Infiniti FX35, FX50 (S51). Manual — part 1374
MWI
METER SYSTEM
MWI-15
< SYSTEM DESCRIPTION >
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
TACHOMETER : Component Parts Location
INFOID:0000000005524559
JPNIA1104ZZ
MWI-16
< SYSTEM DESCRIPTION >
METER SYSTEM
TACHOMETER : Component Description
INFOID:0000000005524560
ENGINE COOLANT TEMPERATURE GAUGE
ENGINE COOLANT TEMPERATURE GAUGE : System Diagram
INFOID:0000000005524561
ENGINE COOLANT TEMPERATURE GAUGE : System Description
INFOID:0000000005524562
• ECM converses a signal from engine coolant temperature sensor to engine coolant temperature signal, and
transmits to unified meter and A/C amp. with CAN communication line.
• Unified meter and A/C amp. transmits engine coolant temperature signal to combination meter with commu-
nication line.
• Combination meter converses engine coolant temperature signal to the angle signal, and commands to
engine coolant temperature gauge.
1.
Fuel level sensor unit and fuel pump
(main)
2.
BCM
3.
IPDM E/R
4.
ECM :
(VQ35HR engine models)
ECM :
(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
Indicates the engine speed according to the engine speed signal received from the unified meter
and A/C amp. by means of communication line.
Unified meter and A/C amp.
Transmits the engine speed signal received from ECM with CAN communication line to the com-
bination meter by means of communication line.
ECM
Transmits the engine speed signal to the unified meter and A/C amp. with CAN communication
line.
JPNIA1601GB
MWI
METER SYSTEM
MWI-17
< SYSTEM DESCRIPTION >
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
ENGINE COOLANT TEMPERATURE GAUGE : Component Parts Location
INFOID:0000000005524563
JPNIA1104ZZ
MWI-18
< SYSTEM DESCRIPTION >
METER SYSTEM
ENGINE COOLANT TEMPERATURE GAUGE : Component Description
INFOID:0000000005524564
FUEL GAUGE
FUEL GAUGE : System Diagram
INFOID:0000000005524565
FUEL GAUGE : System Description
INFOID:0000000005524566
CONTROL OUTLINE
• The unified meter and A/C amp. reads the fuel level sensor signal from the fuel gauge unit and transmits it to
the combination meter with the communication line.
• The combination meter indicates the fuel level on the fuel gauge according to the received fuel level sensor
signal.
REFUEL CONTROL
The combination meter accelerates the fuel gauge segment if the all conditions listed below are met, or the
ignition switch is ON from OFF.
• Ignition switch is ON position.
• The vehicle is not moving.
• The fuel level change by 15 (4 US gal, 3-3/10 Imp gal) or more.
1.
Fuel level sensor unit and fuel pump
(main)
2.
BCM
3.
IPDM E/R
4.
ECM :
(VQ35HR engine models)
ECM :
(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
Indicates the engine coolant temperature gauge according to the engine coolant temperature sig-
nal received from the unified meter and A/C amp. by means of communication line.
Unified meter and A/C amp.
Transmits the engine coolant temperature signal received from ECM with CAN communication
line to the combination meter by means of communication line.
ECM
Transmits the engine coolant temperature signal to the unified meter and A/C amp. with CAN
communication line.
JSNIA0534GB
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