Spn 2629/Fmi 20; Turbocharger Check - Detroit Diesel Series 60 DDEC VI Troubleshooting Manual

38.3 SPN 2629/FMI 20

This condition is typically temperature too high from the turbo outlet.
38.3.1

Turbocharger Check

Check as follows:
1. Inspect the turbocharger outlet plumbing and charge air cleaner for blockage, leaks
or cracks. Repair as necessary
2. Turn the ignition ON (key On, engine OFF).
3. Perform the turbo hysterisis test.
[a] If the test fails, replace the turbo actuator. Refer to section 38.3.1.1.
[b] If the test is a pass, go to step 4.
4. Disconnect the Turbo Out Temperature Sensor.
[a] Inspect the connectors for damage, corrosion, spread or bent pins. Repair as
necessary. Refer to section 38.3.1.1.
[b] If the connectors are OK, replace the Turbo Out Temperature Sensor. Refer to section
38.3.1.1.
38.3.1.1 Verify Repairs
Verify repairs as follows:
1. Turn the ignition OFF. Reconnect all connectors and turn ignition ON.
2. Clear codes with diagnostic tool.
3. Start and run the engine for one minute. Stop engine.
4. Check diagnostic tool for codes.
[a] If no codes are displayed, troubleshooting is complete.
[b] If code 2629/20 is not logged, and other codes are logged, troubleshoot the logged
codes.
[c] If code 2629/20 and other codes are logged, review this section to find the error. If no
error is found, call the Detroit Diesel Customer Support Center (313–592–5800).
All information subject to change without notice.
PRELIMINARY 6SE567 0512 Copyright © 2005 DETROIT DIESEL CORPORATION
DDEC VI SERIES 60 TROUBLESHOOTING GUIDE
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