A/T Does Not Shift: D3->D4

A/T Does Not Shift: D3-> D4





1: CHECK SYMPTOM





2: CHECK SELF-DIAGNOSTIC RESULTS





3: CHECK THROTTLE POSITION SENSOR





4: CHECK A/T FLUID CONDITION





5: DETECT MALFUNCTIONING ITEM





6: CHECK SYMPTOM





7: DETECT MALFUNCTIONING ITEM

SYMPTOM:
- A/T does not shift from D(3) to D(4) at the specified speed.
- A/T must be warm before D(3) to D(4) shift will occur.