Speedometer Control Outline; Speedometer Control Construction/Operation; Tachometer Control Outline; Tachometer Control Construction/Operation - Mazda 2006 MX-5 Service Highlights

SPEEDOMETER CONTROL OUTLINE

• The vehicle speed signal is output from the PCM to the microcomputer in the instrument cluster.
End Of Sie

SPEEDOMETER CONTROL CONSTRUCTION/OPERATION

System Wiring Diagram
Operation
• The vehicle speed signal sent from the PCM via
the CAN system is input to the microcomputer in
the instrument cluster. The microcomputer
calculates the current vehicle speed based on the
vehicle speed signal, and sends an output signal
to the speedometer.
End Of Sie

TACHOMETER CONTROL OUTLINE

• The engine speed signal is output from the PCM to the microcomputer in the instrument cluster.
End Of Sie

TACHOMETER CONTROL CONSTRUCTION/OPERATION

System Wiring Diagram
Operation
• The engine speed signal sent from the PCM via
the CAN system is input to the microcomputer in
the instrument cluster. The microcomputer
calculates the current engine speed based on the
engine speed signal, and sends an output signal
to the tachometer.
End Of Sie
09–22–12
INSTRUMENTATION/DRIVER INFO.
IG1 B+
1G
1C
INSTRUMENT
CLUSTER
CAN CONTROL
CIRCUIT
1L 1J
PCM
IG1 B+
1G 1C
INSTRUMENT
CLUSTER
CAN CONTROL
CIRCUIT
1L 1J
PCM
E5U092255430N17
E5U092255430N18
SPEEDOMETER
MICROCOMPUTER
1E
E5U922ZS5009
E5U092255430N19
E5U092255430N20
TACHOMETER
MICROCOMPUTER
1E
E5U922ZS5010