Reverse

Reverse

(selector lever on position R)

The gearbox input shaft E rotates in a clockwise direction.

The sun gears S1 and S2 are coupled by the input shaft E, by the engagement of the multiple disc clutch C2.

The clutch C3 locks the free wheel F0 and couples the crownwheel K1 to the clutch carrier drum D. The crownwheel K2 is locked to the gearbox casing via the multiple disc brake B2.

The brake B2 locks the free wheel F1.

The sun gear S2, coupled to the input shaft E, transmits motion anti-clockwise to the planet gears ST2 and clockwise to the planet gears ST3.

The planet gears ST3, rotating clockwise, shift onto the locked crownwheel K2, thus making the gear train carrier T1 and gear I1 rotate anti-clockwise, obtaining reverse gear.

SAFETY CONTROL UNIT

The safety functions of the AISIN automatic transmission are managed by a special electronic control unit and may be divided into two categories:

1. warning functions, which cause a buzzer to sound when:
   • the selector lever is shifted to position R;
   • a front door is opened when the selector lever is at a position other than P;
   • the engine is switched off with the selector lever in a position other than P;
2. functions which oblige the driver to carry out particular actions to allow:
   • the selector lever to be moved from position P with the engine running only with the brake pedal pressed;
   • the ignition key to be withdrawn only with the selector lever in position P.