K121F CVT  VALVE BODY ASSEMBLY  REMOVAL  

The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed, installed, or replaced during the transmission valve body assembly removal/installation are shown below.

Necessary Procedure After Parts Removed/Installed/Replaced

Replacement Part or Procedure	Necessary Procedure	Effect/Inoperative when not Performed	Link
CVT fluid	ATF thermal degradation estimate reset	The value of the Data List item "ATF Thermal Degradation Estimate" is not estimated correctly	(202409,999999,_52,_138817,_0596468,RM100000002NRBH,)
	Air bleed oil pump with motor assembly	Stop and start system	(202409,999999,_51,_083056,_0402418,RM100000002NSFT,)

HINT:

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When the cable is disconnected / reconnected to the auxiliary battery terminal, systems temporarily stop operating. However, each system has a function that completes learning the first time the system is used.

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Learning completes when vehicle is driven

Effect/Inoperative Function When Necessary Procedures are not Performed	Necessary Procedures	Link
Stop and start system	Drive the vehicle until stop and start control is permitted (approximately 5 to 60 minutes).	(202409,999999,_51,_083056,_0402418,RM100000002NSFO,)
Lane tracing assist system	Drive the vehicle straight ahead at 15 km/h (10 mph) or more for 1 second or more.	(201910,999999,_58,_083101,_0401880,RM100000001JE9I,)
Pre-collision system

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Learning completes when vehicle is operated normally

Effect/Inoperative Function When Necessary Procedures are not Performed	Necessary Procedures	Link
*: w/ Power back door system
Power back door function*	Fully close the back door by hand. HINT: Initialization is not necessary if the above procedures are performed while the back door is closed.	(202304,999999,_59,_083093,_0584672,RM1000000029PGT,)
Power door lock control system	If the back door is locked and therefore cannot be opened, it is necessary to unlock the back door using the door control switch, electrical key transmitter sub-assembly switch.	(202409,999999,_58,_083092,_0403003,RM100000002NS90,)
Air conditioning system	After the ignition switch is turned to ON, the servo motor standard position is recognized	-

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Shift shock may increase after replacing the transmission valve body assembly. In this case, shift shock will reduce as the vehicle in driven.