Test Work instruction Result Possible causes of fault · TO4 Test: component

911 Carrera 4 (996) PSM diagnosis Test Work instruction Result Possible causes of fault TO4 Test: component Less than No: 0.1 V -PSM control module faulty .Set the measuring range to alternating voltage on the multimeter. .Vehicle jacked up and rear left wheel turned slowly by hand .Measure voltage between the following terminals: PSM control module wiring harness plug (wiring harness side) terminal 13 and PSM control module wiring harnessI olug (wiring harness side) t~minal 14 jYes: 105 TO5 mechanical functionality IO.K. No: -Speed sensor Check rear left speed sensor and or toothed disc for soiling and damage Yes: EOl toothed disc faulty I EOl 1-Rearleft speedsensorfaulty I 45 -D 125 IjTest:I.