Detroit Diesel EPA07 Series 60 DDEC VI Troubleshooting Manual page 873

15. Measure the resistance between pin 11 on the valve cover side of the Rear Injector Harness
and pin 3 of the injector #6 harness connector. If using J-48671–10, measure between
injector #6 pin 3 and the injector #6 harness connector pin 3.
[a] If the resistance is greater than 3 Ω, replace the under valve cover injector harness.
Refer to section 122.1.1.1.
[b] If the resistance is less than 3 Ω, go to step 16.
16. Measure the resistance between pin 12 on the valve cover side of the Rear Injector Harness
and pin 4 of the injector #6 harness connector. If using J-48671–10, measure between
injector #6 pin 4 and the injector #6 harness connector pin 4.
[a] If the resistance is greater than 3 Ω, replace the under valve cover injector harness.
Refer to section 122.1.1.1.
[b] If the resistance is less than 3 Ω, replace injector #6. Refer to section 122.1.1.1.
122.1.1.1 Verify Repairs
Verify repairs as follows:
1. Turn ignition OFF.
2. Reconnect any electrical connections that were disconnected to perform the diagnosis.
3. Clear codes with DDDL 7.0 or latest version.
4. Start and bring engine up to operating temperature (over 140°F/60°C).
5. Verify operation is satisfactory and no warning lamps illuminate. If warning lamps
illuminate, troubleshoot the codes. If assistance is required, call the Detroit Diesel
Customer Support Center at 313–592–5800.
All information subject to change without notice.
Copyright © 2007 DETROIT DIESEL CORPORATION
SERIES 60 DDEC VI TROUBLESHOOTING GUIDE
122-5