Brake switch signal source hand brake switch 3-stage Implausible brake switch signal
|  | 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:
Description Implausible brake source signal Effects on the driving operation No retarder activation Possible causes Implausible signal to the respective brake pedal stage. The signal is constituted by the 3 brake switch input signals. Place of action No description available. Instruction Set brake switch to valid position and check the faulty signal including the 3 inputs. 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:
|  | Aftersales service index
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