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 ........................................................................................................................ page 17 BX FMS Gateway ................................................................................................................. page 18 BY Volvo link (VERS-SAM) .................................................................................................. page 19 CK Engine interface D13 ...................................................................................................... page 20 CL Engine interface D12F, EM-JPN04 .................................................................................
page 21 CM Engine interface D12D .................................................................................................... page 22 Engine interface D9A, D16C ........................................................................................... page 23 CO Engine D9A .................................................................................................................... page 24 Engine D12D .................................................................................................................. page 25 Engine D12F, EM-JPN04 ................................................................................................
page 26 Engine D13 ..................................................................................................................... page 27 Engine D16C .................................................................................................................. page 28 CP ISX functions, 12V trailer ABS converter (AUS only) ...................................................... page 29 CS Engine ISX (AUS only) ................................................................................................... page 30 DB Gear selector ECU (GEARTRONIC) ..............................................................................
page 31 DC Gear selector ECU (I-SHIFT/POWERTRONIC) ............................................................. page 32 DE Geartronic automatic gearshift ....................................................................................... page 33 DI Powertronic ..................................................................................................................... page 34 DM Retarder manual gearshift .............................................................................................. page 35 DN I-shift VT2412B ...............................................................................................................
page 36 DP I-shift AT2412C/AT2512C/ATO2512C ............................................................................. page 37 DQ Power take off ................................................................................................................. page 38 DU Diff-lock ........................................................................................................................... page 39 EE ABS basic, D-version ...................................................................................................... page 40 EI ABS/ASR D-version ........................................................................................................
page 41 EO EBS ECU ........................................................................................................................ page 42 EP EBS modulators .............................................................................................................. page 43 FA Air-suspension ............................................................................................................... page 44 5