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Mitsubishi Galant (2004+). Manual - part 1727
GENERAL DESCRIPTION
TRACTION CONTROL SYSTEM (TCL)
13D-3
COMPONENTS AND FUNCTIONS
COMPONENT
FUNCTION
ABS/TCL-ECU
•
The wheelspin of the drive wheels (front wheels) is detected based on
signals from the wheel spin sensors.
•
Engine control information is sent to PCM, based on wheelspin
information and the engine information from PCM.
•
The diagnostic trouble code and input check code are sent to the data
link connector.
•
An illumination signal is sent to the "TCL OFF" indicator light, based on
the signal from the TCL switch.
•
An illumination signal is sent to the TCL work indicator light, based on
the TCL operation state.
Data link connector
If the MUT-III scan tool is connected, the diagnostic trouble code and input
check code from the ABS/TCL-ECU can be read.
PCM
•
The engine information necessary for TCL control is sent to
ABS/TCL-ECU.
•
The engine control information from ABS/TCL-ECU is used to determine
engine output.
"TCL OFF" indicator light
•
Turns ON when the TCL switch is turned OFF, and notifies the TCL
function is inactive.
•
Turns ON or flashes when the TCL function is inactive because of the
TCL system fail-safe function, and notifies the abnormal condition in the
TCL system.
TCL switch
Turns ON and OFF the TCL function through switch operations.
TCL work indicator light
•
Flashes when TCL is operating to notify the operation.
•
Illuminates when TCL fails to notify trouble.
Wheel speed sensor
Outputs signals directly proportional to the rotation speed of each wheel, to
ABS/TCL-ECU.