Stepless brake switch signal source (WABCO) Line interruption in supply line or short circuit of supply line to ground
|  | 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
|  | See also:
Description Line interruption in supply line or short circuit of supply line to ground. Effects on the driving operation No retarder operation. No brake pedal position, thus possible consequences are: No ANS. No gear release. Possible causes The connection between control unit and brake switch is interrupted or there is a short-circuit to ground in the cabling. Place of action No description available. Instruction Check plug connections, cabling and brake switch. 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. See also:
|  | Troubleshooting for cable break
|  | Troubleshooting a short-circuit to ground
|  | Aftersales service index
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