NISSAN TEANA 2008 Service Manual

MWI
METER SYSTEM
MWI-7
< FUNCTION DIAGNOSIS >
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System Description Signal source
Meter/gaugeSpeedometer 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 gaugeReceives engine coolant temperature signal and indicates coolant
temperature.ECM
Warning lamp/
indicator lampOil pressure warning
lampReceives oil pressure warning lamp signal and illuminates warning
lamp.IPDM E/R
Master warning Illuminates according to warning output on information display. —
Information
displayDoor 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 warningReceives parking brake switch signal and vehicle speed signal and
displays warnings.Parking brake switch
ABS actuator and elec-
tric unit (control unit)
Low fuel warningReceives 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 warningMonitors ambient sensor signal and displays warning if ambient
temperature decreases to 3°C (37°F) or less. (If enabled)Ambient sensor
Instantaneous fuel
consumptionCalculates 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-
sumptionCalculates 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
speedCalculates 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 distanceCalculates 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-
tanceCalculates 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-
tureCorrects 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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METER SYSTEM : Component Parts LocationINFOID: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 DiagramINFOID:0000000003792511
SPEEDOMETER : System DescriptionINFOID: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 meterControls 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/RIPDM 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 MWI-45, "
Description".
Oil pressure switch Refer to MWI-50, "
Description".
ECMTransmits 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 MWI-48, "
Description".
Brake fluid level switch Transmits the brake fluid level switch signal to the combination meter.
Parking brake switch Refer to MWI-52, "
Description".
JPNIA1012GB

MWI
METER SYSTEM
MWI-11
< FUNCTION DIAGNOSIS >
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SPEEDOMETER : Component Parts LocationINFOID:0000000003879299
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-12
< FUNCTION DIAGNOSIS >
METER SYSTEM
SPEEDOMETER : Component Description
INFOID:0000000003792514
TACHOMETER
TACHOMETER : System DiagramINFOID:0000000003792515
TACHOMETER : System DescriptionINFOID:0000000003792516
 ECM converts the pulse signal provided by the crankshaft position sensor to an engine speed signal and
transmits it to the combination meter with CAN communication line.
 The combination meter indicates the engine speed to the tachometer according to the engine speed signal
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 meterIndicates the vehicle speed to the speedometer according to the vehicle speed signal received from
ABS actuator and electric unit (control unit) via CAN communication.
ABS actuator and electric unit
(control unit)Transmits the vehicle speed signal to the combination meter with CAN communication line.
JPNIA1013GB

MWI
METER SYSTEM
MWI-13
< FUNCTION DIAGNOSIS >
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TACHOMETER : Component Parts LocationINFOID:0000000003879300
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-14
< FUNCTION DIAGNOSIS >
METER SYSTEM
TACHOMETER : Component Description
INFOID:0000000003792518
ENGINE COOLANT TEMPERATURE GAUGE
ENGINE COOLANT TEMPERATURE GAUGE : System DiagramINFOID:0000000003792519
ENGINE COOLANT TEMPERATURE GAUGE : System DescriptionINFOID:0000000003792520
 ECM reads the engine coolant temperature signal from the engine coolant temperature sensor and transmits
the signal to the combination meter via CAN communication.
 The combination meter indicates the engine coolant temperature to the water temperature gauge according
to the engine coolant temperature signal 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 meterIndicates the engine speed to the tachometer according to the engine speed signal received from
ECM via CAN communication.
ECM Transmits the engine speed signal to the combination meter with CAN communication line.
JPNIA1014GB

MWI
METER SYSTEM
MWI-15
< FUNCTION DIAGNOSIS >
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ENGINE COOLANT TEMPERATURE GAUGE : Component Parts Location
INFOID:0000000003879301
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
JPNIA1025ZZ

MWI-16
< FUNCTION DIAGNOSIS >
METER SYSTEM
ENGINE COOLANT TEMPERATURE GAUGE : Component Description
INFOID:0000000003792522
FUEL GAUGE
FUEL GAUGE : System DiagramINFOID:0000000003792523
FUEL GAUGE : System DescriptionINFOID:0000000003792524
CONTROL OUTLINE
The combination meter reads the fuel level sensor signal from the fuel level sensor unit and indicates the fuel
level to the fuel gauge.
REFUEL CONTROL
The combination meter accelerates the fuel gauge segment if the all conditions listed below are met, or the
ignition switch is ON from OFF.
 Ignition switch is ON position.
 The vehicle is not moving.
 The fuel level change by 15 (3 - 1/4 lmp gal) or more.
A. Engine room (LH) B. Engine room (LH) C. Engine front side
D. Front bumper (left back) E. Engine room (LH) F. Behind the combination meter
G. Lower left side of rear seat
Unit Description
Combination meterIndicates the engine coolant temperature to the water temperature gauge according to the engine
coolant temperature signal received from ECM via CAN communication.
ECM Transmits the engine coolant temperature signal to the combination meter via CAN communication.
JPNIA0983GB