Infiniti F50. Manual — part 638

HEADLAMP (FOR USA)

LT-19

C

D

E

F

G

H

I

J

L

M

A

B

LT

135

Y/G

RAP output signal

OFF

When headlamp battery saver timer is
operated.

Less than 1V

142

W/R

Driver door switch signal

OFF

Driver door
switch

ON (open)

Less than 1V

OFF (close)

Battery voltage

Terminal

NO.

Wire

color

Item

Measuring condition

Reference value

(Approximate values)

Ignition

switch

Operation or condition

LT-20

HEADLAMP (FOR USA)

Work Flow

EKS0014U

1.

Confirm the symptom or customer complaint.

2.

Understand system description. Refer to

LT-6, "System Description"

.

3.

Perform the preliminary check. Refer to

LT-20, "Preliminary Check"

.

4.

Find the cause of trouble following the symptom chart and repair or replace as necessary. Refer to

LT-25,

"Symptom Chart"

.

5.

Does the auto light system operate normally? When yes, go to step 6. When no, go to step 4.

6.

Inspection end.

Preliminary Check

EKS0014V

SETTING CHANGE FUNCTION FOR AUTO LIGHT SYSTEM

●

Setting for each operation can be changed using CONSULT-II and a display unit.

INSPECTION FOR POWER SUPPLY AND GROUND CIRCUIT

1.

FUSE CHECK

Check if any of the following fuses in BCM are blown.

Refer to

PG-2, "POWER SUPPLY ROUTING"

.

OK or NG

OK

>> GO TO 2.

NG

>> If the fuse is brown be sure to eliminate cause of incident before installing new fuse.

SKIA3782E

Unit

Power source

Terminal

Fuse No.

BCM

BAT power supply

105

3

ACC power supply

60

21

IGN power supply

68

1

HEADLAMP (FOR USA)

LT-21

C

D

E

F

G

H

I

J

L

M

A

B

LT

2.

POWER SUPPLY CIRCUIT CHECK

1.

Disconnect the BCM connector.

2.

Check voltage between BCM and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Check harness for open or short between BCM and fuse.

3.

GROUND CIRCUIT CHECK

Check continuity between BCM harness connector M4 terminals 56,
113 and body ground.

OK or NG

OK

>> Inspection end.

NG

>> Repair or replace harness.

Unit

Terminals

(wire color)

Power

source

condition

Voltage

Connector

(+)

(–)

BCM

(M4)

105 (Y/L)

Body

ground

Battery

power

supply

Ignition

switch

OFF

Battery
voltage

68 (W/B)

IGN

power

supply

Ignition

switch

ON

Battery
voltage

60 (L/OR)

ACC

power

supply

Ignition

switch

ACC

Battery
voltage

SKIA3939E

Unit

Terminal

(wire color)

Signal

Ignition

switch

Continuity

Connec-

tor

(+)

(–)

BCM(M4)

56 (B)

Body

ground

Ground

Ignition

switch

OFF

Continuity

should exist

113(B)

Body

ground

Ground

Ignition

switch

OFF

Continuity

should exist

PIIA0170E

LT-22

HEADLAMP (FOR USA)

CONSULT-II Function for Auto Light System

EKS000VO

●

CONSULT-II has the display function for the work support, data monitor and active test for each part by
combining data receiving and sending via the communication line from the BCM.

CONSULT-II BASIC OPERATION PROCEDURE

1.

With the ignition switch OFF, connect “CONSULT-II” and “CON-
SULT-II CONVERTER” to the data link connector, then turn igni-
tion switch ON.

2.

Touch “START(NISSAN BASED VHCL)”.

3.

Touch “IVMS” on “SELECT SYSTEM” screen. If “IVMS” is not
indicated, go to

GI-38, "CONSULT-II Data Link Connector (DLC)

Circuit"

.

4.

Check the model specification, touch either “WITH SUNROOF”
or “WITHOUT SUNROOF”.

5.

Touch “OK”. If the selection is wrong, touch “CANCEL”.

IVMS diagnosis position

Diagnosis mode

Description

auto light system

Work support

Changes setting of each function.

Data monitor

Displays input data of the BCM and each LCU in real-time.

Active test

Operation of electrical loads can be checked by sending driving signal to them.

BCM part number

Displays BCM part No.

SHIA0179E

SKIA3098E

SKIA3783E

PIIA0184E