Vehicle Does Not Decelerate By Engine Brake

20. Vehicle Does Not Decelerate By Engine Brake

SYMPTOM: Vehicle does not decelerate by engine brake when shifting from 2[2] (1[2]) to 1[1].

1. CHECK SYMPTOM
Is 6. Vehicle Does Not Creep Backward In R Position OK?
Yes or No
Yes >> Go to AT-622, 15. Engine Speed Does Not Return To Idle (Light Braking D4 -> D3). Engine Speed Does Not Return to Idle (Light Braking D2 -> D3)
No >> Go to AT-604, 6. Vehicle Does Not Creep Backward In R Position. Vehicle Does Not Creep Backward In R Position