Sunday, 17 July 2011

Electronic transmissions

Terminology:
Abbreviations
PCM=powertrain control module
TCC=torque converter
TPS=throttle position sensor
ECT=engine coolant temperature
VSS=vehicle speed sensor
PSA=pressure switch assembly
TTS=trans temp sensor

Shift solenoids
which solenoids are "on" when this vehicle is shifted into drive and it starts out in 1st gear?
2nd and OD

which solenoids are on when this vehicle automatically shifts into second gear?
OD and LR

which solenoids are on when this vehicle automatically shifts into 3rd gear?
LR and 2nd

which solenoids are on when this vehicle automatically shifts into forth gear?
LR and UD

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