Mcm Connector - Detroit Diesel EPA07 Series 60 DDEC VI Troubleshooting Manual

[a] If the voltage is between 2.75 and 3.25 volts, refer to section 29.2.1.1.
[b] If the voltage is less than 2.75 volts, go to step 9.
9. Measure the voltage between pin 2 of the ECT Sensor harness connector and ground.
[a] If the voltage is between 2.75 and 3.25 volts, repair the open circuit between pin 1
of the ECT Sensor harness connector and pin 55 of the 120–pin MCM connector
(see Figure 29-2). Refer to section 29.2.1.1.
[b] If the voltage is less than 2.75 volts, repair the open circuit between pin 2 of the ECT
Sensor harness connector and pin 110 of the 120–pin MCM connector (see Figure
29-2). Refer to section 29.2.1.1.
Figure 29-2

MCM Connector

29.2.1.1 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
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