Electronic Control Module (ECM) - 16 Cylinders
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| Illustration 1 | g01092335 |
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Left side (1) Terminal box | |
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| Illustration 2 | g00828076 |
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ECM in the engine mounted terminal box | |
The Electronic Control Module (ECM) is an environmentally sealed unit that is mounted in a terminal box on the engine. The ECM monitors various inputs from sensors in order to activate relays, solenoids, etc at the appropriate levels. The ECM supports the following primary functions:
- Start/stop control
- Control of ignition
- Governing of the engine
- Air/fuel ratio control
- Monitoring of the electrical system
- Monitoring of engine operation
The ECM does not have a removable personality module. The software is changed by the flash programming of a file via the Caterpillar Electronic Technician (ET).
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