DDEC TROUBLESHOOTING
[b] If terminals and connectors are not damaged, contact Detroit Diesel Technical
Service. Refer to section 27.3.6.
Figure 27-6
ECM Engine Harness Connector
27.3.6
Verify Repairs
Perform the following steps to verify repairs.
1. Turn vehicle ignition OFF.
2. Reconnect all connectors.
3. Turn vehicle ignition ON.
4. Clear codes.
5. Start and run the engine for eight minutes.
6. Stop engine.
7. Check DDR for codes.
[a] If no codes are logged, troubleshooting is complete.
[b] If code 172/3 and any other codes are logged, all system diagnostics are complete.
Review this section to find the error. Refer to section 27.3.1.
[c] If any codes except code 172/3 are logged, refer to section 9.1.
All information subject to change without notice.
6SE497 9709 Copyright © 1997 DETROIT DIESEL CORPORATION
27-9
