Infiniti G35 (V35) Sedan. Manual — part 945
MWI
METER SYSTEM
MWI-7
< FUNCTION DIAGNOSIS >
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Information
display
Door open warning
Receives door switch signals and displays warn-
ing.
BCM
X
Trunk open warning
Receives trunk lid opener switch signal and dis-
plays warning.
BCM
X
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)
X
Low fuel warning
Receives fuel gauge signal and displays warning
if fuel level decreases to 12
(3-1/8 US gal, 2-5/
8 Imp gal) or less.
Fuel level sensor unit
X
Low washer fluid
warning
Receives washer level switch signal and displays
warning.
Washer level switch
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
X
Instantaneous fuel
consumption
Calculates instantaneous fuel consumption based
on received vehicle speed signals and fuel con-
sumption monitor signal and displays it.
ECM
X
ABS actuator and elec-
tric unit (control unit)
X
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
X
ABS actuator and elec-
tric unit (control unit)
X
Average vehicle
speed
Calculates average vehicle speed in a reset-to-re-
set interval based on received vehicle speed sig-
nals and displays it.
ABS actuator and elec-
tric unit (control unit)
X
Travel time
Displays accumulated key switch ON time from
reset to reset.
—
X
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)
X
Possible driving dis-
tance
The unified meter and A/C amp. calculates the
possible driving distance according to the vehicle
speed signal and the fuel level sensor unit re-
ceived with CAN communication line, and trans-
mits it to the combination meter by means of
communication line.
ABS actuator and elec-
tric unit (control unit)
X
Fuel level sensor unit
X
Ambient air tempera-
ture
Corrects ambient temperature value based on re-
ceived ambient sensor signals and displays it.
Ambient sensor
X
System
Description
Signal source
Via unified
meter and A/C
amp.
MWI-8
< FUNCTION DIAGNOSIS >
METER SYSTEM
ARRANGEMENT OF COMBINATION METER
JSNIA0035GB
A.
U.S.A.
B.
Canada
MWI
METER SYSTEM
MWI-9
< FUNCTION DIAGNOSIS >
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METER SYSTEM : Component Parts Location
INFOID:0000000000964328
METER SYSTEM : Component Description
INFOID:0000000000964329
JSNIA0042ZZ
1.
Unified meter and A/C amp.
2.
BCM
3.
IPDM E/R
4.
Oil pressure switch
5.
Ambient sensor
6.
Combination meter
7.
Fuel level sensor unit (main)
8.
Fuel level sensor unit and fuel pump
(sub)
A.
Behind cluster lid C
B.
2WD [oil pan (upper) RH side]
C.
AWD (oil filter bracket part)
D.
Condenser (front)
E.
Rear seat (lower right)
F.
Rear seat (lower left)
Unit
Description
Combination meter
Controls the following with the signals from the unified meter and A/C amp, switches and sensors.
• Speedometer
• Tachometer
• Engine coolant temperature gauge
• Fuel gauge
• Warning lamps
• Indicator lamps
• Information display
• Warning chime
MWI-10
< FUNCTION DIAGNOSIS >
METER SYSTEM
SPEEDOMETER
SPEEDOMETER : System Diagram
INFOID:0000000000964330
SPEEDOMETER : System Description
INFOID:0000000000964331
• The ABS actuator and electric unit (control unit) converts the pulse signal provided by the wheel sensor to a
vehicle speed signal and transmits it to the unified meter and A/C amp. with CAN communication line.
• The unified meter and A/C amp. receives the vehicle speed signal from the ABS actuator and electric unit
(control unit) with CAN communication line and transmits it to the combination meter by means of communi-
cation line.
• The combination meter indicates the vehicle speed according to the vehicle speed signal received from the
unified meter and A/C amp. by means of communication line.
Unified meter and A/C amp.
• The combination meter receives the necessary information from various units via CAN communi-
cation line and transmits them to the unified meter and A/C amp. with the communication line that
connects both of them.
• Transmits the fuel gauge signal from the fuel gauge unit with the communication line that connects
the unified meter and A/C amp. and the combination meter.
• Reads the signals from the A/T device and paddle shifter and transmits them to TCM with CAN
communication line.
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 unified meter and A/C amp. via BCM with CAN communication line.
Fuel level sensor unit
Refer to
.
Oil pressure switch
Refer to
.
ECM
Transmits the following signals to the unified meter and A/C amp. 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 unified meter and A/C amp. with CAN communication line.
BCM
• Transmits signals provided by various units to the unified meter and A/C amp. with CAN commu-
nication line.
• Transmits the security signal to the combination meter.
A/T device
Transmits the following signals to the unified meter and A/C amp.
• Manual mode signal
• Not manual mode signal
• Manual mode shift up signal
• Manual mode shift down signal
Paddle shifter
Transmits the paddle shifter up signal and paddle shifter down signal to the unified meter and A/C
amp.
TCM
Transmits shift position signal to the unified meter and A/C amp.
Meter control switch
Refer to
.
Washer level switch
Transmits the washer level signal to the combination meter.
Brake fluid level switch
Transmits the brake fluid level switch signal to the combination meter.
Parking brake switch
Refer to
.
Unit
Description
JSNIA0158GB
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