360
Refer to LT-137, "Removal and Installation".
Removal and Installation of Rear Combination Lamp Control UnitINFOID:0000000001328361
REMOVAL
1. Remove luggage side box (LH). Refer to EI-45, "Component
Parts Location".
2. Remove nuts (2), and remove rear combination lamp control unit.
INSTALLATION
Installation is the reverse order of removal. 1 – Ground : Continuity should exist.
SKIA5913E
Te r m i n a l
Condition Continuity
Hazard switch
12 Hazard switch is ON Yes
Hazard switch is OFF No
PKIA5221E
PKIB3631E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

LT-96
< SERVICE INFORMATION >
LIGHTING AND TURN SIGNAL SWITCH
LIGHTING AND TURN SIGNAL SWITCH
Removal and InstallationINFOID:0000000001328362
REMOVAL
1. Remove steering column cover. Refer to IP-10.
2. While pressing pawls in direction as shown in the figure, pull lighting and turn signal switch toward driver door and disconnect
from the base.
INSTALLATION
Installation is the reverse order of removal.
PKIB3477E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

HAZARD SWITCHLT-97
< SERVICE INFORMATION >
C
DE
F
G H
I
J
L
M A
B
LT
N
O P
HAZARD SWITCH
Removal and InstallationINFOID:0000000001328363
REMOVAL
1. Remove A/T console finisher. Refer to IP-10.
2. Disconnect the hazard switch connector.
3. Remove the drink holder.
4. Press pawl on reverse side and remove hazard switch.
INSTALLATION
Installation is the reverse order of removal.
PKIC9691E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C