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CAN engine load source
CAN signal maximum engine torque faulty

Description
Effects on the driving operation
Possible causes
Place of action
Instruction
Setting conditions of the event
Testing conditions of the event
Final function check
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Description

The CAN signal containing the information on the maximum engine torque is faulty.

Effects on the driving operation

Hard shifts.

Possible causes

A CAN-message required to determine the current engine torque provides (a) faulty value(s).

Using the CAN-SAE-J1939-protocol: CAN

message 'EngConf': The CAN signal 'percent torque at point 3,4,5’ is faulty.

For information on the affected CAN-message, please refer to the system description.

Place of action

No description available.

Instruction

Check CAN message / CAN signal

and initiate correction if applicable.

Setting conditions of the event

No description available.

Testing conditions of the event

No description available.

Final function check

If the defective component cannot be clearly identified, you should try to reproduce the fault:

  • Reinstall the component in the vehicle.
  • Test function.

After the fault has been eliminated, the following steps have to be carried out:

  • Conduct a test drive with function check.
  • Read the fault memory
  • Check transmission for leaks.
  • Perform a final visual inspection.

These steps are necessary to ensure the entire vehicle functions correctly.



© by Voith Turbo GmbH & Co. KG, S. Brunnengräber
send remarks to stefan.brunnengraeber@voith.com (documentation department)