Honda Odyssey 2004. Manual — part 225
*09
Hydraulic Flow (cont’d)
D Position: 1st gear shifting from the N position
14-294
Automatic Transmission
System Description (cont’d)
TORQUE
CONVERTER
CLUTCH
SOLENOID
VALVE
94
90
91
TORQUE
CONVERTER
6
LA
LOCK-UP
TIMING VALVE
90 91
X X
90’ 91’
58
91’
91
96 92
93
95
X
6
90’
96
58 96
X90
X
92
LOCK-UP
CONTROL
VALVE
95
2
X
X
95
RELIEF VALVE
90
93
93’
X
TORQUE
CONVERTER
CHECK VALVE
COOLER CHECK
VALVE
ATF FILTER
99
1
92 1
REGULATOR VALVE
95
95’
X
LUBRICATION
CHECK VALVE
ATF PUMP
REVERSE
CPC
VALVE
SERVO VALVE
10
3
3’’
3’
X
SERVO
CONTROL
VALVE
3’
4’
4’’
X
3
9
4 X
4’’
4’
10
1
6
MODULATOR VALVE
3’’
MANUAL VALVE
4
2
51
50
1
3
3’’
57
5
56
58
SB
X
6
X
X
56
4
4
X
4B
57
6
4
4 H1X
4
5B H2X
5C
4B
SC
KICK-DOWN VALVE
H9X
KICK-DOWN
SHORT VALVE
4A
30
4C
X
55
4
SA
X5B 5A 5B 51
5H
5H
9
5F
5M
5D
SB
5J 4A 25
5TH
ACCUMULATOR
5TH CLUTCH
3RD
ACCUMULATOR
1ST/1ST-HOLD CLUTCH
1ST ACCUMULATOR
1ST-HOLD/4TH
ACCUMULATOR
40
15
4C
10
15 10 20 2ND
CLUTCH
30
30
40 50
55
50
ON
OFF
OFF
X
X
4TH CLUTCH
3RD CLUTCH
3RD CLUTCH
TRANSMISSION FLUID
PRESSURE
SWITCH
2ND ACCUMULATOR
4TH CLUTCH
TRANSMISSION FLUID
PRESSURE
SWITCH
LA 94
LOCK-UP
SHIFT
VALVE
95
25
A/T CLUTCH PRESSURE
CONTROL SOLENOID
VALVE A
A/T CLUTCH PRESSURE
CONTROL SOLENOID
VALVE C
A/T CLUTCH PRESSURE
CONTROL SOLENOID
VALVE B
SHIFT SOLENOID
VALVE B
SHIFT SOLENOID
VALVE C
SHIFT SOLENOID
VALVE A
6
6
CPC VALVE A
CPC VALVE B
5D 4A
SHIFT VALVE C
SHIFT VALVE E
4C
1
CPC
VALVE C
H3X
SA
5J
5G
50X
5E
5F
SHIFT VALVE B
15
SHIFT
VALVE D
40
H4X
93
MAINSHAFT
COUNTERSHAFT
SECONDARY
SHAFT
4A AX
5A
5E
20
AX
57 SC
H10X
SHIFT
VALVE A
H5X
X 58
H6X
5M X
HX
AX
HX HX
AX
HX
HX AX
HX
HX AX
SC
5A
10
5N
SBX9
5K
58
5D 5G
5H 5C 5K
30
Shift solenoid valves remain the same as in the N position when shifting to the D position from the N position. The
manual valve is moved to the D position, and switches the port of line pressure (4) leading to shift valve C and CPC
valve B. Line pressure (4) flows to the 1st clutch via the orifice. Line pressure (1) becomes CPC C pressure (4C) at CPC
valve C, then goes to the 1st accumulator back side. Line pressure (4) also becomes the CPC B pressure (4B) at the CPC
B valve. CPC B pressure goes to the 3rd clutch, via the shift valves C, B, and A, and the 3rd clutch is engaged. The 1st
clutch is engaged gently when shifting to the D position from the N position.
