CORE ASSEM. 7W5986 - Caterpillar

The Electronic Control Module (ECM) monitors the operating parameters of the G3516B Engine. The master ECM monitors the operating parameters of the G3520B Engine. The ECM can initiate a warning or a shutdown if a specific engine parameter exceeds an acceptable range. Use the Caterpillar Electronic Technician (ET) to perform the following activities:
Select the available responses.
Program the level for monitoring.
Program delay times for each response.The default settings for the parameters are programmed at the factory. To accommodate unique applications and sites, the parameters may be reprogrammed with Cat ET. The screens of Cat ET provide guidance for the changing of trip points.Note: Some of the parameters are protected by factory passwords. Other parameters can be changed with customer passwords.Refer to the Troubleshooting Manual for programming instructions and for instructions on troubleshooting events.Monitoring Parameters
"Low System Voltage"
The trip point for this parameter is set at the factory. The trip point cannot be changed. This parameter is always ON. This parameter cannot be turned off. If the system voltage decreases to the trip point or if the system voltage goes below the trip point, the ECM will generate a warning or a shutdown."High Engine Coolant Temperature"
The trip points for this parameter can be programmed by the customer. The shutdown response is always ON. The shutdown response cannot be turned off. If the engine coolant temperature increases to the trip point or if the engine coolant temperature exceeds the trip point, the ECM will generate a warning, a derating, or a shutdown."Low Engine Coolant Temperature"
The trip point for this parameter can be programmed by the customer. If the engine coolant temperature decreases to the trip point or if the engine coolant temperature goes below the trip point, the ECM will generate a warning."Engine Overspeed"
The trip point for this parameter is set at the factory. This parameter is always ON. This parameter cannot be turned off. If the engine speed increases to the trip point or if the engine speed exceeds the trip point, the ECM will activate an engine shutdown. A typical trip point is 118 percent of the engine's rated speed for generator set applications."High Engine Oil Temperature"
The trip