Description
Electronic Control System (cont'd)
. GRADE LOGIC CONTROL SYSTEM
How it works:
The TCM compares actual driving conditions with driving conditions memorized in the TCM. based on the input trom
the vehicle speed sensor, throttle position sensor, engine coolant temperature sensor, brake switch signal and select
lever position signal, to control shifting while a vehicle is ascending or descending a slope. or reducing speed.
SIGNALS DETECTED
Dliving Resistance
Judgement of Controlling Area
Engine Coolant
TemDerature Sensor
. Flat road mode
. Asconding mode
(Fuzzy logic)
. Gradual Ascending
mode
. Steep Ascending
14-20