NOTE: When used, ‘‘left’’ or ‘‘right’’ indicates direction on the hydraulic circuit.
03/07/29 09:37:26 61S0X050_140_0297
*10
D Position: Driving in 1st gear
14-295
TORQUE
CONVERTER
CLUTCH
SOLENOID
VALVE
94
90
91
TORQUE
CONVERTER
6
LA
LOCK-UP
TIMING VALVE
90 91
X X
90’ 91’
58
91’
91
96 92
93
95
X
6
90’
96
58 96
X90
X
92
LOCK-UP
CONTROL
VALVE
95
2
X
X
95
RELIEF VALVE
90
93
93’
X
TORQUE
CONVERTER
CHECK VALVE
COOLER CHECK
VALVE
ATF FILTER
99
1
92 1
REGULATOR VALVE
95
95’
X
LUBRICATION
CHECK VALVE
ATF PUMP
REVERSE
CPC
VALVE
SERVO VALVE
10
3
3’’
3’
X
SERVO
CONTROL
VALVE
3’
4’
4’’
X
3
9
4 X
4’’
4’
10
1
6
MODULATOR VALVE
3’’
MANUAL VALVE
4
2
51
50
1
3
3’’
57
5
56
58
SB
X
6
X
X
56
4
4
X
4B
57
6
4
4 H1X
4
5B H2X
5C
4B
SC
KICK-DOWN VALVE
H9X
KICK-DOWN
SHORT VALVE
4A
30
4C
X
55
4
SA
X5B 5A 5B 51
5H
5H
9
5F
5M
5D
SB
5J 4A 25
5TH
ACCUMULATOR
5TH CLUTCH
3RD
ACCUMULATOR
1ST/1ST-HOLD CLUTCH
1ST ACCUMULATOR
1ST-HOLD/4TH
ACCUMULATOR
40
15
4C
10
15 10 20 2ND
CLUTCH
30
30
40 50
55
50
ON
ON
ON
X
X
4TH CLUTCH
3RD CLUTCH
3RD CLUTCH
TRANSMISSION FLUID
PRESSURE
SWITCH
2ND ACCUMULATOR
4TH CLUTCH
TRANSMISSION FLUID
PRESSURE
SWITCH
LA 94
LOCK-UP
SHIFT
VALVE
95
25
A/T CLUTCH PRESSURE
CONTROL SOLENOID
VALVE A
A/T CLUTCH PRESSURE
CONTROL SOLENOID
VALVE C
A/T CLUTCH PRESSURE
CONTROL SOLENOID
VALVE B
SHIFT SOLENOID
VALVE B
SHIFT SOLENOID
VALVE C
SHIFT SOLENOID
VALVE A
6
6
CPC VALVE A
CPC VALVE B
5D 4A
SHIFT VALVE C
SHIFT VALVE E
4C
1
CPC
VALVE C
H3X
SA
5J
5G
50X
5E
5F
SHIFT VALVE B
15
SHIFT
VALVE D
40
H4X
93
MAINSHAFT
COUNTERSHAFT
SECONDARY
SHAFT
4A AX
5A
5E
20
AX
57 SC
H10X
SHIFT
VALVE A
H5X
X 58
H6X
5M X
HX
AX
HX HX
AX
HX
HX AX
HX
HX AX
SC
5A
10
5N
SBX9
5K
58
5D 5G
5H 5C 5K
30
The PCM turns shift solenoid valves A and C ON, and shift solenoid valve B keeps ON. SH A pressure (SA) in the right
side of shift valves A and E is released, and shift valves A and E are moved to the right side. SH C pressure (SC) in the
right side of shift valve C is released, and modulator pressure (6) is applied to the left side of shift valve C. Shift valve C
is moved to the right side. These valve movements release CPC C pressure (4C) from the back of the 1st accumulator
and the 3rd clutch, and the 1st clutch is engaged securely.
NOTE: When used, ‘‘left’’ or ‘‘right’’ indicates direction on the hydraulic circuit.
