Infiniti FX35, FX50 (S51). Manual - part 1208

INL-32

< DTC/CIRCUIT DIAGNOSIS >

HOSPITALITY LIGHTING POWER SUPPLY CIRCUIT 1

Does continuity exist?

YES

>> GO TO 3.

NO

>> Repair the harnesses or connectors.

3.

CHECK ROOF MODULE CIRCUIT FOR OPEN

1.

Turn ignition switch OFF.

2.

Disconnect the following connectors.

-

Map lamp

-

Vanity mirror lamp (LH)

-

Vanity mirror lamp (RH)

-

Personal lamp

3.

Check continuity between the roof module harness connector and each lamp harness connectors.

Is the measurement value normal?

YES

>> Hospitality lighting power supply 1 circuit is normal.

NO

>> Repair the harnesses or connectors.

4.

CHECK HOSPITALITY LIGHTING POWER SUPPLY 1 CIRCUIT FOR SHORT

1.

Turn ignition switch OFF.

2.

Disconnect the following connectors.

-

Total illumination control unit

-

Roof module

-

Foot lamp (driver side)

-

Foot lamp (passenger side)

-

Mood lamp (rear door armrest LH)

-

Mood lamp (rear door armrest RH)

-

Push-button ignition switch

3.

Check continuity between total illumination control unit harness connector and ground.

Total illumination con-

trol unit

Each interior room lamp

Continuity

Connector

Terminal

Connector

Terminal

M129

35

Roof module

R2

12

Existed

Foot lamp
(driver side)

M30

1

Foot lamp
(passenger side)

M130

1

Mood lamp
(rear door armrest LH)

D58

1

Mood lamp
(rear door armrest RH)

D78

1

Push-button ignition 
switch

M50

3

Roof module

Each interior room lamp

Continuity

Connector

Terminal

Connector

Terminal

R11

12

Map lamp

R15

10

Existed

5

Vanity mirror lamp 
(LH)

R12

2

Vanity mirror lamp 
(RH)

R13

2

Personal lamp

R14

4

HOSPITALITY LIGHTING POWER SUPPLY CIRCUIT 1

INL-33

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

K

M

A

B

INL

N

O

P

Does continuity exist?

YES

>> Repair the harnesses or connectors.

NO

>> GO TO 5.

5.

CHECK ROOF MODULE CIRCUIT FOR SHORT

1.

Disconnect the following connectors.

-

Map lamp

-

Vanity mirror lamp (LH)

-

Vanity mirror lamp (RH)

-

Personal lamp

2.

Check continuity between roof module harness connector and ground.

Does continuity exist?

YES

>> Repair the harnesses or connectors.

NO

>> Replace the total illumination control unit.

Total illumination control unit

Ground

Continuity

Connector

Terminal

M129

35

Not existed

Roof module

Ground

Continuity

Connector

Terminal

R11

12

Not existed

INL-34

< DTC/CIRCUIT DIAGNOSIS >

HOSPITALITY LIGHTING POWER SUPPLY CIRCUIT 2

HOSPITALITY LIGHTING POWER SUPPLY CIRCUIT 2

Description

INFOID:0000000005245567

Total illumination control unit provides the following lamps power supply according to the battery saver signal
from BCM.
• Puddle lamp
• Mood lamp (front door armrest)

Diagnosis Procedure

INFOID:0000000005245568

CAUTION:

Check the following circuit first if the other room lamps (Map lamp, personal lamps, foot lamps, each
illumination, etc.) are not turned ON.
• Power supply and ground circuit of total illumination control unit: Refer to 

INL-26, "TOTAL ILLUMI-

NATION CONTROL UNIT : Diagnosis Procedure"

.

• Battery saver signal circuit: Refer to 

INL-30, "Description"

.

1.

CHECK HOSPITALITY LIGHTING POWER SUPPLY 2 OUTPUT

CONSULT-III ACTIVE TEST

1.

Turn ignition switch ON.

2.

Select “BATTERY SAVER” of BCM (BATTERY SAVER) active test item.

3.

While operating the test item, check voltage between total illumination control unit harness connector and
ground.

Is the measurement value normal?

YES

>> GO TO 2.

NO

>> GO TO 3.

2.

CHECK HOSPITALITY LIGHTING POWER SUPPLY 2 CIRCUIT FOR OPEN 

1.

Turn ignition switch OFF.

2.

Disconnect the following connectors.

-

Total illumination control unit

-

Door mirror (driver side)

-

Door mirror (passenger side)

-

Mood lamp (front door armrest LH)

-

Mood lamp (front door armrest RH)

3.

Check continuity between total illumination control unit harness connector and each lamp harness con-
nectors.

Terminals

Test item

Voltage

(Approx.)

(+)

(

−

)

Total illumination control unit

Ground

BATTERY 

SAVER

Connector

Terminal

M129

34

Off

0 V

On

12 V

HOSPITALITY LIGHTING POWER SUPPLY CIRCUIT 2

INL-35

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

K

M

A

B

INL

N

O

P

Does continuity exist?

YES

>> Hospitality lighting power supply 2 circuit is normal.

NO

>> Repair the harnesses or connectors.

3.

CHECK HOSPITALITY LIGHTING POWER SUPPLY 2 CIRCUIT FOR SHORT

Check continuity between total illumination control unit harness connector and ground.

Does continuity exist?

YES

>> Repair the harnesses or connectors.

NO

>> Replace the total illumination control unit.

Total illumination con-

trol unit

Each interior room lamp

Continuity

Connector

Terminal

Connector

Terminal

M129

34

Door mirror
(driver side)

D3

2

Existed

Door mirror
(passenger side)

D33

2

Mood lamp
(front door armrest LH)

D16

1

Mood lamp
(front door armrest RH)

D46

1

Total illumination control unit

Ground

Continuity

Connector

Terminal

M129

34

Not existed