How to Use CAT ET to Check the Programming of the Parameter Dedicated PTO Parameters

October 5, 2021 Eva Heavy Duty Diagnostic Tools 0

Remote Switches

How-to-Use-CAT-ET-to-Check-the-Programming-of-the-Parameter-Dedicated-PTO-Parameters-1

1). Use CAT ET to Check the Programming of the Parameter Dedicated PTO Parameters.
→Connect CAT ET to the data link connector.
→Access the Dedicated PTO Parameters on Cat ET. Note the programming of the parameter PTO Configuration (Remote Switches).

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2). Check the Circuit for the PTO On/Off Switch.
→Activate the PTO operation.
→Access the CAT ET Status screens that display the following status parameters.
PTO Config (Remote Switches)
PTO On/Off Switch – J1/P1:56

→Verify that each of the interlocks for the PTO are set. Then, while the CAT ET Status screen is being monitored, move the PTO On/Off Switch to the ON and OFF position.

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3). Check the Status of the Set/ Resume Input.
→View the Status parameter on CAT ET for the Remote PTO Set Switch – J1/P1:58 and for the Remote PTO Resume Switch – J1/P1:60.
→While the Status screen of CAT ET for the switch is being monitored, perform the following procedure in order:
-Put the Remote PTO Set/Resume Switch in the Set position. The status of the Remote PTO Set Switch – J1/P1:58 changes from “OFF” to set switch “ON” when the Remote PTO Set Switch is moved to the SET position, and the Engine RPM will increase.

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-Put the Remote PTO Set/Resume Switch in the Resume position. The Status of the Remote PTO Resume Switch – J1/P1:60 changes from “OFF” to resume switch “ON” when the Remote PTO Resume Switch is moved to the RESUME position, and the Engine RPM will decrease.

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-Also monitor the Status of the PTO Set RPM, will changes from 0 RPM to actual Engine Speed (will equal) and the PTO Kickout (Not Kicked Out).

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-PTO Kickout value will changes to PTO Switch Turned Off when the PTO On/Off Switch is turned to the “OFF” position.

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4). Monitor using the Real Time Graphing while simulate the PTO Configuration Test (Remote Switches).

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When the PTO Configuration is programmed to Remote Switches or to Remote Throttle and the PTO On/Off Switch is On, the following circuits are ignored:
• Service Brake Pedal Position Switch 1
• Service Brake Pedal Position Switch 2
• Clutch Pedal Position Switch
• Neutral Switch
• Accelerator Pedal Position Sensor
• Cruise Control Set/Resume Switch that is located in the Cab.

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