Procedure 15

15. Engine Speed Does Not Return To Idle (Light Braking D4 --> D3)
SYMPTOM:
^ Engine speed does not smoothly return to idle when A/T shifts from D4 to D3.
^ Vehicle does not decelerate by engine brake when turning overdrive control switch OFF.
^ Vehicle does not decelerate by engine brake when shifting A/T from "D" to "2" position.