5. Start and run the engine for one minute.
6. Stop engine.
7. Check DDR for codes.
[a] If no codes are displayed, troubleshooting is complete.
[b] If code 111/4 is not logged, and other codes are logged, refer to section 9.1.
[c] If code 111/4 is logged, refer to section 13.3.5.
Code 111/4 Logged
Perform the following steps to troubleshoot Code 111/4.
1. Remove CLS.
2. Plug opening.
3. Locate sensor probe in clean water.
4. Start and run the engine for one minute.
5. Check DDR for codes.
[a] If code 111/4 is logged, all system diagnostics are complete. Review this section to
find the error. Refer to section 13.3.1.
[b] If code 111/4 is not logged, reprogram the ECM and replace the coolant with new.
Repeat the test. Refer to section 13.3.4.
All information subject to change without notice.
6SE497 9709 Copyright © 1997 DETROIT DIESEL CORPORATION