IDENTIFICATION Figure 16 Electronic Engine Control System DDEC-ECU The DDEC-ECU (see Figure 17) is located on the left-hand side of the engine. The DDEC-ECU processes the data received from the DDEC-VCU, for example the position of the accelerator pedal, engine brake, etc. Figure 17 DDEC-ECU 26 All information subject to change without notice. (Rev. 04/08) DDC-SVC-MAN-0055 04/08 Copyright © 2008 DETROIT DIESEL CORPORATION