Engine System Overview 2.1.6 Cold Mode Operation Cold mode operation is activated based on the coolant temperature. The engine power is limited and the low idle speed may be elevated when in cold mode. Refer to the Operation and Maintenance Manual and the Troubleshooting Guide for the engine for more information. 2.1.7 Engine Protection and Monitoring The engine control system uses the engine sensors to monitor engine operating conditions. Operation outside of customer or factory configured normal operating conditions will cause the engine to employ warning, derate, or shutdown strategies as defined in the engine protection and monitoring strategy.
If any of these conditions occurs, an event is logged in the engine ECU. Refer to Engine Monitoring and Protection (section 15) for more information. 2.2 Factory Configuration Parameters Factory configuration parameters are ECU software settings that affect the emissions, power, and identification of the engine. These parameters are programmed at the factory during engine assembly and test. Emissions control agencies require that the factory setting for these parameters is stamped on the engine information plate and any changes to these settings require that the engine plate be updated along with the change to the ECU setting.
The factory configuration parameters must be reprogrammed if the ECU is replaced and/or the engine rating is changed. These parameters do not need to be reprogrammed if the ECU is re-flashed with a latest version of software flash file. Refer to the Factory Configured Parameters section of this document for more information on definition and configuration of each factory-set parameter. Factory configuration parameters supported: • Engine Serial Number • Rating Number • Full Load Setting (FLS) • Full Torque Setting (FTS) Notes on Programming Parameters 1. Changing parameters protected by factory passwords may void Caterpillar warranty.
Consult Dealer Support Network contacts before changing these settings. 2. In order for the programmed values to change, the key switch (switched power only) must be cycled off and on. 3. If there is an interlock error (personality module mismatch), then the programmed parameters will not change. It may appear that the parameters are changed, but they will not change until the “personality module mismatch” code is cleared. A P P L I C A T I O N A N D I N S T A L L A T I O N G U I D E 7