Detroit Diesel EPA07 Series 60 DDEC VI Troubleshooting Manual page 498

52.1 SPN 625/FMI 2
[b] If the resistance is less than 5 Ω, repair the short circuit to ground between pin 1 of
the CPC #4 connector and ground. Refer to section 52.1.1.1.
10. Check the resistance between pin 3 of the CPC #4 connector and ground.
[a] If the resistance is greater than 5 Ω, go to the next step.
[b] If the resistance is less than 5 Ω, repair the short circuit to ground between pin 3 of
the CPC #4 connector and ground. Refer to section 52.1.1.1.
11. Measure the resistance between pin 1 of the CPC #4 connector and pin 19 of the 21–pin
MCM connector.
[a] If the resistance is greater than 5 Ω, repair the open circuit between pin 1 of the CPC
#4 connector and pin 19 of the 21–pin MCM connector. Refer to section 52.1.1.1.
[b] If the resistance is less than 5 Ω, go to the next step.
12. Measure the resistance between pin 3 of the CPC #4 connector and pin 13 of the 21–pin
MCM connector.
[a] If the resistance is greater than 5 Ω, repair the open circuit between pin 3 of the CPC
#4 connector and pin 13 of the 21–pin MCM connector. Refer to section 52.1.1.1.
[b] If the resistance is less than 5 Ω, call the DDC Customer Support Center
(313–592–5800).
52.1.1.1 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.
52-4
All information subject to change without notice.
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