DI−788
Chapter 3: Off−vehicle Repair
(L: U341E AUTOMATIC TRANSAXLE Repair Manual Pub. No. RM735U)
Vehicle does not move in any forward positions and reverse posi-
tion
Vehicle does not move in R position
No up−shift (1st → 2nd)
No up−shift (2nd → 3rd)
No up−shift (3rd → O/D)
No lock−up or No lock−up off
Harsh engagement (N → D)
Harsh engagement (N → R)
Harsh engagement (Lock−up)
Harsh engagement (1st → 2nd)
Harsh engagement (2nd → 3rd)
Harsh engagement (3rd → O/D)
Slip or shudder (Forward position)
Slip or shudder (Reverse position)
Slip or shudder (1st)
Slip or shudder (2nd)
Slip or shudder (3rd)
Slip or shudder (O/D)
No engine braking (1st: L position)
No engine braking (2nd: 2 position)
Poor acceleration (All position)
Large shift shock or engine stalls when starting off or stopping
2005 CELICA (RM1131U)
DIAGNOSTICS
Symptom
−
AUTOMATIC TRANSAXLE (U341E)
Suspected Area
1. Planetary gear unit
2. Forward clutch
3. One−way clutch No. 2
4. Reverse Clutch
5. 1st and reverse brake
1. Planetary gear unit
2. Reverse Clutch
3. 1st and reverse brake
1. 2nd brake
2. One−way clutch No. 1
Direct clutch
O/D and 2nd brake
Torque converter clutch
1. Forward clutch
2. One−way clutch No. 2
1. Reverse clutch
2. 1st and reverse brake
Torque converter clutch
1. 2nd brake
2. One−way clutch No. 1
Direct clutch
O/D and 2nd brake
1. Torque converter clutch
2. Forward clutch
3. Direct clutch
4. O/D and 2nd brake
5. 2nd brake
6. One−way clutch No. 1
7. One−way clutch No. 2
1. Reverse clutch
2. 1st and reverse brake
One−way clutch No. 2
1. 2nd brake
2. One−way clutch No. 1
Direct clutch
O/D and 2nd brake
1st and reverse brake
O/D and 2nd brake
Torque converter clutch
Torque converter clutch
988
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