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SERIES 4000 12/16V SERVICE MANUAL
1. Disconnect engine sensor harnesses from the MDEC engine control unit. See Figure 1152
for location of harnesses.
1. Cover
7. Sensor Plug (X2)
2. Cover Screws
8. Power Supply Plug (X5)
3. Housing
9. Cable Harness Plug ((X4)
4. Seals
10. Communication Connector Plug (X6)
5. Engine Connector Plug (LOP-X1)
11. Mounting Bracket
6. Cable Harness Connector Plug (X3)
12. Mounting Plate
Figure 1152
Removal of MDEC Engine Control Unit Harnesses
2. Disconnect engine sensor harnesses from the sensor units. See Figure 1148for the
8/12/16V marine engine sensor harness (S6), see Figure 1149 for the 12V marine engine
All information subject to change without notice.
Copyright © DETROIT DIESEL CORPORATION
C -1775
Summary of Contents for 4000 Series
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Page 2631: ...E TROUBLESHOOTING Section Page E 010 MECHANICAL TROUBLESHOOTING E 3 E 020 TESTING E 45 ...
Page 2681: ...F PREVENTIVE MAINTENANCE Section Page F 010 Rockford Fan Clutch F 3 ...