(cont’d)
03/07/29 09:37:28 61S0X050_140_0298
*11
Hydraulic Flow (cont’d)
D Position: Shifting between 1st gear and 2nd gear
14-296
Automatic Transmission
System Description (cont’d)
TORQUE
CONVERTER
CLUTCH
SOLENOID
VALVE
94
90
91
TORQUE
CONVERTER
6
LA
LOCK-UP
TIMING VALVE
90 91
X X
90’ 91’
58
91’
91
96 92
93
95
X
6
90’
96
58 96
X90
X
92
LOCK-UP
CONTROL
VALVE
95
2
X
X
95
RELIEF VALVE
90
93
93’
X
TORQUE
CONVERTER
CHECK VALVE
COOLER CHECK
VALVE
ATF FILTER
99
1
92 1
REGULATOR VALVE
95
95’
X
LUBRICATION
CHECK VALVE
ATF PUMP
REVERSE
CPC
VALVE
SERVO VALVE
10
3
3’’
3’
X
SERVO
CONTROL
VALVE
3’
4’
4’’
X
3
9
4 X
4’’
4’
10
1
6
MODULATOR VALVE
3’’
MANUAL VALVE
4
2
51
50
1
3
3’’
57
5
56
58
SB
X
6
X
X
56
4
4
X
4B
57
6
4
4 H1X
4
5B H2X
5C
4B
SC
KICK-DOWN VALVE
H9X
KICK-DOWN
SHORT VALVE
4A
30
4C
X
55
4
SA
X5B 5A 5B 51
5H
5H
9
5F
5M
5D
SB
5J 4A 25
5TH
ACCUMULATOR
5TH CLUTCH
3RD
ACCUMULATOR
1ST/1ST-HOLD CLUTCH
1ST ACCUMULATOR
1ST-HOLD/4TH
ACCUMULATOR
40
15
4C
10
15 10 20 2ND
CLUTCH
30
30
40 50
55
50
ON
ON
ON
X
X
4TH CLUTCH
3RD CLUTCH
3RD CLUTCH
TRANSMISSION FLUID
PRESSURE
SWITCH
2ND ACCUMULATOR
4TH CLUTCH
TRANSMISSION FLUID
PRESSURE
SWITCH
LA 94
LOCK-UP
SHIFT
VALVE
95
25
A/T CLUTCH PRESSURE
CONTROL SOLENOID
VALVE A
A/T CLUTCH PRESSURE
CONTROL SOLENOID
VALVE C
A/T CLUTCH PRESSURE
CONTROL SOLENOID
VALVE B
SHIFT SOLENOID
VALVE B
SHIFT SOLENOID
VALVE C
SHIFT SOLENOID
VALVE A
6
6
CPC VALVE A
CPC VALVE B
5D 4A
SHIFT VALVE C
SHIFT VALVE E
4C
1
CPC
VALVE C
H3X
SA
5J
5G
50X
5E
5F
SHIFT VALVE B
15
SHIFT
VALVE D
40
H4X
93
MAINSHAFT
COUNTERSHAFT
SECONDARY
SHAFT
4A AX
5A
5E
20
AX
57 SC
H10X
SHIFT
VALVE A
H5X
X 58
H6X
5M X
HX
AX
HX HX
AX
HX
HX AX
HX
HX AX
SC
5A
10
5N
SBX9
5K
58
5D 5G
5H 5C 5K
30
As the speed of the vehicle reaches the prescribed value, the PCM controls the A/T clutch pressure control solenoid
valves. LS B pressure (57) in the right side of CPC valve B is released, and LS A pressure (56) is applied to the right side
of CPC valve A. Line pressure (4) becomes CPC A pressure (4A) at CPC valve A, and CPC A pressure passes through
shift valves C, A, and B, to become 2nd clutch pressure. The 2nd clutch is engaged with CPC pressure, and the 1st
clutch is also engaged. No power is transmitted because of the one-way clutch.
