D Group 37 Wiring diagram FM, FH, NH12 Component wiring diagram index Component wiring diagram index AA Power supply, starting system ................................................................ page 8 AB Main switch ............................................................................................. page 9 AC Power distribution ................................................................................... page 10 AE ADR, main switch ................................................................................... page 11 BA Vehicle ECU ............................................................................................
page 12 BE ACC Adaptive cruise control ................................................................... page 13 BI Instrument cluster ................................................................................... page 14 BM Tachograph in dash ................................................................................ page 15 BN Tachograph in shelf ................................................................................. page 16 BU Dynafleet TIS-LOG/TIS-MAP ................................................................. page 17 BU 2 Dynafleet TIS-BAS/TIS-MED/TIS-HIGH .................................................
page 18 BX FMS Gateway ......................................................................................... page 19 BY Volvo link (VERS-SAM) .......................................................................... page 20 BZ Toll collect ............................................................................................... page 21 BZ RHD Toll collect ............................................................................................... page 22 CK Engine interface D9B, D13A, D16C4, D16E ........................................... page 23 CL Engine interface D12F ............................................................................
page 24 CM Engine interface D12D ............................................................................ page 25 CO Engine D9B, D13A ................................................................................. page 26 Engine D12D .......................................................................................... page 27 Engine D12F ........................................................................................... page 28 Engine D16C4 ........................................................................................ page 29 Engine D16E ..........................................................................................
page 30 CP ISX functions, 12V trailer ABS converter (AUS only) .............................. page 31 CS Engine ISX (AUS only) ........................................................................... page 32 CV SCR ........................................................................................................ page 33 DB Gear selector ECU (GEARTRONIC) ...................................................... page 34 DC Gear selector ECU (I-SHIFT/POWERTRONIC) ..................................... page 35 DE Geartronic automatic gearshift ...............................................................
page 36 DI Powertronic ............................................................................................. page 37 DI RHD Powertronic ............................................................................................. page 38 DM Retarder manual gearshift ...................................................................... page 39 DN I-shift VT2412B ....................................................................................... page 40 DP I-shift AT2412C/AT2512C/ATO2512C ..................................................... page 41 DQ Power take off .........................................................................................
page 42 DU Diff-lock ................................................................................................... page 43 EE ABS basic, D-version .............................................................................. page 44 5