DDEC V System Series 60 Diesel Engine

DDEC V provides an indication of engine and vehicle malfunctions. The ECU continually monitors the DDEC V system.

Any faults that occur are stored as codes in the ECU’s memory. These codes can be accessed in any of three ways: ‪

  1. A DDDL ® can be used to read the codes.
  2. A personal computer (PC) connected to the ECM through a translator device which converts J1708 to RS232 protocol can be used.
  3. The Amber Warning Lamp (AWL) or the Red Stop Lamp (RSL) is illuminated.
    • The AWL (panel mounted yellow indicator light) illuminated diagnose condition as soon as convenient.
    • The RSL (panel mounted red indicator light) and AWL illuminated, a major fault occurred and immediate attention required to avoid engine damage.
    • Automatic engine shutdown or rampdown is available as an option. A shutdown override switch is required to allow the vehicle to be moved to a safe location during automatic shutdown or rampdown.

The Detroit Diesel Diagnostic Link ® (DDDL) is a sophisticated PC   software package that requests and receives engine data and diagnostic codes. The Detroit Diesel Diagnostic Link ® DDDL supports DDEC   V and the Series 60 2004 engine.

The DDDL functions are: ‪

  • Read and display current calibration for an ECU.
  • Create a calibration for the ECU on an individual engine.
  • Save a single calibration with an ECU password, this same password can be used for fleet of vehicles with the same password or technican who does not have access to the password.
  • Change the engine rating of a vehicle.
  • Set the injector calibration when you replace the injectors.
  • View an audit trail of ECU and injector calibration changes.

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