Honda Odyssey 2004. Manual — part 219
32
Power Flow (cont’d)
D or D3 Position in 1st gear
14-270
Automatic Transmission
System Description (cont’d)
MAINSHAFT
COUNTERSHAFT
SECONDARY SHAFT
TORQUE CONVERTER
FINAL DRIVE GEAR
MAINSHAFT
3RD GEAR
COUNTERSHAFT
3RD GEAR
SECONDARY SHAFT
IDLER GEAR
FINAL DRIVEN GEAR
1ST CLUTCH
SECONDARY SHAFT
1ST GEAR
COUNTERSHAFT
1ST GEAR
ONE-WAY
CLUTCH
In D or D3 position, the optimum gear is automatically selected from the 1st, 2nd, 3rd, 4th, and 5th gears according to
conditions such as the balance between the throttle opening (engine loading) and vehicle speed.
• Hydraulic pressure is applied to the 1st clutch, then the 1st clutch engages the secondary shaft 1st gear with the
secondary shaft by the one-way clutch.
• The mainshaft 3rd gear drives the secondary shaft via the countershaft 3rd gear and secondary shaft idler gear.
• The secondary shaft 1st gear drives the countershaft 1st gear and the countershaft.
• Power is transmitted to the final drive gear, which in turn drives the final driven gear.
03/07/29 09:37:08 61S0X050_140_0273
04
D or D3 Position in 2nd gear and 2 Position
14-271
MAINSHAFT
COUNTERSHAFT
SECONDARY SHAFT
TORQUE CONVERTER
FINAL DRIVE GEAR
MAINSHAFT
3RD GEAR
COUNTERSHAFT
3RD GEAR
SECONDARY SHAFT
IDLER GEAR
FINAL DRIVEN GEAR
2ND CLUTCH
SECONDARY SHAFT
2ND GEAR
COUNTERSHAFT
2ND GEAR
ONE-WAY
CLUTCH
• Hydraulic pressure is applied to the 2nd clutch, then the 2nd clutch engages the secondary shaft 2nd gear with the
secondary shaft.
• The mainshaft 3rd gear drives the secondary shaft via the countershaft 3rd gear and secondary shaft idler gear.
• The secondary shaft 2nd gear drives the countershaft 2nd gear and the countershaft.
• Power is transmitted to the final drive gear, which in turn drives the final driven gear.
• Hydraulic pressure is also applied to the 1st clutch, but since the rotation speed of 2nd gear exceeds that of 1st gear,
power from 1st gear cut off at the one-way clutch.
(cont’d)
03/07/29 09:37:09 61S0X050_140_0274
05
Power Flow (cont’d)
D or D3 Position in 3rd gear
14-272
Automatic Transmission
System Description (cont’d)
MAINSHAFT
COUNTERSHAFT
SECONDARY SHAFT
TORQUE CONVERTER
FINAL DRIVE GEAR
MAINSHAFT
3RD GEAR
COUNTERSHAFT
3RD GEAR
SECONDARY SHAFT
IDLER GEAR
FINAL DRIVEN GEAR
3RD CLUTCH
ONE-WAY
CLUTCH
• Hydraulic pressure is applied to the 3rd clutch, then the 3rd clutch engages the countershaft 3rd gear with the
countershaft.
• The mainshaft 3rd gear drives the countershaft 3rd gear and the countershaft.
• Power is transmitted to the final drive gear, which in turn drives the final driven gear.
• Hydraulic pressure is also applied to the 1st clutch, but since the rotation speed of 3rd gear exceeds that of 1st gear,
power from 1st gear cut off at the one-way clutch.
03/07/29 09:37:09 61S0X050_140_0275
06
D Position in 4th gear
14-273
MAINSHAFT
COUNTERSHAFT
SECONDARY SHAFT
TORQUE CONVERTER
FINAL DRIVE GEAR
MAINSHAFT
3RD GEAR
FINAL DRIVEN GEAR
4TH CLUTCH
MAINSHAFT
4TH GEAR
ONE-WAY
CLUTCH
COUNTERSHAFT
4TH GEAR
• Hydraulic pressure is applied to the 4th clutch, then the 4th clutch engages the mainshaft 4th gear with the
mainshaft.
• The mainshaft 4th gear drives the countershaft 4th gear and the countershaft.
• Power is transmitted to the final drive gear, which in turn drives the final driven gear.
• Hydraulic pressure is also applied to the 1st clutch, but since the rotation speed of 4th gear exceeds that of 1st gear,
power from 1st gear cut off at the one-way clutch.
(cont’d)
03/07/29 09:37:10 61S0X050_140_0276
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