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WINTER shifting program

WINTER shifting program


A WINTER shifting program is provided to facilitate starting on a slippery road surface. With the selector lever in position D and the WINTER shifting program activated, the car will start in 3rd gear and then normally shift up to 4th gear.

With the selector lever in position 3 only 3rd gear will be used.

By means of a spring-loaded switch on the selector lever's console it is possible to change between the WINTER and NORMAL shifting programs.

The switch has two terminals, one for control module pin 15 and the other for grounding point G42. The control module outputs battery voltage (B+) on pin 15. Pressing the button closes the circuit to ground and a changeover between the two shifting programs, WINTER and NORMAL, takes place.

The TCM sends information on the current mode as bus information WINTER, value ON/OFF. In connection with bus information “WINTER ON”, the main instrument unit turns on the WINTER indicator lamp.


Functions in different selector lever positions when the WINTER shifting program is selected:

P

WINTER can be selected.

R

WINTER can be selected.

N

WINTER can be selected.

D

WINTER program in 3rd and 4th gears. SPORT cannot be selected and is disengaged when WINTER is activated. When Kickdown is activated, the regular shifting program is selected.

3

Same as in selector lever position D but 3rd gear is locked.

2

WINTER cannot be selected.

1

WINTER cannot be selected.



WINTER will be disconnected if:


• the switch is pressed

• the ignition is turned to position ON

• the fluid temperature is >140°C

• when Limp-Home mode is activated

• lever position 1 or 2 is selected.