Infiniti FX35, FX50 (S51). Manual - part 1377

 

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Infiniti FX35, FX50 (S51). Manual - part 1377

 

 

MWI

METER SYSTEM

MWI-27

< SYSTEM DESCRIPTION >

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WARNING LAMPS/INDICATOR LAMPS : Component Description

INFOID:0000000005524580

METER ILLUMINATION CONTROL

METER ILLUMINATION CONTROL : System Diagram

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METER ILLUMINATION CONTROL : System Description

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SYSTEM DESCRIPTION

The combination meter receives an illumination control switch signal from the meter control switch, and a posi-
tion light request signal and a meter ring illumination request signal from BCM through the unified meter and
A/C amp. to control meter illumination.

Daytime Mode

1.

Fuel level sensor unit and fuel pump 
(main)

2.

BCM

3.

IPDM E/R

4.

ECM : 

EC-589, "Component Parts 

Location"

 (VQ35HR engine models)

ECM : 

EC-589, "Component Parts 

Location"

 (VK50VE engine models)

5.

Oil pressure switch (VQ35HR engine 
models)

6.

Ambient sensor

7.

Oil pressure switch (VK50VE engine 
models)

8.

ABS actuator and electric unit (con-
trol unit)

9.

Unified meter and A/C amp.

10. Combination meter

11.

Fuel level sensor unit (sub)

A.

Rear seat (bottom)

B.

Dash side finisher (passenger side)

C.

Hoodledge cover (RH)

D.

2WD [oil pan (upper) RH side]

E.

AWD [oil filter bracket part (VQ35HR 
engine models)]

F.

Condenser (front)

G.

AWD [oil filter bracket part (VK50VE 
engine models)]

H.

Hoodledge cover (LH)

I.

Behind cluster lid C

Unit

Description

Combination meter

Turns the oil pressure warning lamp ON/OFF according to the oil pressure switch signal received 
from the unified meter and A/C amp. by means of communication line.

Unified meter and A/C amp.

Transmits the oil pressure switch signal received from the IPDM E/R with BCM to the combination 
meter by means of communication line.

IPDM E/R

IPDM E/R reads the ON/OFF signals from the oil pressure switch and transmits the oil pressure 
switch signal to the unified meter and A/C amp. via BCM with the CAN communication line.

Oil pressure switch

Refer to 

MWI-68, "Description"

.

BCM

Transmits the oil pressure switch signal received from IPDM E/R via CAN communication to the 
unified meter and A/C amp. via CAN communication line.

JPNIA1076GB

MWI-28

< SYSTEM DESCRIPTION >

METER SYSTEM

Meter illumination is adjusted to 5 steps by illumination control switch
(1) in daytime mode.

Nighttime Mode

• Combination meter is transferred to nighttime mode with position light request signal from BCM with CAN

communication line.

• Meter illumination is adjusted to 22 steps by illumination control switch in nighttime.

Driver Welcome Function

• BCM transmits a meter ring illumination request signal to the unified meter and A/C amp. through the CAN

communication when the intelligent key is inside the vehicle and the door on the driver side is recognized as
closed.

• The unified meter and A/C amp. receives a meter ring illumination request signal through the CAN commu-

nication and transmits the signal to the combination meter with communication line.

• The combination meter turns on meter ring illumination is stages by receiving a meter ring illumination

request signal from the unified meter and A/C amp. through the communication line.

NOTE:
Meter ring illumination turns off in stages after a set period of time.

JPNIA1077ZZ

MWI

METER SYSTEM

MWI-29

< SYSTEM DESCRIPTION >

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METER ILLUMINATION CONTROL : Component Parts Location

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JPNIA1104ZZ

MWI-30

< SYSTEM DESCRIPTION >

METER SYSTEM

METER ILLUMINATION CONTROL : Component Description

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METER EFFECT FUNCTION

METER EFFECT FUNCTION : System Diagram

INFOID:0000000005524585

METER EFFECT FUNCTION : System Description

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SYSTEM DESCRIPTION

Engine-start Effect function

• The unified meter and A/C amp. receives an engine speed signal and engine status signal from ECM, a

starter relay status signal from BCM, a shift position signal from TCM, a vehicle speed signal from ABS actu-

1.

Fuel level sensor unit and fuel pump 
(main)

2.

BCM

3.

IPDM E/R

4.

ECM : 

EC-589, "Component Parts 

Location"

 (VQ35HR engine models)

ECM : 

EC-589, "Component Parts 

Location"

 (VK50VE engine models)

5.

Oil pressure switch (VQ35HR engine 
models)

6.

Ambient sensor

7.

Oil pressure switch (VK50VE engine 
models)

8.

ABS actuator and electric unit (con-
trol unit)

9.

Unified meter and A/C amp.

10. Combination meter

11.

Fuel level sensor unit (sub)

A.

Rear seat (bottom)

B.

Dash side finisher (passenger side)

C.

Hoodledge cover (RH)

D.

2WD [oil pan (upper) RH side]

E.

AWD [oil filter bracket part (VQ35HR 
engine models)]

F.

Condenser (front)

G.

AWD [oil filter bracket part (VK50VE 
engine models)]

H.

Hoodledge cover (LH)

I.

Behind cluster lid C

Unit

Description

Combination meter

Controls the meter illumination with the illumination control switch signal from the meter control 
switch and the position light request signal and the meter ring illumination request signal from uni-
fied meter and A/C amp.

Unified meter and A/C amp.

Transmits the position light request signal and meter ring illumination request signal received from 
BCM via CAN communication to the combination meter by means of communication.

BCM

Transmits the following signals to the unified meter and A/C amp.

• Position light request signal

• Meter ring illumination request signal

Meter control switch

Transmits the following signals to the combination meter.

• Illumination control switch signal (+)

• Illumination control switch signal (–)

JPNIA1078GB

 

 

 

 

 

 

 

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