Narrowing-Down Malfunctioning Parts

Selector lever position			Possible cause
D	R		Possible cause
Stall speed	H	O	Low brake
	O	H	Reverse brake
	L	L	Engine Torque converter one way clutch
	H	H	Line pressure is low. Primary pulley Secondary pulley Steel belt

O: Within the stall speed standard value

H: Stall speed is higher than the standard value.

L: Stall speed is lower than the standard value.