Engine - Engine and Mounting Section 110-0030 SM - 1840 7 6 STOP 3 8 1 2 P 4 9 1,2 5 1 - Electronic Control Module (ECM) 2 - Programmable Read Only Memory (PROM) 3 - Electronic Unit Injectors (EUI) 4 - Batteries 5 - Electronic Foot Pedal 6 - Check Engine Light 7 - Stop Engine Light 8 - Diagnostic Request/Stop Engine Override Switch 9 - Diagnostic Test Point Fig. 2 - DDEC Components engine. The fault should be diagnosed and corrected at the earliest opportunity. Operates as a Stop Engine Override Switch when the engine is in a rampdown protection mode for any of the following: 7.
Stop Engine Light - When the 'Stop Engine' light comes on, the computer has detected a major malfunction in the engine that requires immediate attention. It is the operators responsibility to shut down the engine to avoid serious damage. Low Coolant Level High Coolant Temperature Low Oil Pressure High Oil Temperature 8. Diagnostic Request/Stop Engine Override Switch - Operates as a diagnostic request switch when: 9. Diagnostic Test Point - Plug in connector for diagnostic data reader (DDR). a - the engine is not running and ignition is 'On'. b - the engine is idling and not in an engine protection condition. Operation Numbers in parentheses refer to Fig. 2.
Pressing and releasing the switch will flash out the engine codes. Pressing the switch a second time will stop the engine codes flashing. The machine is equipped with the DDEC engine protection system, which records the stop engine malfunction in ECM (1). The stop engine and check engine lights illuminate when the engine protection system is initiated. The engine will immediately reduce to 70% of the available torque. Rampdown then commences over a 30 second period and reduces the engine to 40% of the available torque. Note: Inactive codes are displayed on Check Engine Light and active codes are displayed on Stop Engine Light. Code 25 means no codes present. SM 2121 Rev 1 11-03 3