Check as follows:
- Verify that the engine will bar over by hand.
- If not, check for internal engine damage. Refer to "2.4 Internal Engine Damage" .
- If yes, go to the next step.
- Check for battery power and ground using a test light between the positive and negative connections.
- If there is no power, inspect the wiring and battery condition. Repair or replace as necessary.
- If there is power, go to the next step.
- Connect a AMP meter lead from the tester around the positive battery cable.
- Connect the positive red lead from the tester to the positive battery post.
- Connect the negative black lead from the tester to the negative battery post.
To avoid injury from inhaling engine exhaust, always operate the engine in a well-ventilated area. Engine exhaust is toxic.
- Engage the starter
- View the AMP reading when cranking the engine.
- If there is no APM reading, go to step 8 .
- If the AMP reading is within specifications check the wiring on the Motor Control Module (MCM).
- Use a test light on wire A
- If there is no illumination, verify that the MCM parameter is turned on. If it is on inspect the MCM wiring.
- If there is illumination, go to the next step.
- Check for power on wire B.
- If there is no power on B, replace the mag switch (1).
- If there is power, replace the starter. Go to the next step.
- To determine if the new starter resolved no start condition, attempt to start and run the engine.
- If the engine starts and runs, no further troubleshooting is required. Shut down the engine.
- If the engine fails to crank, check for internal engine damage. Refer to "2.4 Internal Engine Damage" .
|EPA07 DD15 Troubleshooting Guide - DDC-SVC-MAN-0029|
|Generated on 10-13-2008|