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5 CHECK SHIFT UP (D 3 TO D 4 ) Does A/T shift from D 3 to D 4 at the specified speed? Yes or No Yes © GO TO 9. No © Check control valve again. Repair or replace control valve assembly. 6 CHECK LINE PRESSURE SOLENOID VALVE 1. Remove control valve assembly. Refer to AT-273. SAT158J OK or NG OK © GO TO 7. NG © Replace solenoid valve assembly. GI MA EM LC EC FE TF PD AX SU BR ST RS BT HA SC EL IDX DTC P0734 IMPROPER SHIFTING TO 4TH GEAR POSITION Diagnostic Procedure (Cont’d) AT-145 |