PSM diagnosis 911 Carrera 4 (996) · 8.29 Pressure sensor circuit

PSM diagnosis 911 Carrera 4 (996) 8.29 Pressure sensor circuit Test Work instruction Result Possible causes of fault T01 Test: short to ground/ open circuit approx. 5 V No: in power supply circuit -Display 0 V: Short circuit to ground/open circuit in Ignition off circuit between: Pull wiring harness plug off of: PSMcontrol module wiring harnessplug (wiring harness Pressure sensor .Ignition on side)terminal 69 .Measure voltage betweenthe and following terminals: pressure sensor wiring harnessplug (wiring harness pressure sensor wiring harnessplug (wiring harness side)terminal 3 side)terminal 3 -Display greater than 11 V: and Short circuit to voltage between: ground PSMcontrol module wiring harnessplug (wiring harness side)terminal 69 and pressure sensor wiring harnessplug (wiring harness side)terminal 3 or Yes:102 -~M control mod~ faulty 102 open circuit in ground circuit approx.5 V No: -Open circuit in circuit between: .Measure voltage betweenthe PSMcontrol module wiring harnessplug (wiring harnessside) following terminals: pressure sensor terminal 67 wiring harnessplug (wiring harness and pressure sensor side)terminal 3 wiring harness plug (wiring harness side) and terminal 1 pressure sensor wiring harnessplug (wiring harness or side)~rminal 1 Yes: TO3 -PSM co-Okolmodule faulty 45 -D 172 iTest:!.