Power Flow - Honda 2004 Odyssey Service Manual

Automatic Transmission
System Description (cont'd)

Power Flow

Gear operation
Gears on the mainshaft:
• 4th gear is engaged/disengaged with the mainshaft by the 4th clutch.
• 5th gear is engaged/disengaged with the mainshaft by the 5th clutch.
• Reverse gear is engaged/disengaged with the mainshaft by the 5th clutch.
• 3rd gear is splined with the mainshaft and rotates with the mainshaft.
Gears on the countershaft:
• Final gear is integral with the countershaft.
• 1st gear, 4th gear, 2nd gear and park gear are splined with the countershaft, and rotate with the countershaft.
• 5th gear and reverse gear rotate freely from the countershaft. The reverse selector engages 5th gear and reverse
gear with the reverse selector hub. The reverse selector hub is splined to the countershaft so 5th gear and reverse
gear engage with the countershaft.
• Countershaft 3rd gear is engaged/disengaged with the countershaft by the 3rd clutch.
Gears on the secondary shaft:
• 1st gear is engaged/disengaged with the secondary shaft by the 1st clutch. 1st gear is engaged with the secondary
shaft by the one-way clutch and the 1st-hold clutch when decelerating using for engine braking.
• 2nd gear is engaged/disengaged with the secondary shaft by the 2nd clutch.
• The idler gear is splined with the secondary shaft, and rotates with the secondary shaft.
MAINSHAFT
3RD GEAR
MAINSHAFT
REVERSE
SELECTOR
COUNTERSHAFT
3RD GEAR
3RD CLUTCH
COUNTERSHAFT
REVERSE SELECTOR
HUB
PARK GEAR
COUNTERSHAFT
2ND GEAR
COUNTERSHAFT
REVERSE GEAR
SECONDARY SHAFT
IDLER GEAR
14-266
MAINSHAFT
5TH GEAR
MAINSHAFT
REVERSE GEAR
2ND CLUTCH
SECONDARY SHAFT
1ST-HOLD
2ND GEAR
CLUTCH
5TH CLUTCH
4TH CLUTCH
MAINSHAFT
4TH GEAR
SECONDARY SHAFT
1ST GEAR
COUNTERSHAFT
5TH GEAR
1ST CLUTCH
TORQUE CONVERTER
COUNTERSHAFT 4TH GEAR
COUNTERSHAFT 1ST GEAR
SECONDARY SHAFT