EC-AT OPERATION CHART [5R55S]

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Solenoid Operation Chart

Selector position		Gear position	Shift solenoid A	Shift solenoid B	Shift solenoid C	Shift solenoid D	Pressure control solenoid A	Pressure control solenoid B	Pressure control solenoid C
P	—	—	On	Off	Off	On	Low	High/Low	Low
R	—	Reverse	On	Off	Off	On	Low/High	Low	High
N	—	—	On	Off	Off	On	Low	High/Low	Low
D	Normal	1GR	On	Off	Off	On	High	High/Low	Low
		2GR	On	Off	On	On	Low/High	High	Low
		3GR	On	On	Off	On	High	Low/High	Low
		4GR	Off	Off	Off	On	High	Low/High	High
		5GR	Off	Off	On	On	High	High/Low	High
	O/D OFF	1GR	On	Off	Off	On	High	High/Low	Low
		2GR	On	Off	On	On	Low/High	High	Low
		3GR	On	On	Off	On	High	Low/High	Low
		4GR	Off	Off	Off	Off	Low/High	High	High
3	—	3GR	On	On	Off	Off	High	Low	High/Low
2	—	2GR	On	Off	On	Off	High	Low	High/Low
1	—	1GR	On	Off	Off	Off	High	Low	High/Low

Band and Clutch Application Chart A

Selector position		Gear position	Overdrive band	Intermediate band	Low/reverse band	Forward clutch	Direct clutch	Coast clutch
P	—	—	—	—	—	—	—	—
R	—	Reverse	—	—	A	—	A	Ac
N	—	—	—	—	—	—	—	—
D	Normal	1GR	—	—	—	A	—	—
		2GR	A	—	—	A	—	—
		3GR	—	A	—	A	—	—
		4GR	—	—	—	A	A	—
		5GR	A	—	—	A	A	—
	O/D OFF	1GR	—	—	—	A	—	—
		2GR	A	—	—	A	—	—
		3GR	—	—	—	A	—	—
		4GR	—	—	—	A	A	Ac
3	—	3GR		Ac	—	A	—	Ac
2	—	2GR	A	—	Ac	A	—	—
1	—	1GR	—	—	Ac	A	—	Ac

Band and Clutch Application Chart B

Selector position		Gear position	Direct one-way clutch		Low/reverse one-way clutch		Engine braking
			Drive	Coast	Drive	Coast
P	—	—	—	—	—	—	—
R	—	Reverse	H	NE	NE	NE	No
N	—	—	—	—	—	—	—
D	Normal	1GR	H	NE	H	NE	No
		2GR	OR	OR	H	NE	No
		3GR	H	NE	OR	OR	No
		4GR	H	NE	OR	OR	No
		5GR	OR	OR	OR	OR	Yes
	O/D OFF	1GR	H	NE	H	NE	Yes
		2GR	OR	OR	H	NE	Yes
		3GR	H	NE	OR	OR	Yes
		4GR	H	NE	OR	OR	Yes
3	—	3GR	H	NE	OR	OR	Yes
2	—	2GR	OR	OR	H	NE	Yes
1	—	1GR	H	NE	H	NE	Yes