Infiniti QX56 (JA60). Manual — part 694
MWI
METER SYSTEM
MWI-11
< FUNCTION DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
ENGINE COOLANT TEMPERATURE GAUGE : System Diagram
INFOID:0000000005146038
ENGINE COOLANT TEMPERATURE GAUGE : System Description
INFOID:0000000005146039
The engine coolant temperature gauge indicates the engine coolant temperature.
The ECM provides an engine coolant temperature signal to the combination meter via CAN communication
lines.
ENGINE COOLANT TEMPERATURE GAUGE : Component Parts Location
INFOID:0000000005146040
SKIB6905E
1.
IPDM E/R E122, E124
2.
Combination meter M23, M24
3.
Fuel level sensor unit and fuel pump
C5 (view with inspection hole cover re-
moved)
4.
ECM E16 (view with battery removed) 5.
ABS actuator and electric unit (control
unit) E125
6.
Oil pressure switch F4
A: Oil pan (upper)
7.
A/T assembly F9
8.
BCM M18, M19 (view with instrument
lower panel LH removed)
AWNIA0201ZZ
MWI-12
< FUNCTION DIAGNOSIS >
METER SYSTEM
ENGINE COOLANT TEMPERATURE GAUGE : Component Description
INFOID:0000000005146041
FUEL GAUGE
FUEL GAUGE : System Diagram
INFOID:0000000005146042
FUEL GAUGE : System Description
INFOID:0000000005146043
The fuel gauge indicates the approximate fuel level in the fuel tank.
The fuel gauge is regulated by the unified meter control unit and a variable resistor signal supplied by the fuel
level sensor unit.
FUEL GAUGE : Component Parts Location
INFOID:0000000005146044
Unit
Description
Combination meter
Indicates the engine coolant temperature according to the engine coolant temperature signal re-
ceived from ECM via CAN communication.
ECM
Transmits the engine coolant temperature signal to the combination meter via CAN communication.
AWNIA0004GB
AWNIA0201ZZ
MWI
METER SYSTEM
MWI-13
< FUNCTION DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
FUEL GAUGE : Component Description
INFOID:0000000005146045
ENGINE OIL PRESSURE GAUGE
ENGINE OIL PRESSURE GAUGE : System Diagram
INFOID:0000000005146046
ENGINE OIL PRESSURE GAUGE : System Description
INFOID:0000000005146047
The engine oil pressure gauge indicates whether the engine oil pressure is low or normal.
The oil pressure gauge is controlled by the IPDM E/R. The IPDM E/R reads the ON/OFF signals from the oil
pressure switch and transmits the oil pressure switch signal to the combination meter via BCM with the CAN
communication line. The oil pressure gauge displays a low or normal indication according to the oil pressure
switch signal received via CAN communication.
1.
IPDM E/R E122, E124
2.
Combination meter M23, M24
3.
Fuel level sensor unit and fuel pump
C5 (view with inspection hole cover re-
moved)
4.
ECM E16 (view with battery removed) 5.
ABS actuator and electric unit (control
unit) E125
6.
Oil pressure switch F4
A: Oil pan (upper)
7.
A/T assembly F9
8.
BCM M18, M19 (view with instrument
lower panel LH removed)
Unit
Description
Combination meter
Indicates the fuel level according to the fuel level sensor signal received from the fuel level sensor
unit.
Fuel level sensor unit
Refer to
.
AWNIA0174GB
MWI-14
< FUNCTION DIAGNOSIS >
METER SYSTEM
ENGINE OIL PRESSURE GAUGE : Component Parts Location
INFOID:0000000005146048
ENGINE OIL PRESSURE GAUGE : Component Description
INFOID:0000000005146049
VOLTAGE GAUGE
1.
IPDM E/R E122, E124
2.
Combination meter M23, M24
3.
Fuel level sensor unit and fuel pump
C5 (view with inspection hole cover re-
moved)
4.
ECM E16 (view with battery removed) 5.
ABS actuator and electric unit (control
unit) E125
6.
Oil pressure switch F4
A: Oil pan (upper)
7.
A/T assembly F9
8.
BCM M18, M19 (view with instrument
lower panel LH removed)
AWNIA0201ZZ
Unit
Description
Combination meter
Indicates the engine oil pressure (low/normal) according to the oil pressure switch signal received
from BCM with CAN communication line.
IPDM E/R
Reads the ON/OFF signals from the oil pressure switch and transmits the oil pressure switch signal
to the combination meter via BCM with the CAN communication line.
Oil pressure switch
Refer to
.
BCM
Transmits the oil pressure switch signal received from IPDM E/R via CAN communication to the
combination meter via CAN communication.
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