odes 10.2 - 1 of 4 L544 - 443 25.December / 6190 - 7476 2019 10:44 printed this protected ! Wednesday, document! L544 - L554 2plus2_en_.pdf ADMIN L554 - 453 / 0501 - 7476 MJFCIFSS113:T6fc,Electrical System Service Manual Microcontroller A 2 (MC6) The main ride control functions are: Controlling the solenoid valves at the programmed speed Storing service codes Plug pin assignment < = Inputs > = Outputs Connector 1 MC6 A 55-pin Junior Timer 1 2 3 4 5 Power supply F1.1/15A Power supply F2.1/1A Control electronics ground Unassigned Variable displacement motor PSV 1 Y27 > 6 Solenoid valve Y 6.1 > 7 Forward travel direction < 8 Forward travel direction < 9 Reverse travel direction < 10 Reverse travel direction < 11 Gear shift down (not active) 12 Gear shift up (not active) 13 Diesel engine speed B24 < 14 Output speed B1 < 15 Variable displacement motor speed 1 B2 < 16 Variable displacement motor speed 2 B2a < 17 Unassigned 18 Angle sensor R5 < 19 Unassigned 20 Tractive force reduction A10 +5V 21 Signal input A10 < 22 Mass A10 23 Angle sensor R1, R5 +5V > 24 Unassigned 25 Ground B24, R1, R5 26 "H" CAN-BUS Bodem plug 27 "L" CAN-BUS Bodem plug 28 Power supply F1.1/15A 29 Unassigned 30 Control electronics ground 31 Unassigned 32 PSV control pressure Y15 (DRE) > 33 Variable displacement motor PSV 2 Y28 > 34 Solenoid valve Y 6.2 > 35 Solenoid valve Y 6.3 > 36 Solenoid valve Y 29 > 37 Solenoid valve Y3 > 38 Serial interface A11 39 RS 232 ground 40 RS 232 TXD 41 Speed sensor (-) B2a 42 RS 232 RXD 43 Output speed sensor (-) B1 44 Variable displacement motor 1 speed sensor (-) B2 45 Unassigned 46 Inch pedal angle sensor R1 < 47 Unassigned 48 Unassigned 49 Excess temperature warning 50 Unassigned 51 Bodem plug 52 Control electronics ground 53 Unassigned 54 Unassigned 55 Weight 10.2 - 2 of 4! 25.December 2019 10:44 printed!this protected document! L544 - L554 L544 - 443 / 6190 - 7476 Wednesday, 2plus2_en_.pdf ADMIN MJFCIFSS L554 - 453 / 0501 - 7476114:T4e0,Service Manual Electrical System Microcontroller A 2 (MC6) C