Infiniti Q45. Manual - part 670

HEADLAMP (FOR USA)

LT-17

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LT

Work Flow

NKS0017A

1.

Confirm the symptom or customer complaint.

2.

Understand system description. Refer to 

LT-5, "System Description"

 .

3.

Perform the preliminary check. Refer to 

LT-17, "Preliminary Check"

 .

4.

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

LT-22,

"Symptom Chart"

 .

5.

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

6.

INSPECTION END

Preliminary Check

NKS0017B

SETTING CHANGE FUNCTION FOR AUTO LIGHT SYSTEM 

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

SKIA3782E

LT-18

HEADLAMP (FOR USA)

CHECK POWER SUPPLY AND GROUND CIRCUIT

1. 

CHECK FUSE

Check for blown fuses.

Refer to 

LT-9, "Wiring Diagram — H/LAMP —"

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OK or NG

OK

>> GO TO 2.

NG

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

PG-2, "POWER SUPPLY ROUTING"

 .

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.

Unit

Power source

Fuse No.

BCM

Battery

3

Ignition switch ACC or ON

21

Ignition switch ON or START 

1

Terminal

Ignition switch position

(+)

(

−

)

OFF

ACC

ON

Connector

Terminal

M4

105 

Ground

Battery 
voltage

Battery 
voltage

Battery 
voltage

68 

Approx. 0V

Approx. 0V

Battery 
voltage

60

Approx. 0V

Battery 
voltage

Battery 
voltage

PKIA5127E

Terminal

Continuity

Connector

Terminal

Ground

M4

56 

Yes

113

PKIA5128E

HEADLAMP (FOR USA)

LT-19

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LT

CONSULT-II Function (IVMS)

NKS0017C

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CONSULT-II can display each diagnostic item using the diagnostic test mode shown following.

CONSULT-II BASIC OPERATION PROCEDURE

CAUTION:

If CONSULT-II is used with no connection of CONSULT-II CONVERTER, malfunctions might be
detected in self-diagnosis depending on control unit which performs CAN communication. 

1.

With the ignition switch OFF, connect CONSULT-II and CON-
SULT-II CONVERTER to the data link connector, and 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-37, "CONSULT-II Data Link Connector

(DLC) Circuit"

 .

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 number.

PKIB0601E

BCIA0029E

BCIA0030E

LT-20

HEADLAMP (FOR USA)

4.

Select “WITH SUNROOF” on “SELECT SYS COND” screen.

5.

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

6.

Select the desired part to be diagnosed on the
“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” and “MODE 1 - 3” of which setting is to be changed.

6.

Touch “CHANGE SETT”.

7.

Setting will be changed and “CURRENT SETTING STATUS” will be displayed.

8.

Touch “END”.

Display Item List

Refer to 

LT-17, "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 “SELECTION FROM MENU” is selected, touch individual items to be monitored. When “ALL SIG-
NALS” is selected, all the items will be monitored.

6.

Touch “RECORD” while monitoring to record status of the item being monitored. To stop recording, touch
“STOP”.

Data Monitor Item 

PIIA0184E

ALL SIGNALS

Monitors all items.

SELECTION FROM MENU

Selects items and monitors them.

Monitored item

[“OPERATION OR UNIT”]

Contents

IGN ON SW

[ON/OFF]

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

DOOR SW-DR

[ON/OFF]

Displays status of the driver door as judged from the driver door switch 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

[ON/OFF]

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