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Speed Sensors and ATF+4 and the like

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 #386215  by pumazavr
 October 21st, 2020, 4:20 pm
tell me what is the normal range of these parameters in automatic transmission lh2 2001 3.5
vol index

example...
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 #386228  by Sneke_Eyez
 October 23rd, 2020, 12:56 pm
I'm not even sure where that information would come from. Is that a monitoring device hooked to the trans?
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 #386231  by FIREM
 October 23rd, 2020, 3:13 pm
Middle column is your actual, right side are the min/max values. All the ones listed are in the range of acceptable.
Clutch Volume Index is a value used to determine clutch plate wear. Higher numbers, longer fill rate to take up the space of missing material. If I am not mistaken it is calculated in milliseconds.
Corrected Information: Clutch Volume Index (CVI) is a calculated numerical value to indicate how much volume of transmission fluid was needed to apply a friction element without stroking the accumulator piston. The L/R, 2/4 and OD clutch elements are continuously monitored and learned for adaptive controls
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 #386233  by pumazavr
 October 24th, 2020, 2:20 am
Sneke_Eyez wrote: October 23rd, 2020, 12:56 pm I'm not even sure where that information would come from. Is that a monitoring device hooked to the trans?
this is a photo from a homemade caravan program .. i'm searching for these values for 300m.
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 #386241  by FIREM
 October 24th, 2020, 1:28 pm
Direct from the LH Powertrain Manual
3.3.10 CLUTCH VOLUMES
The LR clutch volume is updated when doing a
2-1 or 3-1 coast down shift. The transmission
temperature must be between 21-49°C (70-120°F).
The clutch volume should be between 35 and 83.
The 2/4 clutch volume is updated when doing a
1-2 shift. The transmission temperature must be
above 43°C (110°F). The clutch volume should be
between 20 and 77.
The OD clutch volume is updated when doing a
2-3 shift. The transmission temperature must be
above 43°C (110°F). The clutch volume should be
between 40 and 150.
The UD clutch volume is updated when doing a
4-3 or 4-2 shift. The transmission temperature
must be above 43°C (110°F). The clutch volume
should be between 24 and 70.

Clutch Volume Index (CVI) is a calculated numerical value to indicate how much volume of transmission fluid was needed to apply a friction element without stroking the accumulator piston. The L/R, 2/4 and OD clutch elements are continuously monitored and learned for adaptive controls
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 #386243  by pumazavr
 October 24th, 2020, 3:48 pm
FIREM wrote: October 24th, 2020, 1:28 pm Direct from the LH Powertrain Manual
3.3.10 CLUTCH VOLUMES
The LR clutch volume is updated when doing a
2-1 or 3-1 coast down shift. The transmission
temperature must be between 21-49°C (70-120°F).
The clutch volume should be between 35 and 83.
The 2/4 clutch volume is updated when doing a
1-2 shift. The transmission temperature must be
above 43°C (110°F). The clutch volume should be
between 20 and 77.
The OD clutch volume is updated when doing a
2-3 shift. The transmission temperature must be
above 43°C (110°F). The clutch volume should be
between 40 and 150.
The UD clutch volume is updated when doing a
4-3 or 4-2 shift. The transmission temperature
must be above 43°C (110°F). The clutch volume
should be between 24 and 70.

Clutch Volume Index (CVI) is a calculated numerical value to indicate how much volume of transmission fluid was needed to apply a friction element without stroking the accumulator piston. The L/R, 2/4 and OD clutch elements are continuously monitored and learned for adaptive controls
thank you very much ... after such answers I will definitely join your club
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 #386249  by FIREM
 October 24th, 2020, 6:50 pm
You are more than Welcome! That's what we do here, provide great information on LH Cars & become family
Welcome and Enjoy!
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 #386252  by ggariepy
 October 24th, 2020, 8:41 pm
pumazavr wrote: October 24th, 2020, 2:20 am this is a photo from a homemade caravan program .. i'm searching for these values for 300m.
Did you write the program, and if so, can you make it available?

True diagnostic information for these cars is hard to come by without a DRB-III. If you have written something that can talk to the controllers, I'd be very interested.
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 #386253  by pumazavr
 October 25th, 2020, 2:14 am
ggariepy wrote: October 24th, 2020, 8:41 pm
pumazavr wrote: October 24th, 2020, 2:20 am this is a photo from a homemade caravan program .. i'm searching for these values for 300m.
Did you write the program, and if so, can you make it available?

True diagnostic information for these cars is hard to come by without a DRB-III. If you have written something that can talk to the controllers, I'd be very interested.
https://play.google.com/store/apps/deta ... eThreePaid
the program is not mine
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