Electric System LEXION 500 TIC M-20 Lex-e-M 03/05 Module A36 – Montana 570-520 gearshift module - with external MONTANA control unit (up to serial no. 582 00051, 581 00026; 580 00028) Pin Function Component Measuring Direction Circuit variable diagram no.
1 Earth --- Earth Input 42s 2 Power supply (+15) K56 12 V Input 42s 3 Gearbox shifting release S90 12 V Output 42s 4 2nd gear signal Z83 12 V Input 42s 5 1st gear signal Z82 12 V Input 42s 6 Gearbox shift 1st gear Y107 12 V Output 42s 7 Gearbox shift 2nd gear Y108 12 V Output 42s 8 not used --- --- --- --- 9 Ground drive control pressure circuit SH Y125 12 V Output 42s 10 Engine speed maximum reduced --- 12 V - 1st gear 0 V - 2nd gear Output 42s, 2s 11 Engine speed (Gearshift control) --- 12 V Input 42s, 2s 12 Parking brake circuit Y123 12 V Input 42s 13 Shifting aid uphill signal Y121 12 V Input 42s 14 Shifting aid downhill signal Y122 12 V Input 42s 15 Montana master valve gear Y77 12 V Output 4s 16 Working hydraulics master valve gear Y77 12 V Output 4s 17 Montana master valve gear Y128 12 V Output 4s 18 Montana master valve gear Y128 12 V Input 4s 19 not used --- --- --- --- 20 Working hydraulics master valve gear Y77 12 V Input 4s 21 not used --- --- --- --- 22 not used --- --- --- --- 23 Working hydraulics master valve gear Y77 12 V Input 4s 24 Shifting aid gear Y121; Y122 12 V Output 42s 25 Ground speed control lever signal neutral Z57 Earth Input 1s, 42s