Infiniti M35/M45 Y50. Manual - part 878

HEADLAMP (FOR USA) - XENON TYPE -

LT-57

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3. 

CHECK GROUND CIRCUIT

Check continuity between BCM harness connector and ground.

OK or NG

OK

>> INSPECTION END

NG

>> Repair harness or connector.

CONSULT-II Functions (BCM)

NKS003OU

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

NOTE:
Cannot change the setting for headlamp.

CONSULT-II BASIC OPERATION

Refer to 

GI-38, "CONSULT-II Start Procedure"

 .

DATA MONITOR
Operation Procedure

1.

Touch “HEAD LAMP” on “SELECT TEST ITEM” screen.

2.

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

3.

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

4.

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

5.

Touch “START”.

6.

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

Display Item List

BCM connector

Terminal

Ground

Continuity

M2

52

Yes

SKIB5125E

BCM diagnosis part

Diagnosis mode

Description

HEADLAMP

WORK SUPPORT

Changes the setting for each function.

NOTE

DATA MONITOR

Displays BCM input data in real time.

ACTIVE TEST

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

BCM

SELF-DIAG RESULTS

BCM performs self-diagnosis of CAN communication.

CAN DIAG SUPPORT MNTR

The result of transmit/receive diagnosis of CAN communication can be read.

ALL SIGNALS

Monitors all the signals.

SELECTION FROM MENU

Selects items and monitor them.

Monitor item

Contents

IGN ON SW

“ON/OFF”

Displays “IGN position (ON)/OFF, ACC position (OFF)” judged from the ignition switch signal.

ACC ON SW

“ON/OFF”

Displays “ACC (ON)/OFF, Ignition OFF (OFF)” status judged from ignition switch signal.

KEY ON SW

“ON/OFF”

Displays “Intelligent Key inserted into key slot (ON)/Intelligent Key removed from key slot 
(OFF)” status judged from the key switch signal.

TURN SIGNAL R

“ON/OFF”

Displays status (turn right: ON/others: OFF) as judged from lighting switch signal.

TURN SIGNAL L

“ON/OFF”

Displays status (turn left: ON/others: OFF) as judged from lighting switch signal.

HI BEAM SW

“ON/OFF”

Displays status (high beam switch: ON/others: OFF) of high beam switch judged from lighting 
switch signal.

LT-58

HEADLAMP (FOR USA) - XENON TYPE -

NOTE:
This item is displayed, but cannot be monitored.

ACTIVE TEST
Operation Procedure

1.

Touch “HEAD LAMP” 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.

During the operation check, touching “BACK” deactivates the operation.

Display Item List

NOTE:
This item is displayed, but cannot be tested.

HEAD LAMP SW 1

“ON/OFF”

Displays status (headlamp switch 1: ON/others: OFF) of headlamp switch 1 judged from light-
ing switch signal. 

HEAD LAMP SW 2

“ON/OFF”

Displays status (headlamp switch 2: ON/others: OFF) of headlamp switch 2 judged from light-
ing switch signal.

TAIL LAMP SW

“ON/OFF”

Displays status (lighting switch 1ST or 2ND position: ON/others: OFF) of lighting switch 
judged from lighting switch signal.

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)

PASSING SW

“ON/OFF”

Displays status (flash-to-passing switch: ON/others: OFF) of flash-to-passing switch judged 
from lighting switch signal.

FR FOG SW

“ON/OFF”

Displays status (front fog lamp switch: ON/others: OFF) of front fog lamp switch judged from 
lighting switch signal.

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)

DOOR SW - AS

“ON/OFF”

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

DOOR SW - RR

“ON/OFF”

Displays status of the rear door as judged from the rear door switch (RH) signal. (door is 
open: ON/door is closed: OFF)

DOOR SW - RL

“ON/OFF”

Displays status of the rear door as judged from the rear door switch (LH) signal. (door is open: 
ON/door is closed: OFF)

BACK DOOR SW 

NOTE 

“OFF”

—

I - KEY LOCK

“ON/OFF”

Displays “locked (ON)/other (OFF)” status, determined from lock signal.

OPTICAL SENSOR

 “0 - 5V” 

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

VEHICLE SPEED

“km/h”

Displays vehicle speed as judged from vehicle speed signal.

Monitor item

Contents

Test item

Description

TAIL LAMP

Allows tail lamp relay to operate by switching ON-OFF.

FR FOG LAMP

Allows front fog lamp relay to operate by switching ON-OFF.

DAYTIME RUNNING LIGHT

NOTE

—

HEAD LAMP (HI, LO)

Allows headlamp relay to operate by switching ON-OFF.

HEADLAMP (FOR USA) - XENON TYPE -

LT-59

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CONSULT-II Functions (IPDM E/R)

NKS003OV

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

CONSULT-II BASIC OPERATION

Refer to 

GI-38, "CONSULT-II Start Procedure"

 .

