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Automatic Transaxle Diagnosis - 4T80-E: Application Oldsmobile Aurora II

CLUTCH & BAND APPLICATIONS

Gearshift Lever PositionSolenoid PositionsElements In Use
"D" (Drive)
1st Gear1-2 ON/2-3 OFFForward Clutch, Low-Reverse Band, (1) Low-Roller & (1) Forward Sprag
2nd Gear1-2 OFF/2-3 OFFForward Clutch, 2nd Clutch, (1) 2nd Sprag & (1) Forward Sprag
3rd Gear1-2 OFF/2-3 ONForward Clutch, 2nd Clutch, 3rd Clutch & (1) Forward Sprag
Overdrive1-2 ON/2-3 ONForward Clutch, 2nd Clutch, 3rd Clutch & 4th Band
"3" (Manual 3rd)
3rd Gear1-2 OFF/2-3 ONForward Clutch, Coast Clutch, 2nd Clutch, 3rd Clutch & (1) Forward Sprag
2nd Gear1-2 OFF/2-3 OFFForward Clutch, 2nd Clutch, (1) 2nd Sprag & (1) Forward Sprag
1st Gear1-2 ON/2-3 OFFForward Clutch, Low-Reverse Band, (1) Low-Roller & (1) Forward Sprag
"2" (Manual 2nd)
2nd Gear1-2 OFF/2-3 OFFForward Clutch, Coast Clutch, 2nd Clutch, 4th Band, (1) 2nd Sprag & (1) Forward Sprag
1st Gear1-2 ON/2-3 OFFForward Clutch, Coast Clutch, Low-Reverse Band, (1) Low-Roller & (1) Forward Sprag
"1" (Manual Low)
2nd Gear1-2 OFF/2-3 OFFForward Clutch, Coast Clutch, 2nd Clutch, 4th Band, (1) 2nd Sprag & (1) Forward Sprag
1st Gear1-2 ON/2-3 OFFForward Clutch, Coast Clutch, Low-Reverse Band, (1) Low-Roller & (1) Forward Sprag
"R" (Reverse)1-2 ON/2-3 OFFReverse Band & Low-Reverse Band
"N"/"P" (Neutral/Park)1-2 ON/2-3 OFFLow-Reverse Band
(1) Holding.
(1)Holding.

CLUTCH & BAND APPLICATIONS