Operation and Maintenance Manual
Engine - JLG
Engine - JLG
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34 SEBU8180-01<br />
<strong>Operation</strong> Section<br />
Features <strong>and</strong> Controls<br />
Illustration 27<br />
Failure of Sensors<br />
All Sensors<br />
A failure of any of the sensors may be caused by one<br />
of the following malfunctions:<br />
• Sensor output is open.<br />
• Sensor output is shorted to “- battery” or “+ battery”.<br />
• Measured reading of the sensor is out of the<br />
specification.<br />
g01425468<br />
Programmable Monitoring System<br />
(PMS)<br />
The Programmable Monitoring System determines<br />
the level of action that is taken by the Electronic<br />
Control Module (ECM) in response to a condition<br />
that can damage the engine. These conditions are<br />
identified by the ECM from the signals that are<br />
produced from the following sensors.<br />
• Coolant Temperature Sensor<br />
• Intake manifold Air Temperature Sensor<br />
• Intake manifold Pressure Sensor<br />
• Fuel Pressure Sensor