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AT-260 [EXC.F/EURO-OBD] TROUBLE DIAGNOSIS — INTRODUCTION 4. 4- Cruise test Part-1 ❏ 8. Vehicle Cannot Be Started From D 1 , . ❏ 9. A/T Does Not Shift: D 1 → D 2 Or Does Not Kickdown: D 4 → D 2 , . ❏ 10. A/T Does Not Shift: D 2 → D 3 , . ❏ 11. A/T Does Not Shift: D 3 → D 4 , . ❏ 12. A/T Does Not Perform Lock-up, . ❏ 13. A/T Does Not Hold Lock-up Condition, . ❏ 14. Lock-up Is Not Released, . ❏ 15. Engine Speed Does Not Return To Idle (Light Braking D 4 → D 3 ), . Part-2 ❏ 16. Vehicle Does Not Start From D 1 , . ❏ 9. A/T Does Not Shift: D 1 → D 2 Or Does Not Kickdown: D 4 → D 2 , . ❏ 10. A/T Does Not Shift: D 2 → D 3 , . ❏ 11. A/T Does Not Shift: D 3 → D 4 , . Part-3 ❏ 17. A/T Does Not Shift: D 4 → D 3 When Overdrive Control Switch “ON” → “OFF”, . ❏ 15. Engine Speed Does Not Return To Idle (Engine Brake In D 3 ), . ❏ 18. A/T Does Not Shift: D 3 → 2 2 , When Selector Lever “D” → “2” Position, . ❏ 15. Engine Speed Does Not Return To Idle (Light Braking D 4 → D 3 ), . ❏ 19. A/T Does Not Shift: 2 2 → 1 1 , When Selector Lever “2” → “1” Position, . ❏ 20. Vehicle Does Not Decelerate By Engine Brake, . ❏ 21. TCM Self-diagnosis Does Not Activate (PNP & Overdrive Control Switches, and throttle position sen- sor Circuit Checks), . ❏ SELF-DIAGNOSTIC PROCEDURE — Mark detected items. ❏ Vehicle speed sensor·A/T (Revolution sensor), . ❏ Vehicle speed sensor·MTR, . ❏ Accelerator pedal position (APP) sensor, . ❏ Shift solenoid valve A, . ❏ Shift solenoid valve B, . ❏ Overrun clutch solenoid valve, . ❏ Torque converter clutch solenoid valve, . ❏ Batt/fluid temp sen (A/T fluid temperature sensor and TCM power source), . ❏ Engine speed signal, . ❏ Line pressure solenoid valve, . ❏ CAN communication line, . ❏ Control unit (RAM), control unit (ROM), . ❏ Control unit (EEP ROM), . ❏ PNP & overdrive control switches, and throttle position sensor, . ❏ Battery ❏ Others 5. ❏ For self-diagnosis NG items, inspect each component. Repair or replace the damaged parts. AT-252, 6. ❏ Perform all ROAD TEST and re-mark required procedures. |