XJ XJ6 / XJ8 / XJR ( X350 & X358 ) 2003 - 2009

tcm adaptation cycle gear 1 - 2 ?

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Old 08-20-2016 | 03:41 PM
nebelfuerst's Avatar
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Arrow tcm adaptation cycle gear 1 - 2 ?

I'm regularly driving the adaptation cycle in SDD to keep my gearbox smooth.
Now I changed the gearbox-filter, so the cycle will come next.

Driving the cycle, I have much difficulty to do the 1-2 transition.
The switch occurs that fast, so I have no chance to steer the rpms.

How do you do the 1-2 switch on a adaptation cycle ?
 
  #2  
Old 08-20-2016 | 04:08 PM
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Originally Posted by nebelfuerst
I'm regularly driving the adaptation cycle in SDD to keep my gearbox smooth.
Now I changed the gearbox-filter, so the cycle will come next.

Driving the cycle, I have much difficulty to do the 1-2 transition.
The switch occurs that fast, so I have no chance to steer the rpms.

How do you do the 1-2 switch on a adaptation cycle ?
Transmission needs to be at least 50C. Find a neighborhood with long streets, and little traffic. Come to a complete stop. The torque must be between the min and max settings (in the green) and you will have to do numerous stops. A gentle roll-in on the pedal is required. Don't move on to 2-3 until 1-2 is complete. Yes, you will have to practice, and yes, you will have to stop numerous times. If 1-2 is missed, and you don't get a green check, stop, try again.
 

Last edited by Box; 08-20-2016 at 04:10 PM.
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  #3  
Old 08-20-2016 | 04:37 PM
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I typically drive until I get above 50°, then I start with those 3-4 and coasting from 6 to stop.. then I search for a road, where 1-2 is possible. (e.g. parking lot.)
Sometimes it takes 20min to get the 1-2 clean.
The problem is, that on one hand I have to carefully touch the gas pedal to get the right torque, but the sudden acceleration of the car also accelerates my foot on the pedal.
 

Last edited by nebelfuerst; 08-20-2016 at 04:42 PM.
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