169000730 - Z90 REVERSE GEAR SWITCH ERROR

The diagnostic equipment signals the following error: "C1134 - Reverse switch"
this error is signalled if the reverse switch is not working properly. The switch is used for the operation of the Hill Holder.
1REVERSING SWITCH OPERATION CHECKAll OKProblems encounteredOperation
Connect the Examiner, enter into the fault diagnosis in the "PARAMETERS" mode (Engine management) and check the "CLUTCH PEDAL STATUS" parameter.Engage reverse and check that the switch changes statusMove on to Step 4 1Incorrect readingReplace the sensor.Move on to Step 2 1
2REVERSING SWITCH CHECKAll OKProblems encounteredOperation
Detach the connector for the switch and check its operationMove on to Step 2 1The switch is not working properlyReplace the switch Op. 5550D22 REVERSING LIGHT SWITCH - R+RMove on to Step 4 1
3ELECTRICAL CONNECTION CHECKAll OKProblems encounteredOperation
Check the electrical continuity between the reversing switch and the body computerMove on to Step 4 1Electrical continuity failure between the switch and the body computerRestore the connection.Move on to Step 4 1
4CHECK ON CORRECT OPERATIONAll OKProblems encounteredOperation
Road test the vehicle to check that the system is working properlyEnd of diagnosis