Infiniti G37 Coupe. Manual — part 921
MWI-30
< FUNCTION DIAGNOSIS >
METER SYSTEM
INFORMATION DISPLAY : Component Parts Location
INFOID:0000000001672057
INFORMATION DISPLAY : Component Description
INFOID:0000000001606641
JPNIA0501ZZ
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 and fuel pump
(main)
8.
Fuel level sensor unit (sub)
A.
Behind cluster lid C
B.
Oil pan (upper) RH side
C.
Condenser (front)
D.
Rear seat (lower right)
E.
Rear seat (lower left)
Unit
Description
Combination meter
Controls the information display with the signals received from the unified meter and A/C amp. by
means of communication and the signals from various switches and sensors.
Unified meter and A/C amp.
Transmits signals received from various units to the combination meter by means of communica-
tion.
Fuel level sensor unit
Refer to
MWI
METER SYSTEM
MWI-31
< FUNCTION DIAGNOSIS >
C
D
E
F
G
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B
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ECM
Transmits the following signals to the unified meter and A/C amp. via CAN communication.
• Engine speed 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. via CAN communication.
BCM
Transmits signals provided by various units to the unified meter and A/C amp. via CAN commu-
nication.
Meter control switch
Transmits the following signals to the combination meter.
• Enter switch signal
• Select switch signal
Washer level switch
Transmits the washer level switch signal to the combination meter.
Parking brake switch
Refer to
Door switch
Transmits the door switch signals to BCM.
Trunk room lamp switch
Transmits the room lamp switch signal to BCM.
Ambient sensor
Detects the ambient air temperature and transmits the ambient sensor signal to the unified meter
and A/C amp.
Unit
Description
MWI-32
< FUNCTION DIAGNOSIS >
COMPASS
COMPASS
Description
INFOID:0000000001606642
DISCRIPTION
• This electronic compass is able to display 8 primary directions: N, NE, E, SE, S, SW, W, NW.
• The compass switch (1) is used to operate the compass.
Switch Operation
• All standard compasses determine direction relative to Magnetic North; however, this electronic compass is
designed to display direction relative to True North.
• The difference between Magnetic North and True North varies from place to place across the surface of the
earth.
• This electronic compass must be “told” approximately where it is on the earth’s surface so that the Magnetic
North reading can be properly converted into a True North display.
• To tell the electronic compass where it’s at, the earth is separated into numbered “Zone Variances”. The
Zone Variance number in which the compass is to function must be entered into this electronic compass.
• Each zone is magnetically about 4.2
°
wide. Typically, anything under 22.5
°
total zone change is not noticed
on the electronic compass display. However, over 22.5
°
, a reading may be off by one or more primary direc-
tions.
• On long trips, a vehicle may leave its original zone and enter one or more new zones. Generally, you do not
need to reset the compass zone if you travel between 3 or 4 zones, such as business travel or vacation. The
typical driver will not notice any difference on the display within 3 or 4 zones. However, if the vehicle is “per-
manently” moved to a new location, it is recommended that the compass zone be reset.
ZONE VARIATION SETTING PROCEDURE
1.
Press and hold the compass switch for 3 – 9 seconds.
2.
The current zone setting appears on the compass display.
3.
Find the current geographical location number in the Zone Varia-
tion Chart.
4.
Select the new zone number. (Press the compass switch until
the new zone number appears on the compass display.)
5.
After select the new zone number, the compass display will
automatically shows a direction within a few seconds.
6.
Perform the following Calibration Procedure for more accurate
indications.
Press
Compass is turned ON/OFF
Press and hold
(for 3 - 9 sec.)
Compass display (2) turns to zone variation change
mode Compass
Press and hold (for more
than 9 sec.)
Compass display turns to calibration mode
SKIB8868E
SEL168Y
MWI
COMPASS
MWI-33
< FUNCTION DIAGNOSIS >
C
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CALIBRATION PROCEDURE
NOTE:
The compass calibrates itself under normal driving conditions. However, occasional circumstances may cause
the compass to operate inaccurately. Example: Driving from rural (wide open) areas to crowded city areas, or
if an aftermarket (i.e., non original equipment) antenna with a magnetic base is attached to the vehicle. Cali-
brate the mirror compass if the display shows only one direction or a limited number of directions.
NOTE:
• If “magnetic hats” are used in the dealership for vehicle identification, remove the hat from the vehicle before
performing the following steps. Do NOT put the hat back on the vehicle after the procedure is completed.
• Drive the vehicle to an open level area; away from large metallic objects, structures, and overhead power
lines.
• Turn off “non-essential” electrical accessories (rear window defrost, heater/air conditioning, wipers) and
close the doors.
1.
Verify the correct compass zone setting for the geographical location.
2.
Press and hold the compass switch for more than 9 seconds.
3.
“C“ is displayed on the compass display, when calibration starts.
4.
Drive slowly [less than 8 km/h (5 MPH)] in a circle until the “C / CAL” is replaced with primary headings (N,
NE, E, SE, S, SW, W, or NW).
NOTE:
This will require driving at least 2 complete 360 degree circles; 3 complete circles may be required.
5.
The compass calibration procedure is now complete. The compass should operate normally.
NOTE:
If at any time the compass continually displays the incorrect direction or the reading is erratic or locked,
repeat the calibration procedure.
Component Parts Location
INFOID:0000000001606643
Special Repair Requirement
INFOID:0000000001606644
1.
PERFORM ZONE VARIATION SETTING
Perform the zone variation setting. Refer to
.
>> GO TO 2.
2.
PERFORM CALIBRATION
Perform the calibration. Refer to
.
>> Setting completion
1
: Compass switch
2
: Compass display
SKIB8868E
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