Nissan Quest E52. Instruction — part 902
MWI
METER SYSTEM
MWI-13
< SYSTEM DESCRIPTION >
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METER SYSTEM : Circuit Diagram
INFOID:0000000009651470
METER SYSTEM : Fail-Safe
INFOID:0000000009864201
FAIL-SAFE
The combination meter activates the fail-safe control if CAN communication with each unit is malfunctioning.
JSNIA6364GB
MWI-14
< SYSTEM DESCRIPTION >
METER SYSTEM
SPEEDOMETER
Function
Specifications
Speedometer
Reset to zero by suspending communication.
Tachometer
Engine coolant temperature gauge
Illumination control
When suspending communication, changes to nighttime
mode.
Information dis-
play
Odo/trip meter
An indicated value is maintained at communications blackout.
Shift position indicator
The display turns OFF by suspending communication.
Interrupt indication
Door open warning
The display turns OFF by suspending communication.
Fuel filler cap warning
Low tire pressure warn-
ing
Trip computer
Current fuel consump-
tion
• When reception time of an abnormal signal is 2 seconds or
less, the last received datum is used for calculation to indi-
cate the result.
• When reception time of an abnormal signal is more than two
seconds, the last calculation results are indicated.
Average fuel consump-
tion
Distance to empty
Average vehicle speed
Travel distance
Buzzer
The buzzer turns OFF by suspending communication.
Warning lamp/in-
dicator lamp
ABS warning lamp
The lamp turns ON by suspending communication.
VDC warning lamp
Brake warning lamp
EPS warning lamp
Malfunction indicator lamp
Low tire pressure warning lamp
The lamp blinking caused by suspending communication.
High beam indicator lamp
The lamp turns OFF by suspending communication.
Turn signal indicator lamp
VDC OFF indicator lamp
O/D OFF indicator lamp
Position lamp indicator lamp
CRUISE indicator lamp
Oil pressure warning lamp
BSW warning lamp
Key warning lamp
MWI
METER SYSTEM
MWI-15
< SYSTEM DESCRIPTION >
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SPEEDOMETER : System Description
INFOID:0000000009651472
SYSTEM DIAGRAM
DESCRIPTION
• 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.
TACHOMETER
TACHOMETER : System Description
INFOID:0000000009651473
SYSTEM DIAGRAM
DESCRIPTION
• ECM converts the pulse signal provided by the crankshaft position sensor to an engine speed signal and
transmits it to the combination meter via CAN communication.
• The combination meter indicates the engine speed to the tachometer according to the engine speed signal
received via CAN communication.
ENGINE COOLANT TEMPERATURE GAUGE
ENGINE COOLANT TEMPERATURE GAUGE : System Description
INFOID:0000000009651474
SYSTEM DIAGRAM
DESCRIPTION
• ECM reads the engine coolant temperature signal from the engine coolant temperature sensor and transmits
the signal to the combination meter via CAN communication.
JSNIA2973GB
JSNIA2974GB
JSNIA3015GB
MWI-16
< SYSTEM DESCRIPTION >
METER SYSTEM
• The combination meter indicates the engine coolant temperature to the engine coolant temperature gauge
according to the engine coolant temperature signal received via CAN communication.
FUEL GAUGE
FUEL GAUGE : System Description
INFOID:0000000009651475
SYSTEM DIAGRAM
DESCRIPTION
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 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 (4 US gal, 3-1/4 Imp gal) or more.
OIL PRESSURE WARNING LAMP
OIL PRESSURE WARNING LAMP : System Description
INFOID:0000000009651476
SYSTEM DIAGRAM
DESCRIPTION
• IPDM E/R receives an oil pressure switch signal from the oil pressure switch and transmits the signal to
BCM via CAN communication.
• BCM transmits the oil pressure switch signal received from IPDM E/R to the combination meter via CAN
communication.
• The combination meter turns ON/OFF the oil pressure warning lamp, according to an oil pressure switch sig-
nal received from BCM via CAN communication.
MASTER WARNING LAMP
JPNIA0983GB
JSNIA2464GB
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