Nissan Teana J32. Instruction — part 816
MWI
METER SYSTEM
MWI-7
< FUNCTION DIAGNOSIS >
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System
Description
Signal source
Meter/gauge
Speedometer
Receives vehicle speed signal and indicates vehicle speed.
ABS actuator and elec-
tric unit (control unit)
Tachometer
Receives engine speed signal and indicates engine speed.
ECM
Fuel gauge
Receives fuel level sensor signal and indicates fuel level.
Fuel level sensor unit
Engine coolant tem-
perature gauge
Receives engine coolant temperature signal and indicates coolant
temperature.
ECM
Warning lamp/
indicator lamp
Oil pressure warning
lamp
Receives oil pressure warning lamp signal and illuminates warning
lamp.
IPDM E/R
Master warning
Illuminates according to warning output on information display.
—
Information
display
Door open warning
Receives door switch signals and displays warning.
BCM
Trunk open warning
Receives trunk switch signals and displays warning.
BCM
Parking brake re-
lease warning
Receives parking brake switch signal and vehicle speed signal and
displays warnings.
Parking brake switch
ABS actuator and elec-
tric unit (control unit)
Low fuel warning
Receives fuel gauge signal and displays warning if fuel level de-
creases to 11
(2-2/5 Imp gal) or less.
Fuel level sensor unit
Low outside tempera-
ture warning
Monitors ambient sensor signal and displays warning if ambient
temperature decreases to 3
°
C (37
°
F) or less. (If enabled)
Ambient sensor
Instantaneous fuel
consumption
Calculates instantaneous fuel consumption based on received ve-
hicle speed signals and fuel consumption monitor signal and dis-
plays it.
ECM
ABS actuator and elec-
tric unit (control unit)
Average fuel con-
sumption
Calculates average fuel consumption in a reset-to-reset interval
based on received vehicle speed signals and fuel consumption
monitor signal and displays it.
ECM
ABS actuator and elec-
tric unit (control unit)
Average vehicle
speed
Calculates average vehicle speed in a reset-to-reset interval based
on received vehicle speed signals and displays it.
ABS actuator and elec-
tric unit (control unit)
Travel time
Displays accumulated key switch ON time from reset to reset.
—
Travel distance
Calculates accumulated travel distance in a reset-to-reset interval
based on received vehicle speed signals and displays it.
ABS actuator and elec-
tric unit (control unit)
Possible driving dis-
tance
Calculates possible driving distance based on received fuel con-
sumption monitor signal, vehicle speed signals and fuel level sen-
sor signal and displays it.
ABS actuator and elec-
tric unit (control unit)
ECM
Fuel level sensor unit
Ambient air tempera-
ture
Corrects ambient air temperature value based on received ambient
sensor signals and displays it.
Ambient sensor
MWI-8
< FUNCTION DIAGNOSIS >
METER SYSTEM
ARRANGEMENT OF COMBINATION METER
JPNIA1009ZZ
MWI
METER SYSTEM
MWI-9
< FUNCTION DIAGNOSIS >
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D
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METER SYSTEM : Component Parts Location
INFOID:0000000003792509
1.
ABS actuator and electric unit (con-
trol unit)
2.
ECM
3.
TCM
4.
Oil pressure switch
5.
Ambient sensor
6.
IPDM E/R
7.
BCM
8.
Combination meter
9.
Fuel level sensor unit and fuel pump
A.
Engine room (LH)
B.
Engine room (LH)
C.
Engine front side
JPNIA1025ZZ
MWI-10
< FUNCTION DIAGNOSIS >
METER SYSTEM
METER SYSTEM : Component Description
INFOID:0000000003792510
SPEEDOMETER
SPEEDOMETER : System Diagram
INFOID:0000000003792511
SPEEDOMETER : System Description
INFOID:0000000003792512
• The ABS actuator and electric unit (control unit) converts the rectangular wave signal provided by the wheel
sensor to a vehicle speed signal and transmits it to the combination meter via CAN communication.
• The combination meter indicates the vehicle speed to the speedometer according to the vehicle speed sig-
nal received via CAN communication.
D.
Front bumper (left back)
E.
Engine room (LH)
F.
Behind the combination meter
G.
Lower left side of rear seat
Unit
Description
Combination meter
Controls the following with the signals received from each unit via CAN communication and the sig-
nals from switches and sensors.
• Speedometer
• Tachometer
• Engine coolant temperature gauge
• Fuel gauge
• Warning lamps
• Indicator lamps
• Information display
IPDM E/R
IPDM E/R reads the ON/OFF signals of the oil pressure switch and transmits the oil pressure switch
signal to the combination meter via BCM with CAN communication line.
Fuel level sensor unit
Refer to
.
Oil pressure switch
Refer to
.
ECM
Transmits the following signals to the combination meter with CAN communication line.
• Engine speed signal
• Engine coolant temperature signal
• Fuel consumption monitor signal
ABS actuator and electric unit
(control unit)
Transmits the vehicle speed signal to the combination meter with CAN communication line.
BCM
Transmits signals provided by various units to the combination meter with CAN communication line.
Control device
Transmits the sport mode switch signal to the combination meter.
TCM
Transmits the shift position signal to the combination meter with CAN communication line.
Meter control switch
Refer to
.
Brake fluid level switch
Transmits the brake fluid level switch signal to the combination meter.
Parking brake switch
Refer to
.
JPNIA1012GB
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