Infiniti G35 (V35). Manual - part 594

LT-56

AUTO LIGHT SYSTEM

TKWM3454E

AUTO LIGHT SYSTEM

LT-57

C

D

E

F

G

H

I

J

L

M

A

B

LT

Terminals and Reference Values for BCM

NKS000H5

CAUTION:

●

Check combination switch system terminal waveform under the loaded condition with lighting
switch, turn signal switch and wiper switch OFF not to be fluctuated by overloaded.

●

Turn wiper dial position to 4 except when checking waveform or voltage of wiper dial position.
Wiper dial position can be confirmed on CONSULT-II. Refer to 

LT-17, "DATA MONITOR"

 .

Termi-

nal No.

Wire 

color

Signal name

Measuring condition

Reference value

Ignition 

switch

Operation or condition

4

W/L

Combination switch input 3

ON

Lighting, turn, 
wiper switch
(Wiper intermit-
tent dial position 
4)

OFF

Approx. 0 V

Lighting switch 
AUTO

Approx. 1.0 V

11

LG

Ignition switch (ACC)

ACC

—

Battery voltage

12

P

Front door switch passenger 
side signal

OFF

Front door switch 
passenger side 

ON (open)

Approx. 0 V

OFF (closed)

Battery voltage

14

Y/PU

Optical sensor signal

ON

When optical sensor is illuminated

3.1 V or more 

Note

When optical sensor is not illumi-
nated

0.6 V or less

17

P

Optical sensor power supply

ON

—

Approx. 5 V

18

B

Sensor ground

ON

—

Approx. 0 V

33

L

Combination switch output 4

ON

Lighting, turn, 
wiper switch 
(Wiper intermit-
tent dial position 
4)

OFF

Approx. 7.2 V

Lighting switch 
AUTO

Approx. 1.2 V

38

W/L

Ignition switch (ON) 

ON

—

Battery voltage

39

L

CAN - H

—

—

—

40

P

CAN - L

—

—

—

42

GY

Battery power supply

OFF

—

Battery voltage

52

B

Ground

ON

—

Approx. 0 V

55

W/R

Battery power supply

OFF

—

Battery voltage

62

Y

Front door switch driver side 
signal

OFF

Front door switch 
driver side 

ON (open)

Approx. 0 V

OFF (closed)

Battery voltage

PKIB4959J

PKIB4960J

PKIB4958J

LT-58

AUTO LIGHT SYSTEM

NOTE:
Optical sensor must be securely subjected to work lamp light. If the optical sensor is insufficiently illuminated, the measured value may
not satisfy standard.

Terminals and Reference Values for IPDM E/R

NKS000H6

How to Proceed With Trouble Diagnosis

NKS000H7

1.

Confirm the symptom or customer complaint.

2.

Understand operation description and function description. Refer to 

LT-51, "System Description"

 .

3.

Perform the preliminary check. Refer to 

LT-59, "Preliminary Check"

 .

4.

Check symptom and repair or replace the cause of malfunction. Refer to 

LT-60, "Symptom Chart"

 .

5.

Does the auto light system operate normally? If YES, GO TO 6. If NO, GO TO 4.

6.

INSPECTION END

Terminal 

No.

Wire 

color

Signal name

Measuring condition

Reference value

Ignition 

switch

Operation or condition

20 

R

Headlamp HIGH & LOW (RH)

ON

Lighting switch 2ND 
position

OFF

Approx. 0 V

ON

Battery voltage

22

R/L

Parking, license plate, side 
marker and tail lamps

ON

Lighting switch 1ST 
position

OFF

Approx. 0 V

ON

Battery voltage

27

BR

Headlamp high beam solenoid 
(RH)

ON

Lighting switch 
HIGH BEAM or 
PASSING position

OFF

Approx. 0 V

ON

Battery voltage

28 R/Y

Headlamp high beam solenoid 
(LH)

ON

Lighting switch 
HIGH BEAM or 
PASSING position

OFF

Approx. 0 V

ON

Battery voltage

30 

R/B

Headlamp HIGH & LOW (LH)

ON

Lighting switch 2ND 
position

OFF

Approx. 0 V

ON

Battery voltage

38

B/R

Ground

ON

—

Approx. 0 V

48

L

CAN - H

—

—

—

49

P

CAN - L

—

—

—

60

B/R

Ground

ON

—

Approx. 0 V

AUTO LIGHT SYSTEM

LT-59

C

D

E

F

G

H

I

J

L

M

A

B

LT

Preliminary Check

NKS000H8

SETTING CHANGE FUNCTIONS

Sensitivity of auto light system can be adjusted using CONSULT-II. Refer to 

LT-16, "WORK SUPPORT"

 .

CHECK POWER SUPPLY AND GROUND CIRCUIT

1. 

CHECK FUSES AND FUSIBLE LINK

Check for blown fuses and fusible link.

Refer to 

LT-54, "Wiring Diagram — AUTO/L —"

 .

OK or NG

OK

>> GO TO 2.

NG

>> If fuse or fusible link is blown, be sure to eliminate cause of malfunction before installing new fuse

or fusible link. Refer to 

PG-3, "POWER SUPPLY ROUTING CIRCUIT"

 .

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.

Unit

Power source

Fuse and fusible link No.

BCM

Battery

F

18

Ignition switch ON or START position

1

Ignition switch ACC or ON position

6

IPDM E/R

Battery

71

72

74

76

86

(+)

(

−

)

Ignition switch position

OFF

ACC

ON

BCM

connector

Terminal 

M1

11

Ground

Approx. 0 V

Battery 
voltage

Battery 
voltage

38 

Approx. 0 V

Approx. 0 V

Battery 
voltage

M2

42

Battery 
voltage

Battery 
voltage

Battery 
voltage

55

Battery 
voltage

Battery 
voltage

Battery 
voltage

PKIA5204E