Infiniti FX35 / FX45. Manual - part 798

TURN SIGNAL AND HAZARD WARNING LAMPS

LT-87

< SERVICE INFORMATION >

C

D

E

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

8

Y

Rear combination lamp RH 
ground

ON

—

Approx. 0 V

9

LG

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

Termi-

nal 

No.

Wire 

color

Signal name

Measuring condition

Reference value

Ignition 

switch

Operation or condition

PKIC6370E

PKIC9669E

PKIC9670E

PKIC9671E

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 replace the cause of malfunction.

5.

Do turn signal and hazard warning lamps operate normally? If YES, GO TO 6. If NO, GO TO 4.

6.

INSPECTION END

Preliminary Check

INFOID:0000000001328352

CHECK POWER SUPPLY AND GROUND CIRCUIT

1.

CHECK FUSES

Check for blown fuses.

Refer to 

LT-82, "Wiring Diagram - TURN -"

.

OK or NG

OK

>> GO TO 2.

NG

>> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse. Refer to 

PG-

3

.

11

W

Rear 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

Termi-

nal 

No.

Wire 

color

Signal name

Measuring condition

Reference value

Ignition 

switch

Operation or condition

PKIC9670E

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

TURN SIGNAL AND HAZARD WARNING LAMPS

LT-89

< SERVICE INFORMATION >

C

D

E

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

Terminal

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

Ground

Continuity

M4

49

Yes

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 position (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 right (ON)/Other (OFF)” status, determined from lighting switch signal.

LT-90

< SERVICE INFORMATION >

TURN SIGNAL AND HAZARD WARNING LAMPS

ACTIVE TEST

Display Item List

Turn Signal Lamp Does Not Operate

INFOID: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 (OFF)” 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.