light 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

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

COMBINATION SWITCHLT-99
< SERVICE INFORMATION >
C
DE
F
G H
I
J
L
M A
B
LT
N
O P
Terminal and Reference Value for BCMINFOID:0000000001328366
CAUTION:
 Check combination switch system terminal wavef orm under the loaded condition with lighting
switch, turn signal and wipe r switch OFF not to be fluctuated by overloaded.
 Turn wiper dial position to 4 except when checking w aveform or voltage of wiper dial position. Wiper
dial position can be confirmed on CONSULT-III. Refer to LT-103, "
CONSULT-III Functions (BCM)".
Te r -
mi-
nal
No. Wire
color Signal name Measuring condition
Reference value
Igni-
tion
switch Operation or condition
2G/Y Combination
switch input 5
ONLighting, turn,
wiper switch
(Wiper inter-
mittent dial po-
sition 4) OFF Approx. 0 V
Any of the conditions below
 Lighting switch 1ST
 Lighting switch HIGH BEAM
(Operates only HIGH BEAM
switch)
 Turn signal switch to right
Approx. 1.0 V
Lighting switch 2ND Approx. 2.0 V
3L/B Combination
switch input 4 ONLighting, turn,
wiper switch
(Wiper inter-
mittent dial po-
sition 4) OFF Approx. 0 V
Front fog lamp switch
(Operates only front fog lamp
switch)
Approx. 0.8 V
Any of the conditions below
 Lighting switch 2ND
 Lighting switch PASSING (Operates only PASSING switch)
 Turn signal switch to left
Approx. 0.8 V
PKIB4959J
PKIB4953J
PKIB4955J
PKIB4959J
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

LT-100
< SERVICE INFORMATION >
COMBINATION SWITCH
4PU/WCombination
switch input 3 ONLighting, turn,
wiper switch
(Wiper inter-
mittent dial po-
sition 4) OFF Approx. 0 V
Any of the conditions below
 Lighting switch AUTO
 Front wiper switch MIST
 Front wiper switch INT
 Front wiper switch LO
Approx. 1.0 V
5Y/R Combination
switch input 2 ON
Lighting, turn,
wiper switch OFF Approx. 0 V
Any of the conditions below
 Front washer switch
(Wiper intermittent dial position 4)
 Rear washer switch
(Wiper intermittent dial position 4)
 Wiper intermittent dial position 1
 Wiper intermittent dial position 5
 Wiper intermittent dial position 6 Approx. 1.0 V
Rear wiper switch ON
(Wiper intermittent dial position 4) Approx. 0.8 V
Te r -
mi-nal
No. Wire
color Signal name Measuring condition
Reference value
Igni-
tion
switch Operation or condition
PKIB4959J
PKIB4959J
PKIB4955J
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

COMBINATION SWITCHLT-101
< SERVICE INFORMATION >
C
DE
F
G H
I
J
L
M A
B
LT
N
O P
6SB Combination
switch input 1
ONLighting, turn,
wiper switch OFF Approx. 0 V
Any of the conditions below
 Front wiper switch HI
(Wiper intermittent dial position 4)
 Rear wiper switch INT (Wiper intermittent dial position 4)
 Wiper intermittent dial position 3
Approx. 1.0 V
Any of the conditions below
 Wiper intermittent dial position 1
 Wiper intermittent dial position 2 Approx. 1.7 V
Any of the conditions below
 Wiper intermittent dial position 6
 Wiper intermittent dial position 7 Approx. 0.8 V
11 L G Ignition switch
(ACC)
ACC — Battery voltage
32 GY/R Combination
switch output 5 ONLighting, turn,
wiper switch OFF
(Wiper intermittent dial position 4)
Approx. 7.2 V
Any of the conditions below
 Front fog lamp switch (Operates only front fog lamp
switch)
(Wiper intermittent dial position 4)
 Rear wiper switch ON
(Wiper intermittent dial position 4)
 Wiper intermittent dial position 1
 Wiper intermittent dial position 2
 Wiper intermittent dial position 6
 Wiper intermittent dial position 7 Approx. 1.0 V
Te r -
mi-nal
No. Wire
color Signal name Measuring condition
Reference value
Igni-
tion
switch Operation or condition
PKIB4959J
PKIB4952J
PKIB4955J
PKIB4960J
PKIB4956J
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

LT-102
< SERVICE INFORMATION >
COMBINATION SWITCH
33 GCombination
switch output 4 ON
Lighting, turn,
wiper switch OFF
(Wiper intermittent dial position 4)
Approx. 7.2 V
Any of the conditions below
 Lighting switch AUTO (Wiper intermittent dial position 4)
 Lighting switch 1ST (The same result with lighting
switch 2ND)
(Wiper intermittent dial position 4)
 Rear wiper switch INT (Wiper intermittent dial position 4)
 Wiper intermittent dial position 1
 Wiper intermittent dial position 5
 Wiper intermittent dial position 6 Approx. 1.2 V
34 W/B Combination
switch output 3
ONLighting, turn,
wiper switch OFF
(Wiper intermittent dial position 4)
Approx. 7.2 V
Any of the conditions below
 Lighting switch 2ND (Wiper intermittent dial position 4)
 Lighting switch HIGH BEAM (Operates only HIGH BEAM
switch)
(Wiper intermittent dial position 4)
 Rear washer switch
(Wiper intermittent dial position 4)
 Wiper intermittent dial position 1
 Wiper intermittent dial position 2
 Wiper intermittent dial position 3 Approx. 1.2 V
Te r -
mi-nal
No. Wire
color Signal name Measuring condition
Reference value
Igni-
tion
switch Operation or condition
PKIB4960J
PKIB4958J
PKIB4960J
PKIB4958J
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

