8.10 Wheel-speedsensor circuits · Test Work instruction Result Possible causes of fault

911 Carrera 4 (996) PSM diagnosis 8.10 Wheel-speedsensor circuits Test Work instruction Result Possible causes of fault T01 Test: mechanical functionality O.K No: -Speed sensor .Check front left speed sensor and or toothed disc for soiljng and damage T02 toothed disc faulty TO2 Test: mechanical functionality O.K. No: -Speed sensor .Check front right speed sensor and or toothed disc for soiling and damage toothed disc faulty 103 Test: mechanical functionality -Speed sensor .Check rear left speed sensor and oritoothed toothed disc for soiling and damage 104IO.K. disc faulty 104 Test: mechanical functionality No: -Speed sensor .Check rear right speed sensor and or toothed disc for soiling and damage EO! toothed disc faulty IEO! 1-PSMcontrolmodulefaulty' I 45 -D 129INo:IIYes:IYes:Yes:~~lo.K..