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Engine load signals via PWM (Bosch-EDC, MB-EMR, MB-FMR, VDO-EGas,...)
Short-circuit to supply voltage of the PWM-signal input

Description
Effects on the driving operation
Possible causes
Place of action
Instruction
Setting conditions of the event
Test conditions of the event
Final function check
See also:
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Description

Short-circuit to supply voltage of the PWM-signal input

Effects on the driving operation

Hard shifts

Possible causes

Short-circuit of connector pin and/or cable to 24 V.

Place of action

No description available.

Instruction

Check cable and connector.

Setting conditions of the event

No description available.

Test 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 the function.

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

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

These steps are necessary to ensure the entire vehicle functions.

See also:

Troubleshooting for short-circuit to 24 V
Aftersales service index


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