Calibrations, Diagnostic Tests (Cat ET)
Some of the components that are connected to the Machine ECM can be calibrated by using the Caterpillar Electronic Technician (Cat ET).
Calibrations are performed when directed by troubleshooting procedures or replacing a component within the calibrated system.
The calibration of a component allows the ECM to determine the correct output level. The calibration also allows the ECM to determine the correct input signal of displacement.
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| Illustration 1 | g03142124 |
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| Required Tools | ||||
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| Tool | Item | Qty | Part
Number |
Description |
| C | 1 | 317-7484(1) | Communication Adapter Gp | |
| C1 | 1 | 370-4617 | Cable As (USB PC Communication) | |
| C2 | 1 | 317-7485 | Communication Adapter III | |
| C3 | 1 | 327-8981 | Cable As (Data Link) | |
| C4 | 1 | 317-7492 | Cable As Wireless Radio | |
| C5 | 1 | JERD2129 | Caterpillar Electronic Technician (Cat ET) | |
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| (1) | Cat Electronic Technician (ET) and Software CD, NETG5057 are required when using the communication adapter. |
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| Illustration 2 | g03643824 |
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Machine ECM Calibration screen | |
The following calibrations can be performed to the Machine ECM:
Engine Cooling Fan Calibration
- Engine Cooling Fan Minimum Speed
- Engine Cooling Fan Maximum Speed
- Decel/Brake Pedal Calibration
Drive Motor Solenoid Calibration
- Drive Motor Solenoid Calibration
Note: To calibrate the drive motor solenoid the machine must be safely lifted and supported, such that the wheels are off the ground and can safely spin.
Pump Signal Solenoid Calibration
- Pump Signal Solenoid Calibration
- Implement Raise Valve #1 Manual Calibration
- Implement Lower Valve #1 Manual Calibration
- Implement Rackback Valve #1 Manual Calibration
- Implement Dump Valve #1 Manual Calibration
- Throttle Pedal Calibration
Caterpillar Information System:
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