Testing - Detroit Diesel MBE 900 Technician Manual

PRELIMINARY
5

TESTING

The following operational events and diagnostic recommendations are based on conditions
identified by the Detroit Diesel Customer Support Center. The recommended troubleshooting
procedures are accurate as of April 2005.
Troubleshooting SID 146: Refer to section 4.3.2:
Fault Code s 146/0 — EGR Temperature above Normal
Fault Code s 146/1 — EGR Temperature below Normal
Fault Code s 146/2 — Data Erratic
Fault Code s 146/7 — EGR Valve not Responding
Fault Code s 146/12 — Bad Component
Inspection of EGR Cooler: Refer to appendix C — Service Information Letter 04 TS-38,
EGR Cooler Inspection
Inspection of Thermostat Housing: Refer to appendix C — Service Information Letter 04
TS-57, MBE 900 Model Year 2004 EGR Overheat Condition
Verifying DDEC-ECU Parameter Settings: Refer to appendix C — Service Information
Letter 04 TS-61, MBE 4000 PLD Parameters
Inspection of Charge Air Cooler: Refer to appendix C — Service Information Letter 05
TS-01, Charge Air Cooler Leaks
NOTE:
You may also access Service Information TS letters after logging into the DDC Extranet
by clicking on Support, On-Highway, Service Information, Service Information
Letters, 2004-to-2006 Service Letters. To access 18SP documents, click on Support,
On-Highway, Service Information, Special Publications (18SPs).
All information subject to change without notice. (Rev. 5/05)
7SE940 0505 Copyright © 2005 DETROIT DIESEL CORPORATION
MBE EGR TECHNICIAN'S GUIDE
5-1