DATA MONITOR
Operation Procedure

1.

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

2.

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

3.

When “SELECTION FROM MENU” is selected, touch individual items to be monitored. In “ALL SIG-
NALS”, all items are monitored. In “MAIN SIGNALS”, predetermined items are monitored.

4.

Touch “START”.

5.

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

All Signals, Main Signals, Selection From Menu

NOTE:
Perform monitoring of IPDM E/R data with the ignition switch ON. When the ignition switch is at ACC, the display may not be correct.

ACTIVE TEST
Operation Procedure

1.

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

2.

Touch item to be tested, and check operation.

3.

Touch “START”.

4.

Touch “STOP” while testing to stop the operation.

Diagnosis Mode

Description

SELF-DIAGNOSTIC RESULTS

Refer to 

PG-20, "SELF-DIAG RESULTS"

 .

DATA MONITOR

The input/output data of IPDM E/R is displayed in real time.

CAN DIAG SUPPORT MNTR

The result of transmit/receive diagnosis of CAN communication can be read.

ACTIVE TEST

IPDM E/R sends a drive signal to electronic components to check their operation.

ALL SIGNALS

Monitors all items.

MAIN SIGNALS

Monitor the predetermined item.

SELECTION FROM MENU

Selects items and monitors them.

Item name

CONSULT-II 

screen display

Display 

or unit

Monitor item selection

Description

ALL

SIGNALS

MAIN 

SIGNALS

SELECTION 

FROM MENU

Position lights request

TAIL&CLR REQ

ON/OFF

×

×

×

Signal status input from BCM

Headlamp low beam request

HL LO REQ

ON/OFF

×

×

×

Signal status input from BCM

Headlamp high beam request

HL HI REQ

ON/OFF

×

×

×

Signal status input from BCM

Front fog lights request

FR FOG REQ

ON/OFF

×

×

×

Signal status input from BCM

Test item

CONSULT-II 

screen display

Description

Tail lamp relay output

TAIL LAMP

Allows tail lamp relay to operate by switching operation ON-OFF at your option.

Headlamp relay (HI, LO) output

LAMPS

Allows headlamp relay (HI, LO) to operate by switching operation (OFF, HI ON, LO 
ON) at your option (Headlamp high beam repeats ON-OFF every 1 second).

Front fog lamp relay output

Allows fog lamp relay to operate by switching operation ON-OFF at your option.

LT-60

HEADLAMP (FOR USA) - XENON TYPE -

Headlamp High Beam Does Not Illuminate (Both Sides)

NKS003OW

1. 

CHECK COMBINATION SWITCH INPUT SIGNAL

With CONSULT-II

1.

Select “BCM” on CONSULT-II. Select “HEAD LAMP” on
“SELECT TEST ITEM” screen. 

2.

Select “DATA MONITOR” on “SELECT DIAG MODE” screen.
Make sure that “HI BEAM SW” turns ON-OFF linked with opera-
tion of lighting switch.

Without CONSULT-II

Refer to 

LT-239, "Combination Switch Inspection"

 .

OK or NG

OK

>> GO TO 2.

NG

>> Check combination switch (lighting switch). Refer to 

LT-239, "Combination Switch Inspection"

 .

2. 

HEADLAMP ACTIVE TEST

With CONSULT-II

1.

Select “IPDM E/R” on CONSULT-II. Select “ACTIVE TEST” on
“SELECT DIAG MODE” screen.

2.

Select “LAMPS” on “SELECT TEST ITEM” screen. 

3.

Touch “HI” screen.

4.

Make sure headlamp high beam operation.

Without CONSULT-II

1.

Start auto active test. Refer to 

PG-23, "Auto Active Test"

 .

2.

Make sure headlamp high beam operation.

OK or NG

OK

>> GO TO 3.

NG

>> GO TO 4.

3. 

CHECK IPDM E/R

1.

Select “IPDM E/R” on CONSULT-II. Select “DATA MONITOR”
on “SELECT DIAG MODE” screen.

2.

Make sure “HL LO REQ” and “HL HI REQ” turns ON when light-
ing switch is in HI position.

OK or NG

OK

>> Replace IPDM E/R. Refer to 

PG-31, "Removal and

Installation of IPDM E/R"

 .

NG

>> Replace BCM. Refer to 

BCS-15, "Removal and Installa-

tion of BCM"

 .

When lighting switch is 
HIGH position

: HI BEAM SW ON

PKIA7585E

Headlamp high beam should operate 
(Headlamp high beam repeats ON–OFF every 1 second).

Headlamp high beam should operate.

SKIA5774E

When lighting switch is 
HIGH position

: HL LO REQ ON
: HL HI REQ ON

PKIA7638E