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Discussion Starter · #1 ·
I bought a Honda Odyssey 2002 model. It EX-L 5 3.5 V6, does any one knows about Automatic Up shifting Schedules of the transmission when you put it on Drive? Like Shift of Gear from 1st -2nd at what speed, 2nd- 3rd at what speed, 3rd-4th at which speed and 4th -5th at which speed?
Cause I felt that my odyssey the gear from 4th-5th happens when it reaches at speed of 75km/hr. Is this normal?,

Problem-2
It is giving me 13MPG in City but as per Honda it should be giving at 16MPG, i have changed the spark plugs and Air Filter and MAP sensor but nothing changed at all, I took it to Mechanic shop for diagnostic and they could not find any code, no check Engine light is on, Can any one advise me on that (Weather condition is cold)
 

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Shift points. See chart from service manual 2002-4. Sorry PDF does not seem to post

Pages 14 353 Odysseys.gif 10. Test-drive the vehicle on a flat road in the D
position. Check for abnormal noise and clutch
slippage. While driving, check that the shift points
occur at the proper speeds by monitoring the
throttle position sensor voltage and comparing
your shift point speeds and voltage to those in the
table. (The throttle position sensor voltage
represents the throttle opening.)
Upshift: D position
Throttle position sensor voltage: 0.75 V
.1st 2nd --10 11 mph (16 18 km/h)
.2nd 3rd --19 22 mph (31 35 km/h)
.3rd 4th --26 30 mph (42 48 km/h)
.4th 5th --45 48 mph (73 77 km/h)
Lock-up ON --48 50 mph (77 80 km/h)
Throttle position sensor voltage: 2.25 V
.1st 2nd --30 31 mph (48 50 km/h)
.2nd 3rd --47 50 mph (76 80 km/h)
.3rd 4th --60 70 mph (106 112 km/h)
.4th 5th --88 89 mph (141 143 km/h)
Lock-up ON --89 90 mph (143 145 km/h)
Fully-opened throttle
.1st 2nd --40 43 mph (65 69 km/h)
.2nd 3rd --67 70 mph (107 111 km/h)
.3rd 4th --100 103 mph (161 165 km/h)
Downshift: D position
Throttle position sensor voltage: 0.75 V
Lock-up OFF --38 40 mph (61 65 km/h)
.5th 4th --36 40 mph (58 61 km/h)
.4th 3rd --17 19 mph (29 31 km/h)
.2nd 1st --910 mph (1517 km/h)
Throttle position sensor voltage: 2.25 V
Lock-up OFF --76 80 mph (123 129 km/h)
.5th 4th --65 68 mph (105 109 km/h)
.4th 3rd --40 41 mph (64 67 km/h)
.3rd 2nd --23 25 mph (38 41 km/h)
.2nd 1st --910 mph (1517 km/h)
Fully-opened throttle
.4th 3rd --88 92 mph (142 148 km/h)
.3rd 2nd --56 60 mph (90 97 km/h)
.2nd 1st --30 33 mph (48 54 km/h)
11. Accelerate to about 35 mph (57 km/h) so the
transmission is in 4th or 5th, then shift from the D
position to the 2 position. The vehicle should
immediately begin slowing down from engine
braking.
12. Check for abnormal noise and clutch slippage in
the following positions.
1 (1st Gear) Position
Accelerate from a stop at full throttle. Check that
there is no abnormal noise or clutch slippage.
Upshifts should not occur with the shift lever in this
position.
2 (2nd Gear) Position
Accelerate from a stop at full throttle. Check that View attachment Pages 14 353 Odyssey.pdf
there is no abnormal noise or clutch slippage.
Upshifts and downshifts should not occur with the
shift lever in this position.
R (Reverse) Position
Accelerate from a stop at full throttle, and check for
abnormal noise and clutch slippage.
13. Test in P (Park) Position.
Park the vehicle on a slope (about 16°), apply the
brake, and shift into the P position. Release the
brake; the vehicle should not move.
14-353
 

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Discussion Starter · #3 ·
Thanks for the chart but I could not figure out how that helps me, can you please explain the voltage and throttle. and what is lock on? thanks once again
 

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tps fully open about 4.8v, closed 0.5v

5*1 RED/BLK TPSOUT (THROTTLE Sends TP sensor signal With throttle fully open: about 4.8 V
POSITION SENSOR With throttle fully closed: about 0.5 V
OUTPUT SIGNAL) Pages from 99-04_Odyssey-2.jpg
 

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The Odyssey is a heavy chunk of metal. Hotroding around in heavy traffic and stop/start driving will easily give you 10 mpg. It is just the law of physics.
 
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