Test Engine With New Starter; Defective Starter - Detroit Diesel EPA07 Series 60 DDEC VI Troubleshooting Manual

5.3

DEFECTIVE STARTER

To determine if a defective starter is causing no start, perform the following steps:
1. Connect a AMP meter lead from the tester around the positive battery cable.
2. Connect the positive red lead from the tester to the positive battery post.
3. Connect the negative black lead from the tester to the negative battery post.
4. Engage the starter
5. View the AMP reading when cranking the engine
[a] If the APM reading is out of specification or the engine does not crank refer to section
5.4.
[b] If the AMP reading is within specifications check the wiring on the Motor Control
Module (MCM).
5.3.1

Test Engine with New Starter

To determine if the new starter resolved no start condition, attempt to start and run the engine.
1. If the engine starts and runs, no further troubleshooting is required. Shut down the engine.
2. If the engine fails to crank, check for internal engine damage. Refer to section 5.4.
All information subject to change without notice.
Copyright © 2007 DETROIT DIESEL CORPORATION
SERIES 60 DDEC VI TROUBLESHOOTING GUIDE
5-5