Component wiring diagram index AA Power supply, starting system, UADR ............................................................................ page 9 AB Power distribution, UADR ............................................................................................... page 10 AB_Hyb Power distribution............................................................................................................ page 11 AC Power supply, starting system, ADR............................................................................... page 12 AE Power distribution, ADR..................................................................................................
page 13 AG Accessories power supply............................................................................................... page 14 AH Power supply, kl.15, relay K10........................................................................................ page 15 AI Power supply, kl.15, relay K21........................................................................................ page 16 AJ Power supply, kl.15, relay K27........................................................................................ page 17 BA Vehicle ECU....................................................................................................................
page 18 BA1 Vehicle ECU.................................................................................................................... page 19 BK Instrument cluster ........................................................................................................... page 20 BM Tachograph ..................................................................................................................... page 21 BT Fleet management system Gateway (FMS).................................................................... page 22 CU20 Engine ECU (B connector)..............................................................................................
page 23 CU21 Engine ECU (A connector).............................................................................................. page 24 CU22 Engine air preheater, fuel heater..................................................................................... page 25 CU23 Engine ECU NOXCARE system ..................................................................................... page 26 CU50_Hyb PEC - electric machine.................................................................................................... page 27 CU51_Hyb 600VDC/400VAC - electrical pump.................................................................................
page 28 CU52_Hyb 600VDC/24VDC - HVJB, hybrid area.............................................................................. page 29 CU53_Hyb ESS/HPCU hybrid area................................................................................................... page 30 DC Single H (ZTO1109/STO1309)........................................................................................ page 31 DN OPTIDRIVER 2 (AT2412D)............................................................................................. page 32 DQ Power take off .................................................................................................................
page 33 DQ1 Automatic transmission................................................................................................... page 34 DU Differential lock................................................................................................................ page 35 EM1 EBS ECU, connector X1/X2............................................................................................ page 36 EM2 EBS ECU, connector X3/X4............................................................................................ page 37 EN1 EBS front modulators......................................................................................................
page 38 EN3 EBS rear modulators (drive axle).................................................................................... page 39 EN4 EBS rear modulators (tag/pusher axle)........................................................................... page 40 FA Air-suspension, TRACTOR 4x2 FSS-LEAF.................................................................... page 41 FA1 Air-suspension, 4x2 RIGID/4x2 TRACTOR FSS-AIR ..................................................... page 42 FA2 Air-suspension, 6x2.........................................................................................................
page 43 FC Air power management (battery box left)........................................................................ page 44 FC1 Air power management (battery box right)...................................................................... page 45 Page 6 (224) Wiring diagram