Spn 110/Fmi 14 - Detroit Diesel Series 60 DDEC VI Troubleshooting Manual

9.5

SPN 110/FMI 14

The diagnostic condition is typically engine coolant temperature very high.
9.5.1 Multiple Codes Check
Perform the following steps to troubleshoot an engine coolant temperature very high fault.
1. Turn vehicle ignition switch ON (key On, engine OFF).
2. Plug in the diagnostic tool.
3. Read active codes:
[a] If only fault code 110/14 is active, refer to section 9.5.2.
[b] If fault code 110/3 is active in addition to fault code 110/14, refer to section 9.3.2.
[c] If fault code 110/4 is active in addition to fault code 110/14, refer to section 9.4.1.
9.5.2 System Checks to Resolve Fault
Perform the following checks and any corrections necessary to resolve a coolant temperature
very high fault. Repair or replace, as required.
1. Check for coolant loss.
2. Check for blockage in radiator and charge air cooler.
3. Check fan belt condition (slippage).
4. Check for proper location of fan shroud.
5. Check for proper radiator hose condition (no collapsed hoses).
6. Check for proper viscous fan operation.
7. Once checks and repairs are finished, refer to section 9.5.2.1.
9.5.2.1 Verify Repairs
Verify repairs as follows:
1. Turn vehicle ignition OFF and reconnect all connectors.
2. Turn vehicle ignition ON. Clear the codes.
3. Start and run the engine for eight minutes. Stop the engine.
4. Check for codes.
[a] If no codes are logged, troubleshooting is complete.
[b] If other codes are logged, review this section to find the error. If no error is found,
contact Detroit Diesel Customer Support Center (313–592–5800).
All information subject to change without notice.
PRELIMINARY 6SE567 0512 Copyright © 2005 DETROIT DIESEL CORPORATION
DDEC VI SERIES 60 TROUBLESHOOTING GUIDE
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