Test Work instruction Result Possible causes of fault · TO2 Test: open circuit in ground circuit

911 Carrera 4 (996) PSM diagnosis Test Work instruction Result Possible causes of fault TO2 Test: open circuit in ground circuit approx. 5 V No: -Open circuit in circuit between: .Measure voltage betweenthe PSM control module wiring harness plug following terminals: (wiring harness side)terminal 19 Transverseacceleration sensor wiring and harnessplug (wiring harnessside) transverse accelerationsensor wiring terminal 3 harnessplug (wiring harness side) and terminal 1 transverse accelerationsensor wiring or harnessplug (wiring harness side) -PSM control module faulty terminal 1 Note: The plug connection Xl/4 (terminal 6) is located in the wiring harness. Check the wiring harnessfor Yes: 103 oinchingor chafing damage. TO3 Test: open circuit in signal circuit Tester No: display -Open circuit between: .With the diagnostic tester, select the approx. transverse acceleration sensor wiring actual values for transverse -24 m/s2 harness plug (wiring harness side) acceleration sensor terminal 2 .Connect wiring harnessjumper to: and Transverseacceleration sensor wiring PSM control module wiring harness plug harnessplug (wiring harnessside) (wiring harness side) terminal 18 terminal 3 or and -PSM control module faulty transverse accelerationsensor wiring: harness plug (wiring harnessside) Note: The plug connection Xl/4 terminal 2 (terminal 7) is located in the wiring harness. Check the wiring harnessfor IYes: TO4 pinching or chafing damage. 45 -D 165