Stepless brake switch signal source (WABCO) Fault reading brake switch voltage
|  | 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
Description Fault reading brake switch voltage. Effects on the driving operation No retarder operation. No brake pedal position, thus possible consequences are: No ANS. No gear release. Possible causes An internal fault has occurred while reading the brake switch voltage. The ADC value is not available. Place of action No description available. Instruction Replace control unit 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.
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