10.2
ENGINE CRANKS BUT WILL NOT START
[a] If the fuse and circuit breaker are okay, refer to section 10.2.23.
[b] If the fuse or circuit breaker are not okay, refer to section 10.2.26.
10.2.26 Check for Short to Ground
Perform the following steps to check for a short to ground:
1. Disconnect the batteries.
2. Measure resistance between #240 and a good ground (black lead).
3. Measure resistance between #241 and a good ground (black lead).
[a] If the resistance measurement is greater than or equal to 10,000
on all readings,
refer to section 10.2.8.
[b] If the resistance measurement is less than 10,000
on any readings, a short to
ground exists. Repair the short. Refer to section 10.2.27.
10.2.27 Verify Repairs
Perform the following steps to verify repairs:
1. Turn ignition OFF.
2. Reconnect all connectors.
3. Turn ignition ON.
4. Clear codes.
5. Start and run the engine for one minute.
6. Stop the engine.
7. Read inactive codes.
[a] If the engine starts and no codes are displayed, troubleshooting is complete.
[b] If the engine does not start, refer to section 10.2.1.
[c] If the engine starts and codes display, refer to section 9.1.
10.2.28 Check Fuel Filters
Perform the following steps to check fuel filters:
1. Turn ignition OFF.
2. Check primary and secondary fuel filters to be sure they are not clogged and they are
filled with clean fuel.
[a] If the fuel filters are clean, refer to section 10.2.4.
[b] If the fuel filters are not clean, replace the filters. Prime the system if required.
Refer to section 10.2.27.
All information subject to change without notice.
10-16
6SE497 9709 Copyright © 1997 DETROIT DIESEL CORPORATION