NOTE: When used, ‘‘left’’ or ‘‘right’’ indicates direction on the hydraulic circuit.
03/07/29 09:37:30 61S0X050_140_0299
*12
D Position: Driving in 2nd gear
14-297
TORQUE
CONVERTER
CLUTCH
SOLENOID
VALVE
94
90
91
TORQUE
CONVERTER
6
LA
LOCK-UP
TIMING VALVE
90 91
X X
90’ 91’
58
91’
91
96 92
93
95
X
6
90’
96
58 96
X90
X
92
LOCK-UP
CONTROL
VALVE
95
2
X
X
95
RELIEF VALVE
90
93
93’
X
TORQUE
CONVERTER
CHECK VALVE
COOLER CHECK
VALVE
ATF FILTER
99
1
92 1
REGULATOR VALVE
95
95’
X
LUBRICATION
CHECK VALVE
ATF PUMP
REVERSE
CPC
VALVE
SERVO VALVE
10
3
3’’
3’
X
SERVO
CONTROL
VALVE
3’
4’
4’’
X
3
9
4 X
4’’
4’
10
1
6
MODULATOR VALVE
3’’
MANUAL VALVE
4
2
51
50
1
3
3’’
57
5
56
58
SB
X
6
X
X
56
4
4
X
4B
57
6
4
4 H1X
4
5B H2X
5C
4B
SC
KICK-DOWN VALVE
H9X
KICK-DOWN
SHORT VALVE
4A
30
4C
X
55
4
SA
X5B 5A 5B 51
5H
5H
9
5F
5M
5D
SB
5J 4A 25
5TH
ACCUMULATOR
5TH CLUTCH
3RD
ACCUMULATOR
1ST/1ST-HOLD CLUTCH
1ST ACCUMULATOR
1ST-HOLD/4TH
ACCUMULATOR
40
15
4C
10
15 10 20 2ND
CLUTCH
30
30
40 50
55
50
ON
OFF
ON
X
X
4TH CLUTCH
3RD CLUTCH
3RD CLUTCH
TRANSMISSION FLUID
PRESSURE
SWITCH
2ND ACCUMULATOR
4TH CLUTCH
TRANSMISSION FLUID
PRESSURE
SWITCH
LA 94
LOCK-UP
SHIFT
VALVE
95
25
A/T CLUTCH PRESSURE
CONTROL SOLENOID
VALVE A
A/T CLUTCH PRESSURE
CONTROL SOLENOID
VALVE C
A/T CLUTCH PRESSURE
CONTROL SOLENOID
VALVE B
SHIFT SOLENOID
VALVE B
SHIFT SOLENOID
VALVE C
SHIFT SOLENOID
VALVE A
6
6
CPC VALVE A
CPC VALVE B
5D 4A
SHIFT VALVE C
SHIFT VALVE E
4C
1
CPC
VALVE C
H3X
SA
5J
5G
50X
5E
5F
SHIFT VALVE B
15
SHIFT
VALVE D
40
H4X
93
MAINSHAFT
COUNTERSHAFT
SECONDARY
SHAFT
4A AX
5A
5E
20
AX
57 SC
H10X
SHIFT
VALVE A
H5X
X 58
H6X
5M X
HX
AX
HX HX
AX
HX
HX AX
HX
HX AX
SC
5A
10
5N
SBX9
5K
58
5D 5G
5H 5C 5K
30
The PCM turns shift solenoid valve C OFF, and shift solenoid valves A and B stays ON. Shift solenoid valve C is turned
OFF, and SH C pressure (SC) is applied to the right side of shift valve C. Then shift valve C is moved to the left side to
switch the port of line pressure and CPC pressure. The 2nd clutch pressure is changed to line pressure mode, and the
2nd clutch is engaged securely. The 1st clutch is also engaged. No power is transmitted because of the one-way clutch.
NOTE: When used, ‘‘left’’ or ‘‘right’’ indicates direction on the hydraulic circuit.
(cont’d)
03/07/29 09:37:32 61S0X050_140_0300
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