Nissan Altima L32. Instruction — part 945
MWI-32
< FUNCTION DIAGNOSIS >
METER SYSTEM
INFORMATION DISPLAY : System Description
INFOID:0000000004204079
FUNCTION
The information display can indicate the following items.
• Outside air temperature
• Trip/fuel consumption readings
• Intelligent Key operation information
• Maintenance information
• Warning/Indication messages (Door ajar, low fuel, low washer fluid, parking brake, cruise control)
OUTSIDE AIR TEMPERATURE INDICATION
The outside air temperature indication is displayed while the ignition switch is in the ON position.
Indication range is between -30 and 55
°C (-22 and 131°F). When outside temperature is less than 3°C (37°F),
display shows ICY. The indicated temperature is not affected by engine heat. It changes only when one of the
following conditions exists.
• When vehicle speed is more than approximately 20 km/h (12 MPH).
• The ignition switch has been turned OFF for more than 3.5 hours.
• When outside air temperature is less than the indicated temperature.
MPG
Average fuel consumption indication is calculated using vehicle speed signals from the ABS actuator and elec-
tric unit (control unit) and fuel consumption information from the ECM.
MPG/MPH
The average speed mode can be selected to display the average fuel consumption and average speed since
last reset. The indications are calculated using vehicle speed signals from the ABS actuator and electric unit
(control unit) and fuel consumption information from the ECM.
RANGE
The range indication provides the driver with an estimation of the distance that can be driven before refueling.
The range is calculated using signals from the fuel level sensor unit (fuel remaining), ECM (fuel consumption)
and vehicle speed signals from the ABS actuator and electric unit (control unit).
DOOR AJAR WARNING
This warning appears when the Intelligent Key is in the vehicle and any door or the trunk is opened.
LOW FUEL WARNING
This warning appears when the fuel level in the fuel tank reaches approximately 12.3 (3 1/4 US gal, 2 3/4
Imp gal). A variable resistor signal is supplied to the combination meter from the fuel level sensor unit to deter-
mine the amount of fuel in the fuel tank.
LOW WINDSHIELD WASHER FLUID WARNING
This warning appears when the windshield washer fluid level is low. When the windshield washer fluid level is
low, the washer level switch provides a ground signal to the combination meter (unified meter control unit).
The message will be displayed after the ignition switch is turned on for 3 minutes. Once fluid is added, the
message will stay on for 30 seconds and then turn off.
PARKING BRAKE INDICATOR
When the ignition switch is in the ON position and the parking brake is applied, the indicator will turn on. When
the parking brake is applied, the parking brake switch provides a ground signal to the combination meter (uni-
fied meter control unit). Then, when the ignition switch is turned ON and vehicle speed is greater than 5 km/h
(3 MPH), the message is displayed.
CRUISE INDICATOR
The cruise indicator message is displayed when the cruise control main switch is turned on. The ECM pro-
vides an ASCD ON signal to the combination meter (unified meter control unit) via CAN communication lines.
CRUISE SET INDICATOR
The cruise set indicator message is displayed when the vehicle speed is controlled by the ASCD system. The
ECM provides an ASCD ON signal to the combination meter (unified meter control unit) via CAN communica-
tion lines.
MWI
METER SYSTEM
MWI-33
< FUNCTION DIAGNOSIS >
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INFORMATION DISPLAY : Component Parts Location
INFOID:0000000004495948
MWI-34
< FUNCTION DIAGNOSIS >
METER SYSTEM
AWNIA0308ZZ
MWI
METER SYSTEM
MWI-35
< FUNCTION DIAGNOSIS >
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INFORMATION DISPLAY : Component Description
INFOID:0000000004204081
1.
Combination meter M24
2.
IPDM E/R E17, E18, E201, F10
3.
ECM E10
4.
TCM F16
5.
BCM M17, M18, M19, M21 (view with
instrument panel removed)
6.
ABS actuator and electric unit (control
unit) E26
7.
Fuel level sensor unit and fuel pump
(fuel level sensor) B42 (view with rear
seat and inspection hole cover re-
moved)
8.
Ambient sensor E211 (view of front
bumper fascia)
9.
Oil pressure switch F41 (QR25DE)
(view with engine removed)
10. Oil pressure switch F41 (VQ35DE)
(view with engine removed)
11. Parking brake switch M73
(Sedan with M/T and Coupe)
(view with center console removed)
12. Parking brake switch E35
(Sedan with CVT)
(view with instrument lower cover LH
removed)
AWNIA0747ZZ
Unit
Description
Combination meter
Controls the information display according to the signal received from each unit.
Fuel level sensor unit
.
ECM
Transmits the following signals to the combination meter via CAN communication line.
• Engine speed signal
• Fuel consumption monitor signal
ABS actuator and electric unit
(control unit)
Transmits the vehicle speed signal to the combination meter via CAN communication line.
BCM
Transmits signals provided by various units to the combination meter via CAN communication line.
Washer level switch
Transmits the washer level signal to the combination meter.
Parking brake switch
.
Door switch
Transmits the door switch signals to BCM.
Trunk lamp switch and trunk re-
lease solenoid
Transmits the trunk switch signal to BCM.
IPDM E/R
Transmits the ambient sensor signal received from the ambient sensor to the combination meter.
Ambient sensor
Detects the ambient temperature and transmits the ambient sensor signal to the IPDM E/R.
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