Acura RSX Honda Integra. Manual — part 235
08
D Position: Shifting between 1st gear and 2nd gear
14-65
TORQUE
CONVERTER
3RD CLUTCH
TRANSMISSION FLUID
PRESSURE
SWITCH
3RD
ACCUMULATOR
3RD
CLUTCH
1ST
CLUTCH
1ST
ACCUMULATOR
4TH
ACCUMULATOR
4TH
CLUTCH
5TH
CLUTCH 5TH
ACCUMULATOR
2ND
ACCUMULATOR
2ND
CLUTCH
2ND CLUTCH
TRANSMISSION FLUID
PRESSURE
SWITCH
30
30
95
30
10
95
10
40
40
50
20
95
20
20
91
90
94
LOCK-UP
SHIFT
VALVE
SHIFT
VALVE
C
SHIFT
VALVE
B
SHIFT
VALVE
A
10
3
4
X
57
SERVO CONTROL VALVE
SHIFT VALVE E
SHIFT
VALVE
D
ATF
COOLER
RELIEF VALVE
REGULATOR VALVE
SERVO VALVE
ATF PUMP
MANUAL VALVE
SHIFT
SOLENOID
VALVES
SA
A: OFF
B: ON
C: OFF
D: OFF
E: ON
A
B
C
X
X
X
X
X
SB
SC
SD
SE
55
X
1
X AX
56
X
4’’ X AX
57
4
X AX
X
A/T CLUTCH PRESSURE
CONTROL SOLENOID VALVES
1
1
1
50
X
X
X X
5A X X 56 5E
57
SC
X
SB
X
X
X X
X
X
SE
X
4
X
SD
X
X
X
X
X
X
X
X
X
55’
94
91
7
55
96 92
SE
4
5H
5B
5G
3C
5E
5C
5N
5L
5J
10
40
5F
50 30
1A
1B
55’
SA
3C
3’
3
5K
5K
20
5L
5J
1A
55’
57 X 1
93
90
93
90
96
92
55 97
93
95
7
99
92
95
1
1
3’
4’
4’’
3
7
1
4
93
5F
90
5H 5C
5B 5G
3B
3A
3A
X
1B
5A
5A
5N
TORQUE
CONVERTER
CHECK
VALVE
COOLER
CHECK
VALVE
LOCK-UP
CONTROL
VALVE
AX
HX
AX
HX
4’
IDLER
SHAFT
IDLER GEAR
MAINSHAFT
COUNTERSHAFT
FINAL DRIVE
GEAR
SECONDARY
SHAFT
3B 3A
As the speed of the vehicle reaches the prescribed value, the PCM turns shift solenoid valve A OFF, and keeps B and C
ON, and D and E OFF. Shift solenoid valve A pressure (SA) in the right side of the shift valve A is released. Shift valve
A is moved to the right side to uncover the A/T clutch pressure control solenoid valve pressure ports leading to the 1st
and 2nd clutches. The PCM controls the A/T clutch pressure control solenoid valves to regulate hydraulic pressure. A/T
clutch pressure control solenoid valve A pressure (55) changes to 1st clutch pressure (10) at the shift valve B, and A/T
clutch pressure control solenoid valve B pressure (56) changes to 2nd clutch pressure (20) at shift valve A. The 1st and
2nd clutches are engaged gently.
NOTE: When used, ‘‘left’’ or ‘‘right’’ indicates direction on the hydraulic circuit.
