Infiniti FX35, FX50 (S51). Manual - part 1227

INL-108

< ECU DIAGNOSIS INFORMATION >

TOTAL ILLUMINATION CONTROL UNIT

16

(GR)

Ground

Foot lamp (RH)

Output

Foot lamp OFF

12 V

Any door open (Ignition switch OFF)

2.4 V

Ignition switch ON (Tail lamps OFF)

10.8 V

17

(LG)

Ground

Each illumination 
(Linked with hospital-
ity lighting)

Output

Ignition switch OFF

12 V

Tail lamp ON

NOTE:
Illumination control brightness 
level is midway

18

(L)

Ground

Map lamp (Driver 
side)

Output

Map lamp main switch OFF

12 V

Any door open and driver door close (Map lamp 
main switch DOOR)

8.4 V

Driver door open (Map lamp main switch 
DOOR)

1.2 V

Map lamp main switch ALL ON

0 V

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

Signal name

Input/ 

Output

+

–

JPLIA1192ZZ

JPLIA1193ZZ

JPLIA1194ZZ

JPLIA1190ZZ

JPLIA1191ZZ

TOTAL ILLUMINATION CONTROL UNIT

INL-109

< ECU DIAGNOSIS INFORMATION >

C

D

E

F

G

H

I

J

K

M

A

B

INL

N

O

P

19

(R)

Ground

Engine switch illumi-
nation

Output

Engine switch illumination OFF

12 V

While engine switch illumination heart beat 
function

Engine switch illumination ON (Tail lamp OFF)

0 V

20

(Y)

Ground

Ambience lamp 
(Center console indi-
rect illumination)

Output

Center console indirect illumination (ambience 
lamp) OFF

12 V

Ignition switch ON (Tail lamp OFF)

10.8 V

Map lamp main switch ALL ON

0 V

21

(R)

Ground

Battery power supply

Input

Ignition switch OFF

Battery voltage

23

(B)

Ground

Ground

—

Ignition switch ON

0 V

24

(O)

Ground

Illumination control 
signal

Input

Tail lamp OFF

5 V

Tail lamp ON

Illumination control bright-
ness level is minimum

8 V

Illumination control bright-
ness level is midway

Illumination control bright-
ness level is maximum

0 V

25

(BR)

Ground

Rear RH door switch

Input

Rear RH door 
switch

OFF (Door close)

8.5 - 9.0 V

ON (Door open)

0 V

26

(BR)

Ground

Map lamp switch 
(DOOR)

Input

Map lamp main 
switch

OFF or ALL ON

5 V

DOOR

0 V

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

Signal name

Input/ 

Output

+

–

JPLIA1195ZZ

JPLIA1196ZZ

JPLIA1199ZZ

JPMIA0594GB

INL-110

< ECU DIAGNOSIS INFORMATION >

TOTAL ILLUMINATION CONTROL UNIT

27

(R)

Ground

Map lamp switch 
(ALL ON)

Input

Map lamp main 
switch

OFF or DOOR

5 V

ALL ON

0 V

28

(SB)

Ground

Room lamp timer

Input

Other than the conditions as per the following

5 V

Hospitality lighting function table “scene 1”
• Interior room lamp timer is activated.

(Door is unlocked. etc.)

• Welcome light function is activated.

0 V

29

(GR)

Ground

Driver door switch

Input

Driver door 
switch

OFF (Door close)

8.5 - 9.0 V

ON (Door open)

0 V

30

(LG)

Ground

Mood lamp (Front 
door armrest LH)

Output

Mood lamp OFF

12 V

Any door open

0 V

Engine running (Tail lamps OFF)

8.4 V

31

(O)

Ground

Mood lamp (Rear 
door armrest LH)

Output

Mood lamp OFF

12 V

Any door open

0 V

Engine running (Tail lamps OFF)

8.4 V

33

(W)

Ground

Hospitality lighting 
power supply 3

Output

Interior room lamp battery saver is activated.

0 V

Interior room lamp battery saver is not activat-
ed.

12 V

34

(R)

Ground

Hospitality lighting 
power supply 2

Output

Interior room lamp battery saver is activated.

0 V

Interior room lamp battery saver is not activat-
ed.

12 V

35

(V)

Ground

Hospitality lighting 
power supply 1

Output

Interior room lamp battery saver is activated.

0 V

Interior room lamp battery saver is not activat-
ed.

12 V

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

Signal name

Input/ 

Output

+

–

JPMIA0594GB

JPLIA1189ZZ

JPLIA1189ZZ

TOTAL ILLUMINATION CONTROL UNIT

INL-111

< ECU DIAGNOSIS INFORMATION >

C

D

E

F

G

H

I

J

K

M

A

B

INL

N

O

P

36

(L)

Ground

Foot lamp (LH)

Output

Foot lamp OFF

12 V

Any door open (ignition switch OFF)

2.4 V

Ignition switch ON (Tail lamps OFF)

10.8 V

39

(B)

Ground

Puddle lamp (RH)

Output

Puddle lamp (RH)

OFF

12 V

ON

0 V

40

(O)

Ground

Puddle lamp (LH)

Output

Puddle lamp (LH)

OFF

12 V

ON

0 V

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

Signal name

Input/ 

Output

+

–

JPLIA1192ZZ

JPLIA1193ZZ