Infiniti M35/M45 Y50. Manual — part 934

INTERIOR ROOM LAMP

LT-281

C

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LT

How to Perform Trouble Diagnoses

NKS003T5

1.

Confirm the symptom or customer complaint.

2.

Understand operation description and function description. Refer to

LT-266, "System Description"

.

3.

Perform the Preliminary Check. Refer to

LT-282, "Preliminary Check"

.

4.

Check symptom and repair or replace the cause of malfunction.

5.

Does the interior room lamp operate normally? If YES, GO TO 6. If NO, GO TO 4.

6.

INSPECTION END

52

B

Ground

ON

—

Approx. 0 V

55

W

Battery power
supply

OFF

—

Battery voltage

57

SB

Trunk switch
signal

OFF

Trunk room lamp
switch

ON (open)

Approx. 0 V

OFF (close)

Battery voltage

62

V

Front door switch
driver side signal

OFF

Front door switch
driver side

ON (open)

Approx. 0 V

OFF (closed)

Approx. 7.5 - 8.0 V

63

R/G

Rear door switch
LH signal

OFF

Rear door switch LH

ON (open)

Approx. 0 V

OFF (closed)

Approx. 7.5 - 8.0 V

Terminal

No.

Wire

color

Signal name

Measuring condition

Reference value

Ignition

switch

Operation or condition

PKIB4960J

PKIB4960J

LT-282

INTERIOR ROOM LAMP

Preliminary Check

NKS003T6

CHECK POWER SUPPLY AND GROUND CIRCUIT

1.

CHECK FUSES AND FUSIBLE LINK

Check for blown fuses and fusible link.

Refer to

LT-273, "Wiring Diagram — ROOM/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.

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 or fusible link No.

BCM

Battery

F

21

Ignition switch ON or START position

1

Ignition switch ACC or ON position

6

Key slot

Battery

22

Terminal

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

BCM connector

Terminal

Ground

Continuity

M2

52

Yes

SKIB5125E

INTERIOR ROOM LAMP

LT-283

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LT

CONSULT-II Functions (BCM)

NKS003T7

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

CONSULT-II BASIC OPERATION

Refer to

GI-38, "CONSULT-II Start Procedure"

.

WORK SUPPORT (INT LAMP)
Operation Procedure

1.

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

2.

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

3.

Touch “SET I/L D

−

UNLCK INTCON” on “SELECT WORK ITEM” screen.

4.

Touch “START”.

5.

Touch “CHANGE SETT”.

6.

The setting will be changed and “CUSTOMIZING COMPLETED ” will be displayed.

7.

Touch “END”.

Display Item List

NOTE:
Factory setting

BCM diagnosis part

Diagnosis mode

Description

INTERIOR LAMP

WORK SUPPORT

Changes the setting for each function.

DATA MONITOR

Displays BCM input data in real time.

ACTIVE TEST

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

BATTERY SAVER

WORK SUPPORT

Changes the setting for each function.

DATA MONITOR

Displays BCM input data in real time.

ACTIVE TEST

Operation of electrical loads can be checked by sending driving 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.

Item

Description

CONSULT-II

ROOM LAMP TIMER SET

The lighting time can be selected when the interior room lamps are unlocked by
Intelligent Key or any door request switch.

●

Mode 1 (0 sec.)/Mode 2 (7.5 sec.)/Mode 3

NOTE

(15 sec.)/Mode 4 (30 sec.)

MODE 1 – 4

SET I/L D

−

UNLCK INTCON

Room lamp timer operation can be selected.

●

ON

NOTE

(Room lamp timer operates)/OFF (Room lamp timer does not oper-

ates)

ON/OFF

ROOM LAMP ON TIME SET

The time to escalate illumination can be selected when the interior room lamp is
turned on.

●

Mode 1 (0.5 sec.)/Mode 2

NOTE

(1 sec.)/Mode 3 (2 sec.)/Mode 4 (3 sec.)/

Mode 5 (4 sec.)/Mode 6 (5 sec.)/Mode 7 (0 sec.)

MODE 1 – 7

ROOM LAMP OFF TIME SET

The time to diminish illumination can be selected when the interior room lamp is
turned off.

●

Mode 1 (0.5 sec.)/Mode 2 (1 sec.)/Mode 3 (2 sec.)/Mode 4

NOTE

(3 sec.)/

Mode 5 (4 sec.)/Mode 6 (5 sec.)/Mode 7 (0 sec.)

MODE 1 – 7

R LAMP TIMER LOGIC SET

The lighting condition of room lamp timer can be selected when the door is
opened/closed.

●

Mode 1

NOTE

(Connected with all doors)/Mode 2 (Connected with driver door

only)

MODE 1 – 2

ROOM LAMP ON AT LOCK

The connected operation with room lamp timer can be selected when engine
switch (push switch) is turned OFF.

●

ON

NOTE

(Connected with room lamp timer operation) /OFF (Disconnected with

room lamp operation)

ON/OFF

LT-284

INTERIOR ROOM LAMP

DATA MONITOR (INT LAMP)
Operation Procedure

1.

Touch “INT 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 “SELECT MONITOR ITEM” screen.

4.

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

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

ALL SIGNALS

Monitors all the signals.

SELECTION FROM MENU

Selects items and monitor them.

Monitor item

Contents

IGN ON SW

“ON/OFF”

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

ACC ON SW

“ON/OFF”

Displays “IGN ACC, ON position (ON)/OFF position (OFF)” status judged from the key
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.

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 “door open (ON)/door closed (OFF)” status, determined from passenger door
switch signal.

DOOR SW - RR

“ON/OFF”

Displays “door open (ON)/door closed (OFF)” status, determined from rear door switch RH
signal.

DOOR SW - RL

“ON/OFF”

Displays “door open (ON)/door closed (OFF) ” status, determined from rear door switch LH
signal.

BACK DOOR SW

NOTE

“OFF”

—

CDL LOCK SW

“ON/OFF”

Displays “door locked (ON)/other (OFF) status, determined from central door lock switch
LOCK signal.

CDL UNLOCK SW

“ON/OFF”

Displays “door unlocked (ON)/other (OFF)” status, determined from central door lock switch
UNLOCK signal.

KEY CYL LK - SW

“ON/OFF”

Displays ”door locked (ON)” status, determined from key cylinder switch in driver door.

KEY CYL UN - SW

“ON/OFF”

Displays “door unlocked (OFF)” status, determined from key cylinder switch in driver door.

I - KEY LOCK

“ON/OFF”

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

I - KEY UNLOCK

“ON/OFF”

Displays “unlocked (ON)/other (OFF)” status, determined from unlock signal.

TRNK/HAT MNTR

“ON/OFF”

Displays “trunk open (ON)/trunk close (OFF)” status, determined from trunk room lamp
switch.

I - KEY DR UNLK

“ON/OFF”

Displays “ON” when only driver door is unlocked or “OFF” other cases by intelligent Key or
any door request switch, determined from unlock signal.

I - KEY AS UNLK

“ON/OFF”

Displays “unlocked (ON)/locked (OFF)” states of passenger door by passenger side door
request switch, determined from unlock signal.