(cont’d)
05/06/27 17:49:11 61S6M040_140_0066
→
−
→
−
→
−
→
−
→
09
Hydraulic Flow (cont’d)
D Position: Driving in 2nd gear
14-66
Automatic Transmission
System Description (cont’d)
TORQUE
CONVERTER
3RD CLUTCH
TRANSMISSION FLUID
PRESSURE
SWITCH
3RD
ACCUMULATOR
3RD
CLUTCH
1ST
CLUTCH
1ST
ACCUMULATOR
4TH
ACCUMULATOR
4TH
CLUTCH
5TH
CLUTCH 5TH
ACCUMULATOR
2ND
ACCUMULATOR
2ND
CLUTCH
2ND CLUTCH
TRANSMISSION FLUID
PRESSURE
SWITCH
30
30
95
30
10
95
10
40
40
50
20
95
20
20
91
90
94
LOCK-UP
SHIFT
VALVE
SHIFT
VALVE
C
SHIFT
VALVE
B
SHIFT
VALVE
A
10
3
4
X
57
SERVO CONTROL VALVE
SHIFT VALVE E
SHIFT
VALVE
D
ATF
COOLER
RELIEF VALVE
REGULATOR VALVE
SERVO VALVE
ATF PUMP
MANUAL VALVE
SHIFT
SOLENOID
VALVES
SA
A: OFF
B: ON
C: OFF
D: ON
E: OFF
A
B
C
X
X
X
X
X
SB
SC
SD
SE
55
X
1
X AX
56
X
4’’ X AX
57
4
X AX
X
A/T CLUTCH PRESSURE
CONTROL SOLENOID VALVES
1
1
1
50
X
X
X X
5A X X 56 5E
57
SC
X
SB
X
X
X X
X
X
SE
X
4
X
SD
X
X
X
X
X
X
X
X
X
55’
94
91
7
55
96 92
SE
4
5H
5B
5G
3C
5E
5C
5N
5L
5J
10
40
5F
50 30
1A
1B
55’
SA
3C
3’
3
5K
5K
20
5L
5J
1A
55’
57 X 1
93
90
93
90
96
92
55 97
93
95
7
99
92
95
1
1
3’
4’
4’’
3
7
1
4
93
5F
90
5H 5C
5B 5G
3B
3A
3A
X
1B
5A
5A
5N
TORQUE
CONVERTER
CHECK
VALVE
COOLER
CHECK
VALVE
LOCK-UP
CONTROL
VALVE
AX
HX
AX
HX
4’
IDLER
SHAFT
IDLER GEAR
MAINSHAFT
COUNTERSHAFT
FINAL DRIVE
GEAR
SECONDARY
SHAFT
3B 3A
The PCM turns shift solenoid valves C OFF, D ON, and keeps A and E OFF, and B ON. Shift solenoid valve C pressure
(SC) in the right side of the shift valve C is released. Shift valve C is moved to the right side to switch the ports. This
movement covers A/T clutch pressure control solenoid valve pressure ports to stop at shift valves C and A, and
uncover the line pressure port leading to the 2nd clutch.
Fluid flows to 2nd clutch by way of:
Line pressure (1)
Manual valve
Line pressure (4)
Shift valve C
Line pressure (5E)
Shift valve B
Line
pressure (5F)
Shift valve A
2nd clutch pressure (20)
2nd clutch
The 2nd clutch pressure (20) is applied to the 2nd clutch, and the 2nd clutch is engaged securely.
NOTE: When used, ‘‘left’’ or ‘‘right’’ indicates direction on the hydraulic circuit.
05/06/27 17:49:12 61S6M040_140_0067
10
D Position: Shifting between 2nd gear and 3rd gear
14-67
TORQUE
CONVERTER
3RD CLUTCH
TRANSMISSION FLUID
PRESSURE
SWITCH
3RD
ACCUMULATOR
3RD
CLUTCH
1ST
CLUTCH
1ST
ACCUMULATOR
4TH
ACCUMULATOR
4TH
CLUTCH
5TH
CLUTCH 5TH
ACCUMULATOR
2ND
ACCUMULATOR
2ND
CLUTCH
2ND CLUTCH
TRANSMISSION FLUID
PRESSURE
SWITCH
30
30
95
30
10
95
10
40
40
50
20
95
20
20
91
90
94
LOCK-UP
SHIFT
VALVE
SHIFT
VALVE
C
SHIFT
VALVE
B
SHIFT
VALVE
A
10
3
4
X
57
SERVO CONTROL VALVE
SHIFT VALVE E
SHIFT
VALVE
D
ATF
COOLER
RELIEF VALVE
REGULATOR VALVE
SERVO VALVE
ATF PUMP
MANUAL VALVE
SHIFT
SOLENOID
VALVES
SA
A: OFF
B: ON
C: ON
D: ON
E: OFF
A
B
C
X
X
X
X
X
SB
SC
SD
SE
55
X
1
X AX
56
X
4’’ X AX
57
4
X AX
X
A/T CLUTCH PRESSURE
CONTROL SOLENOID VALVES
1
1
1
50
X
X
X X
5A X X 56 5E
57
SC
X
SB
X
X
X X
X
X
SE
X
4
X
SD
X
X
X
X
X
X
X
X
X
55’
94
91
7
55
96 92
SE
4
5H
5B
5G
3C
5E
5C
5N
5L
5J
10
40
5F
50 30
1A
1B
55’
SA
3C
3’
3
5K
5K
20
5L
5J
1A
55’
57 X 1
93
90
93
90
96
92
55 97
93
95
7
99
92
95
1
1
3’
4’
4’’
3
7
1
4
93
5F
90
5H 5C
5B 5G
3B
3A
3A
X
1B
5A
5A
5N
TORQUE
CONVERTER
CHECK
VALVE
COOLER
CHECK
VALVE
LOCK-UP
CONTROL
VALVE
AX
HX
AX
HX
4’
IDLER
SHAFT
IDLER GEAR
MAINSHAFT
COUNTERSHAFT
FINAL DRIVE
GEAR
SECONDARY
SHAFT
3B 3A
As the speed of the vehicle reaches the prescribed value, the PCM turns shift solenoid valves C ON, and keeps A and E
OFF, and B and D ON. Shift solenoid valve C pressure (SC) is applied to the right side of the shift valve C. Shift valve C
is moved to the left side to uncover the A/T clutch pressure control solenoid valve pressure ports leading to the 2nd
and 3rd clutches. The PCM controls the A/T clutch pressure control solenoid valves to regulate hydraulic pressure. A/T
clutch pressure control solenoid valve B pressure (56) changes to 2nd clutch pressure (20) at the shift valve A, and A/T
clutch pressure control solenoid valve C pressure (57) changes to 3rd clutch pressure (30) at the shift valve A. The 2nd
and 3rd clutches are engaged gently.
