Infiniti F50. Manual — part 656

INTERIOR ROOM LAMP

LT-91

C

D

E

F

G

H

I

J

L

M

A

B

LT

TKWM0349E

LT-92

INTERIOR ROOM LAMP

Terminals and Reference Value for BCM

EKS00174

Terminal

No.

Wire

color

Signal description

Measuring condition

Voltage

(Approximate values)

Ignition

switch

Operation or condition

17

BR/Y

Data link RX

—

—

—

18

P

Data link TX

—

—

—

30

PU

Communication signal TX
(BCM-AV: Transmission)

—

—

—

31

LG

Communication signal RX
(AV-BCM: Receiving)

—

—

—

33

W

Rear LH door switch signal

OFF

Rear LH door switch

ON (open)

Less than 1V

OFF (closed)

Battery voltage

37

W/G

Passenger door switch signal

OFF

Passenger door switch

ON (open)

Less than 1V

OFF (closed)

Battery voltage

56

B

Ground

—

—

—

60

L/OR

ACC power supply

ACC

—

Battery voltage

67

G/W

LAN communication

—

—

—

68

W/B

IGN power supply

ON

—

Battery voltage

69

PU/W

Key switch and key lock solenoid
signal

OFF

Key withdrawn (OFF)

Less than 1V

Key inserted (ON)

Battery voltage

105

Y/L

BAT power supply

OFF

—

Battery voltage

110

SB

Ignition switch illumination signal

OFF

Turned OFF

Battery voltage

Turned ON

Less than 1V

113

B

Ground

—

—

—

129

G

Personal lamp switch signal

OFF

Personal lamp switch

One switch ON

5V

AUTO

5V

Both switch ON

Less than 1V

130

W/L

Interior lamp ill switch ON signal

OFF

Interior lamp ill switch

ON

Less than 1V

AUTO

5V

OFF

5V

131

G/Y

Interior lamp ill switch OFF sig-
nal

OFF

Interior lamp ill switch

ON

5V

AUTO

5V

OFF

Less than 1V

133

Y/R

Map lamp LH signal

OFF

Turned OFF

Battery voltage

Dimming

8V

Turned ON

Less than 1V

137

OR

Personal lamp RH signal

OFF

Turned OFF

Battery voltage

Dimming

8V

Turned ON

Less than 1V

138

G/R

Personal lamp LH signal

OFF

Turned OFF

Battery voltage

Dimming

8V

Turned ON

Less than 1V

140

Y/B

Map lamp RH signal

OFF

Turned OFF

Battery voltage

Dimming

8V

Turned ON

Less than 1V

INTERIOR ROOM LAMP

LT-93

C

D

E

F

G

H

I

J

L

M

A

B

LT

Terminals and Reference Value for Driver Door Control Unit (LCU01)

EKS000X0

Work Flow

EKS000X1

1.

Confirm the symptom or customer complaint.

2.

Understand system description. Refer to

LT-81, "System Description"

.

3.

Perform the preliminary check. Refer to

LT-93, "Preliminary Check"

.

4.

Does the door lock system operate normally? When yes, go to step 5. When no, go to Power door lock
system

BL-43, "Symptom Chart"

in “BODY LOCK & SECURITY SYSTEM (BL)” section.

5.

Find the cause of trouble following the trouble diagnosis chart by symptom and repair or replace as neces-
sary. Refer to

LT-99, "Symptom Chart"

.

6.

Does the total coordinated interior illumination operate normally? When yes, go to step 7. When no, go to
step 5.

7.

Inspection end.

Preliminary Check

EKS000X2

SETTING CHANGE FUNCTION

●

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

CAUTION:

After the setting is changed, the new setting will be maintained even if the battery is disconnected.

142

W/R

Driver door switch signal

OFF

Driver door switch

ON (open)

Less than 1V

OFF (closed)

Battery voltage

143

W/L

Rear RH door switch signal

OFF

Rear RH door switch

ON (open)

Less than 1V

OFF (closed)

Battery voltage

Terminal

No.

Wire

color

Signal description

Measuring condition

Voltage

(Approximate values)

Ignition

switch

Operation or condition

Terminal

No.

Wire

color

Item

Condition

Voltage

(Approximate values)

6

G/Y

Door unlock sensor

OFF (Locked)

→

ON (unlocked)

5V

→

0V

8

G/W

Data line A-3

—

—

14

Y/G

Power source (PTC)

—

Battery voltage

15

B

Ground

—

0V

Item

Description

CONSULT-II

(Work support)

Display unit

(Setting of various vehicle

conditions)

Factory

setting

SET I/L LGC-D- UNLCK (CONSULT-II)
Illuminate Interior When Unlocking
Vehicle (display unit)

Selects ON-OFF of the
interior lamp illumination
at the time the driver
door is unlocked.

ON

ON: Indicator ON

×

OFF

OFF: indicator OFF

—

SET INT- L LOGIC-TIM (CONSULT-II)
Interior Lights Off Delay (display unit)

Selects interior lamp
timer set time in four
steps.

Mode 1 (off)

OFF: Display OFF

—

Mode 2 (15 seconds)

15 seconds: Display 15 sec.

—

Normal (30 seconds)

30 seconds: Display 30 sec.

×

Mode 3 (45 seconds)

45 seconds: Display 45 sec.

—

LT-94

INTERIOR ROOM LAMP

INSPECTION FOR POWER 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 fuse is blown, be sure to eliminate cause of malfunction before installing new fuse.

2.

CHECK POWER SUPPLY CIRCUIT

1.

Disconnect the BCM connector and driver door LCU connector.

2.

Check voltage between the following harness connector termi-
nals and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Check harness for open or short between BCM or driver

door LCU and fuse.

Unit

Power source

Terminal

Fuse No.

BCM

Battery power supply

105

3

ACC power supply

60

21

IGN power supply

68

1

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

Driver door
LCU (D8)

14 (Y/G)

Battery power

supply

Ignition

switch OFF

Battery
voltage

SKIA3930E