Infiniti G35 (V35) Sedan. Manual — part 949
MWI
METER SYSTEM
MWI-23
< FUNCTION DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
M
B
N
A
O
P
WARNING LAMPS/INDICATOR LAMPS : Component Parts Location
INFOID:0000000000964356
WARNING LAMPS/INDICATOR LAMPS : Component Description
INFOID:0000000000964357
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
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.
MWI-24
< FUNCTION DIAGNOSIS >
METER SYSTEM
METER ILLUMINATION CONTROL
METER ILLUMINATION CONTROL : System Diagram
INFOID:0000000000964358
METER ILLUMINATION CONTROL : System Description
INFOID:0000000000964359
SYSTEM DESCRIPTION
Meter illumination Control Function
• The combination meter controls the meter illumination by the illumination control switch signal from the
meter control switch and the position light request signal transmitted by BCM with unified meter and A/C
amp.
Daytime Mode
Meter Illumination is adjusted to 5 steps by meter 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.
Oil pressure switch
.
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.
Unit
Description
JSNIA0024GB
JSNIA0026GB
MWI
METER SYSTEM
MWI-25
< FUNCTION DIAGNOSIS >
C
D
E
F
G
H
I
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K
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B
N
A
O
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• Meter illumination is adjusted to 22 steps by illumination control
switch (1) in nighttime.
METER ILLUMINATION CONTROL : Component Parts Location
INFOID:0000000000964360
JSNIA0026GB
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)
MWI-26
< FUNCTION DIAGNOSIS >
METER SYSTEM
METER ILLUMINATION CONTROL : Component Description
INFOID:0000000000964361
INFORMATION DISPLAY
INFORMATION DISPLAY : System Diagram
INFOID:0000000000964362
INFORMATION DISPLAY : System Description
INFOID:0000000000964363
DISCRIPTION
• The combination meter retrieves the information required for controlling the operations of the information
display from the communication signals from the unified meter and A/C amp., etc.
• The combination meter incorporates a trip computer that displays the warning / information according to the
information received from various units.
PARKING BRAKE RELEASE WARNING
Control outline
The combination meter indicates PARKING BRAKE RELEASE WARNING judged with the vehicle speed sig-
nal received from the unified meter and A/C amp. by means of communication line and the parking brake
switch signal from the parking brake switch.
Warning operation condition
PARKING BRAKE RELEASE is judged if all of the following conditions are fulfilled.
• Vehicle speed is 7 km/h (4.3 MPH) or higher
• Parking brake switch ON
LOW FUEL WARNING
Control outline
• The combination meter indicates LOW FUEL WARNING judged with the fuel level sensor signal received
from the unified meter and A/C amp.
Warning operation condition
• Fuel level: Approx. 12 (3 - 1/8 US gal, 2 - 5/8 Imp gal) or less
LOW WASHER FLUID WARNING
Unit
Description
Combination meter
Controls the meter illumination with the illumination control signal from the meter control switch
and the position light request signal from unified meter and A/C amp.
Unified meter and A/C amp.
Transmits the position light request signal received from BCM via CAN communication to the com-
bination meter by means of communication.
Meter control switch
Transmits the following signals to the combination meter.
• Illumination control signal (+)
• Illumination control signal (–)
JSNIA0032GB
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