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5A-42 Automatic Transmission/Transaxle: Trouble Diagnosis 3 Incorrect shift point Engine abnormal condition Inspect and repair engine Malfunction of output shaft speed Inspect. If NG, replace. Malfunction of accelerator pedal position Inspect referring to “DTC P0122: Throttle Non operate TCC / lock-up Malfunction of lock-up solenoid valve Inspect. If NG, replace. Malfunction of shaft solenoid valve No.1 Inspect. If NG, replace. Malfunction of output shaft speed Inspect. If NG, replace. Malfunction of input shaft speed sensor Inspect. If NG, replace. Inspect. If NG, replace. Malfunction of transmission fluid Inspect. If NG, replace. Malfunction of pressure control solenoid Inspect. If NG, replace valve body assembly. Malfunction of brake light switch Inspect referring to “Stop (Brake) Lamp Switch Malfunction of accelerator pedal position Inspect referring to “DTC P0122: Throttle Faulty valve body component Replace valve body assembly. Excessive “N” → “D” or “N” → “R” time lag Pressure control solenoid valve circuit Inspect. If NG, replace valve body assembly. Clogged oil strainer Replace. Faulty valve body component Replace valve body assembly. Condition Possible cause Correction / Reference Item Condition Possible cause Correction / Reference Item Unable to run in all range Faulty oil pump Inspect. If NG, replace. Seized or broken planetary gear Inspect. If NG, replace. Fluid pressure leakage to overdrive Inspect. If NG, replace. Damaged drive plate Inspect. If NG, replace. Faulty torque converter Replace. Excessive “N” → “D” shift shock Faulty forward clutch Inspect. If NG, replace. Excessive “N” → “R” shift shock Faulty reverse brake Inspect. If NG, replace. Faulty direct clutch Inspect. If NG, replace. Poor 1 → 2 shift, excessive shock or Faulty second brake Inspect. If NG, replace. Faulty one-way clutch No.1 Inspect. If NG, replace. Faulty one-way clutch No.2 Inspect. If NG, replace. Poor 2 → 3 shift, excessive shock or Faulty direct clutch Inspect. If NG, replace. Faulty one-way clutch No.1 Inspect. If NG, replace. |