Detroit Diesel EPA07 Series 60 DDEC VI Troubleshooting Manual page 735

[a] If the resistance is greater than 3 Ω, replace the #5 injector. Refer to section 96.2.1.1.
[b] If the resistance is less than 3 Ω, go to step 11.
11. Disconnect injector #6.
12. Measure the resistance between pin 9 on the valve cover side of the Rear Injector Harness
12–pin connector and ground. If you are using J-48671–10, measure between injector #6
pin 1 and ground.
[a] If the resistance is greater than 3 Ω, replace the #6 injector. Refer to section 96.2.1.1.
[b] If the resistance is less than 3 Ω, replace the under valve cover injector harness.
Refer to section 96.2.1.1.
13. Disconnect the 120–pin MCM connector.
14. Measure the resistance between pin 10 on the valve cover side of the Rear Injector
Harness 12–pin connector and ground.
[a] If the resistance is less than 3 Ω, repair the short to ground between pin 11 of the
MCM 120–pin connector and pin 10 of the Rear Injector Harness 12–pin connector.
Refer to section 96.2.1.1.
[b] If the resistance is greater than 3 Ω, call the Detroit Diesel Customer Support Center
at 313–592–5800 for MCM replacement authorization.
96.2.1.1 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
96-5