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A/T Does Not Perform Lock-up =NHAT0099 SYMPTOM: 1 CHECK SELF-DIAGNOSTIC RESULTS Does self-diagnosis show damage to A/T fluid temperature sensor, vehicle speed sensor·A/T (revolution sensor), engine SAT734K Yes or No Yes © Check damaged circuit. Refer to “DTC P0710, P0720, P0725, P0740 or VEHICLE No © GO TO 2. 2 CHECK ACCELERATOR PEDAL POSITION SENSOR Check accelerator pedal position sensor. Refer to AT-188, “DTC P1705”. SAT516KB OK or NG OK © GO TO 3. NG © Repair or replace accelerator pedal position sensor. 3 DETECT MALFUNCTIONING ITEM 1. Remove control valve. Refer to AT-282. I Torque converter clutch control valve I Torque converter relief valve I Pilot valve I Pilot filter 3. Disassemble A/T. Refer to AT-293. I Torque converter OK or NG OK © GO TO 4. NG © Repair or replace damaged parts. GI MA EM LC EC FE AX SU BR ST RS BT HA SC EL IDX TROUBLE DIAGNOSES FOR SYMPTOMS A/T Does Not Perform Lock-up AT-249 |