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AT-232 [EURO-OBD] TROUBLE DIAGNOSES FOR SYMPTOMS 12. A/T Does Not Perform Lock-up ECS0099K SYMPTOM: 1. CHECK SELF-DIAGNOSTIC RESULTS Does self-diagnosis show damage to torque converter clutch sole- Yes or No Yes >> Check torque converter clutch solenoid valve circuit. Refer to AT-161, "DTC P0740 TORQUE CONVERTER . No >> GO TO 2 2. CHECK THROTTLE POSITION SENSOR* *: This sensor means accelerator pedal position (APP) sensor. AT-183, "DTC P1705 ACCELERATOR PEDAL POSITION . OK or NG OK >> GO TO 3 NG >> Repair or replace throttle position sensor. 3. DETECT MALFUNCTIONING ITEM 1. Remove control valve. Refer to AT-410, "Control Valve Assembly and Accumulators" . 2. Check following items: – Torque converter clutch control valve – Torque converter relief valve – Torque converter clutch solenoid valve – Pilot valve – Pilot filter OK or NG OK >> GO TO 4 NG >> Repair or replace damaged parts. 4. CHECK SYMPTOM Check again. OK or NG OK >> INSPECTION END NG >> 1. Perform TCM input/output signal inspection. 2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector. SCIA0772E MCIA0096E |