Toyota Celica 2005 Repair Manual page 1009

DI−808
2 Check valve body (See page DI−785).
OK
3 Check the torque converter clutch (See page AX−36).
OK
Repair the transaxle (See page AX−30).
2005 CELICA (RM1131U)
DIAGNOSTICS − AUTOMATIC TRANSAXLE (U341E)
NG Repair or replace the valve body.
NG Repair the torque converter clutch.
1008