Spn 723/Fmi 8; Time Out Check - Detroit Diesel Series 60 DDEC VI Troubleshooting Manual

34.3

SPN 723/FMI 8

[b] If the resistance is less than 5 Ω, repair the short to ground between pin 1 of the CMP
harness connector and pin 44 of the 120–pin MCM connector. Refer to section
34.2.1.1.
7. Measure the resistance between pin 2 of the CMP harness connector and pin 45 of the
120–pin MCM connector.
[a] If the resistance is greater than 5 Ω, review steps 2 through 7. If the results are the
same, contact Detroit Diesel Customer Support Center (313–592–5800).
[b] If the resistance is less than 5 Ω, repair the short to ground between pin 2 of the CMP
harness connector and pin 45 of the 120–pin MCM connector. Refer to section
34.2.1.1.
34.2.1.1 Verify Repairs
Perform the following steps to verify repairs.
1. Turn the ignition OFF and reconnect all connectors.
2. Turn the ignition ON.
3. Start and run the engine for one minute. Stop engine.
4. Check the diagnostic tool for codes.
[a] If no codes are logged, troubleshooting is complete.
[b] If code 723/4 and any other codes are logged, and the Engine Oil Pressure Sensor
was not replaced, replace the sensor and retest.
[c] If any codes except code 723/4 are logged, troubleshoot those codes.
34.3 SPN 723/FMI 8
A typical diagnosis is time out.
34.3.1

Time Out Check

Perform the following steps to troubleshoot a time out.
1. Start and run the engine.
2. Check for active fault codes.
[a] If fault codes 64/3 and 64/8 are active, troubleshoot active fault code 64/3.
Refer to section 34.1.1.
[b] If fault codes 64/4 and 64/8 are not active, go to step 3.
[c] If fault codes 64/4 and 64/8 are active, refer to section 34.3.2.
3. Shutdown the engine.
4. Ensure that the sensor is correctly positioned and check for active codes.
34-6
PRELIMINARY 6SE567 0512 Copyright © 2005 DETROIT DIESEL CORPORATION
All information subject to change without notice.