COMBINATION SWITCHLT-103
< SERVICE INFORMATION >
C
DE
F
G H
I
J
L
M A
B
LT
N
O P
CONSULT-III Functions (BCM)INFOID:0000000001328367
CONSULT-III can display each diagnostic item using the diagnostic test mode shown following.
35 W/GCombination
switch output 2 ONLighting, turn,
wiper switch
(Wiper inter-
mittent dial po-
sition 4) OFF
Approx. 7.2 V
Any of the conditions below
 Lighting switch 2ND
 Lighting switch PASSING (Operates only PASSING switch)
 Front wiper switch INT
 Front wiper switch HI
Approx. 1.2 V
36 W/R Combination
switch output 1 ONLighting, turn,
wiper switch
(Wiper inter-
mittent dial po-
sition 4) OFF
Approx. 7.2 V
Any of the conditions below
 Turn signal switch to right
 Turn signal switch to left
 Front wiper switch MIST
 Front wiper switch LO
 Front washer 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 -
mi-nal
No. Wire
color Signal name Measuring condition
Reference value
Igni-
tion
switch Operation or condition
PKIB4960J
PKIB4958J
PKIB4960J
PKIB4958J
BCM diagnosis part Diagnosis mode Description
COMB SW DATA MONITOR Displays BCM input data in real time.
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

LT-104
< SERVICE INFORMATION >
COMBINATION SWITCH
CONSULT-III BASIC OPERATION
Refer to GI-34, "Description".
DATA MONITOR
Display Item List
NOTE:
This item is displayed, but cannot be monitored
Combination Switch InspectionINFOID:0000000001381755
1.SYSTEM CHECK
Referring to table below, check which sy stem malfunctioning switch belongs to.
>> Check the system to which malfunctioning switch belongs, and then GO TO 2.
2.SYSTEM CHECK
CONSULT-III DATA MONITOR
1. Select “COMBI SW” of BCM data monitor item.
2. Confirm that other switches in malfunctioning system operate normally.
Monitor item Contents
TURN SIGNAL R “ON/OFF” Displays “Turn Ri ght (ON)/Other (OFF)” status, determined from lighting switch signal.
TURN SIGNAL L “ON/OFF” Displays “Turn Le ft (ON)/Other (OFF)” status, determined from lighting switch signal.
HI BEAM SW “ON/OFF” Displays status (high beam switch: ON/Others: OFF) of high beam switch judged from lighting switch
signal.
HEAD LAMP SW 1 “ON/OFF” Displays status (headlamp switch 2: ON/Others:
OFF) of headlamp switch 1 judged from lighting
switch signal.
HEAD LAMP SW 2 “ON/OFF” Displays status (headlamp switch 2: ON/Others:
OFF) of headlamp switch 2 judged from lighting
switch signal.
LIGHT SW 1ST “ON/OFF” Displays status (lighting switch 1ST or 2ND position: ON/Others: OFF) of lighting switch judged from
lighting switch signal.
PASSING SW “ON/OFF” Displays status (flash-to-pass switch: ON/Others: OFF) of flash-to-pass switch judged from lighting
switch signal.
AUTO LIGHT SW “ON/OFF” Displays “Auto light switch (ON)/Other (OFF)” status, determined from lighting switch signal.
FR FOG SW “ON/OFF” Displays “Fro nt fog lamp switch (ON)/Other (OFF)” status, determined from lighting switch signal.
RR FOG SW
NOTE“OFF” —
FR WIPER HI “ON/OFF” Disp lays “Front Wiper HI (ON)/Other (OFF)” stat us, determined from wiper switch signal.
FR WIPER LOW “ON/OFF” Displays “Front Wiper LOW (ON)/Oth er (OFF)” status, determined from wiper switch signal.
FR WIPER INT “ON/OFF” Displays “Front Wiper INT (ON)/Other (OFF)” status, determined from wiper switch signal.
FR WASHER SW “ON/OFF” Displays “Front Washer Switch (ON)/Other (OFF)” status, determined from wiper switch signal.
INT VOLUME “1 – 7” Displays intermittent operation knob setting (1 – 7), determined from wiper switch signal.
RR WIPER ON “ON/OFF” Displays “rear Wiper (ON)/Other (OFF)” status as judged from wiper switch signal.
RR WIPER INT “ON/OFF” Displays “rear Wiper INT (ON)/Other (OFF)” status as judged from wiper switch signal.
RR WASHER SW “ON/OFF” Displays “rear Washer Switch (ON)/Other (OFF)” status as judged from wiper switch signal.
System 1 System 2 System 3 System 4 System 5 — FR WASHER FR WIPER LO TURN LH TURN RH
FR WIPER HI — FR WIPER INT PASSING HEAD LAMP 1
INT VOLUME 1 RR WASHER — HEAD LAMP HI BEAM RR WIPER INT INT VOLUME 3 AUTO LIGHT — LIGHT SW 1
INT VOLUME 2 RR WIPER ON — FR FOG —
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C