Mazda 2006 MX-5 - Fuel Gauge Control Construction;Operation; Fuel Gauge Control Outline; Water Temperature Gauge Control Construction;Operation; Water Temperature Gauge Control Outline

INSTRUMENTATION/DRIVER INFO.
09–22–13
09–22
FUEL GAUGE CONTROL OUTLINE
E5U092255430N21
• The fuel level signal is output from the fuel gauge sender unit to the microcomputer in the instrument cluster.
Fuel gauge variation caused by fluctuating fuel level when cornering or driving on a slope, is reduced by
microcomputer control.
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FUEL GAUGE CONTROL CONSTRUCTION/OPERATION
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System Wiring Diagram
Operation
• A resistance according to fuel level is sent from
the fuel gauge sender unit to the microcomputer.
The microcomputer calculates the average
resistance within a specified time, and sends the
output signal to the fuel gauge based on the
calculated value.
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WATER TEMPERATURE GAUGE CONTROL OUTLINE
E5U092255430N23
• The engine coolant temperature signal is output from the PCM to the microcomputer in the instrument cluster.
End Of Sie
WATER TEMPERATURE GAUGE CONTROL CONSTRUCTION/OPERATION
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System Wiring Diagram
Operation
• The engine coolant temperature signal sent from
the PCM via the CAN system is input to the
microcomputer in the instrument cluster. The
microcomputer calculates the current engine
coolant temperature based on the engine coolant
temperature signal, and sends an output signal to
the water temperature gauge.
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IG1
B+
1G
1E
2T2R
1C
INSTRUMENT
CLUSTER
MICROCOMPUTER
FUEL GAUGE
FUEL GAUGE
SENDER UNIT
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IG1
B+
1G
1E
1J1L
1C
PCM
INSTRUMENT
CLUSTER
MICROCOMPUTER
CAN CONTROL
CIRCUIT
WATER TEMPERATURE GAUGE
E5U922ZS5012