NOTE: When used, ‘‘left’’ or ‘‘right’’ indicates direction on the hydraulic circuit.
(cont’d)
05/06/27 17:49:13 61S6M040_140_0068
11
Hydraulic Flow (cont’d)
D Position: Driving in 3rd gear
14-68
Automatic Transmission
System Description (cont’d)
TORQUE
CONVERTER
3RD CLUTCH
TRANSMISSION FLUID
PRESSURE
SWITCH
3RD
ACCUMULATOR
3RD
CLUTCH
1ST
CLUTCH
1ST
ACCUMULATOR
4TH
ACCUMULATOR
4TH
CLUTCH
5TH
CLUTCH 5TH
ACCUMULATOR
2ND
ACCUMULATOR
2ND
CLUTCH
2ND CLUTCH
TRANSMISSION FLUID
PRESSURE
SWITCH
30
30
95
30
10
95
10
40
40
50
20
95
20
20
91
90
94
LOCK-UP
SHIFT
VALVE
SHIFT
VALVE
C
SHIFT
VALVE
B
SHIFT
VALVE
A
10
3
4
X
57
SERVO CONTROL VALVE
SHIFT VALVE E
SHIFT
VALVE
D
ATF
COOLER
RELIEF VALVE
REGULATOR VALVE
SERVO VALVE
ATF PUMP
MANUAL VALVE
SHIFT
SOLENOID
VALVES
SA
A: OFF
B: OFF
C: ON
D: OFF
E: OFF
A
B
C
X
X
X
X
X
SB
SC
SD
SE
55
X
1
X AX
56
X
4’’ X AX
57
4
X AX
X
A/T CLUTCH PRESSURE
CONTROL SOLENOID VALVES
1
1
1
50
X
X
X X
5A X X 56 5E
57
SC
X
SB
X
X
X X
X
X
SE
X
4
X
SD
X
X
X
X
X
X
X
X
X
55’
94
91
7
55
96 92
SE
4
5H
5B
5G
3C
5E
5C
5N
5L
5J
10
40
5F
50 30
1A
1B
55’
SA
3C
3’
3
5K
5K
20
5L
5J
1A
55’
57 X 1
93
90
93
90
96
92
55 97
93
95
7
99
92
95
1
1
3’
4’
4’’
3
7
1
4
93
5F
90
5H 5C
5B 5G
3B
3A
3A
X
1B
5A
5A
5N
TORQUE
CONVERTER
CHECK
VALVE
COOLER
CHECK
VALVE
LOCK-UP
CONTROL
VALVE
AX
HX
AX
HX
4’
IDLER
SHAFT
IDLER GEAR
MAINSHAFT
COUNTERSHAFT
FINAL DRIVE
GEAR
SECONDARY
SHAFT
3B 3A
The PCM turns shift solenoid valves B and D OFF, and keeps A and E OFF, and C ON. Shift solenoid valve B pressure
(SB) in the right side of the shift valve B is released, and shift valve B is moved to the right side. Shift solenoid valve D
pressure (SD) in the left side of shift valve D is released, and shift valve D is moved to the left side. This valve
movement switches the A/T clutch pressure control solenoid valve C pressure port leading to the 3rd clutch.
A/T clutch pressure control solenoid valve C pressure (57) changes to (5J) at the shift solenoid valve D and to (5K) at
the shift valve B, and becomes 3rd clutch pressure (30) at the shift valve A. The 3rd clutch pressure (30) is applied to
the 3rd clutch, and the 3rd clutch is engaged securely.
NOTE: When used, ‘‘left’’ or ‘‘right’’ indicates direction on the hydraulic circuit.
05/06/27 17:49:14 61S6M040_140_0069
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