Infiniti M45 (Y34). Manual - part 628

HEADLAMP (FOR USA)

LT-19

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LT

Preliminary Check

AKS002F3

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. 

CHECK FUSE

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

Refer to 

LT-11, "Wiring Diagram — H/LAMP —"

 .

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-

2, "POWER SUPPLY ROUTING"

 .

SKIA3782E

Unit

Power source

Fuse No.

BCM

Battery

3

Ignition switch ACC or ON position

21

Ignition switch ON or START position

1

LT-20

HEADLAMP (FOR USA)

2. 

 CHECK BCM POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect BCM connector.

3.

Check voltage between BCM harness connector M4 terminals
and ground.

OK or NG

OK

>> GO TO 3.

NG

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

3. 

CHECK BCM GROUND CIRCUIT 

1.

Turn ignition switch OFF.

2.

Check continuity between BCM harness connector M4 terminals
56 (B), 113 (B) and ground.

OK or NG

OK

>> INSPECTION END

NG

>> Repair harness.

CONSULT-II Function for Auto Light System

AKS002F4

●

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.

Terminals

Ignition switch position

(+)

(-)

OFF

ACC

ON

Connector

Terminal 

(Wire color)

M4

105 (Y/L)

Ground

Battery 
voltage

Battery 
voltage

Battery 
voltage

68 (W/B)

0V

0V

Battery 
voltage

60 (L/OR)

0V

Battery 
voltage

Battery 
voltage

PKIA5127E

Terminals

Continuity

Connector

Terminal (Wire color)

Ground

M4

56 (B)

Yes

113 (B)

PKIA5128E

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.

HEADLAMP (FOR USA)

LT-21

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LT

CONSULT-II BASIC OPERATION PROCEDURE

1.

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

2.

Touch “START(NISSAN BASED VHCL)”.

3.

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

6.

Select the desired part to be diagnosed on
“SELECT TEST ITEM” screen.

WORK SUPPORT
Operation Procedure

1.

Touch “AUTO LIGHT SYSTEM” on “SELECT TEST ITEM” screen.

2.

Touch “WORK SUPPORT” on “SELECT DIAG MODE” screen.

3.

Touch “AUTO LIGHT SENS ADJ” on “SELECT WORK ITEM” screen.

4.

Touch “START”.

5.

Touch “NORMAL”·“MODE 1 - 3” of which setting is to be changed.

6.

Touch “CHANGE SETT”.

7.

The setting will be changed and “CURRENT SETTING STATUS” will be displayed.

PKIA5840E

SKIA3098E

SKIA3783E

PIIA0184E

LT-22

HEADLAMP (FOR USA)

8.

Touch “END”.

Display Item List

Refer to 

LT-19, "SETTING CHANGE FUNCTION FOR AUTO LIGHT SYSTEM"

 .

DATA MONITOR
Operation Procedure

1.

Touch “AUTO LIGHT SYSTEM” on “SELECT TEST ITEM” screen.

2.

Touch “DATA MONITOR” on “SELECT DIAG MODE” screen.

3.

Touch “ALL SIGNALS” or “SELECTION FROM MENU” on “SELECT MONITOR ITEM” screen.

4.

Touch “START”.

5.

When selected “SELECTION FROM MENU”, touch items to be monitored. When “ALL SIGNALS” is
selected all items will be monitored.

6.

Touch “RECORD” while monitoring and status of the item being monitored can be recorded. To stop
recording, touch “STOP”.

Data Monitor Item 

ACTIVE TEST
Operation Procedure

1.

Touch “AUTO LIGHT SYSTEM” on “SELECT TEST ITEM” screen.

2.

Touch “ACTIVE TEST” on “SELECT DIAG MODE” screen.

3.

Touch item to be tested and check operation of the selected item.

4.

Touch “STOP” while testing and the operation will be stopped.

Active Test Item 

On Board Diagnosis

AKS002F5

BCM can check malfunction in each local control unit (LCU), switches, loads and communications using the
self-diagnosis function.

DIAGNOSIS ITEM

MAIN SIGNALS

Monitors the main items.

SELECTION FROM MENU

Selects and monitors the items.

Monitored item

[“OPERATION OR UNIT”]

Description

IGN ON SW

[ON/OFF]

Displays status of the ignition switch as judged from the ignition switch signal. 
(Key is in ON position: ON/Key is in ACC or OFF position: OFF)

DOOR SW-DR

[ON/OFF]

Displays status of the driver door as judged from the front door switch (driver side) signal. 
(Door is open: ON/Door is closed: OFF)

AUTO LIGHT SW

[ON/OFF]

Displays status of the lighting switch as judged from the lighting switch signal. 
(AUTO position: ON/Other than AUTO position: OFF)

HD/LMP 1ST SW

[ON/OFF]

Displays status of the lighting switch as judged from the lighting switch signal. 
(OFF or AUTO position: OFF/Other than OFF and AUTO position: ON)

OPTICAL SEN

[0-5V]

Displays “ambient light (close to 5V when light/close to 0V when dark)” as judged from the optical 
sensor signal.

Test items

Display on 

CONSULT–II screen

Description

Headlamp relay output

HEAD LAMP RELAY

Headlamp relay can be operated by any on-off operation of the headlamp.

Tail lamp relay output

TAIL LAMP RELAY

Tail lamp relay can be operated by any on-off operation of the tail lamp.

Auto light adjustment output

ILL DIM SIGNAL

Night time dimming signal can be operated by any on-off operation.

Diagnosis item

Description

Switch monitor

Checks for malfunction in switch systems that input to BCM and each LCU.