PSM diagnosis 911 Carrera 4 (996) · Test Work instruction Result Possible causes of

PSM diagnosis 911 Carrera 4 (996) Test Work instruction Result Possible causes of fault TO3 Test: voltage short in signal circuit Less than No: 0.3 V -Short circuit to voltage between: .Pull wiring harness plug off of: rate-of-turnsensor wiring harness plug PSM control module (wiring harnessside) terminals3, 4, 5 .Measure voltage betweenthe and following terminals: PSMcontrol modulewiring harnessplug rate-of-turnsensor (wiring harnessside) terminals79, 78, wiring harness plug (wiring harness 77 side) terminals 3, 4, 5 and Note: The plug connection Xl/4 ground (terminals3, 4, 5) is located in the wiring harness. Checkthe wiring harness Yes: 104 for pinchingor chafine damaee. TO4 Test: short to ground in signal Lessthan No: circuit 5 Ohm -Short circuit to ground between: rate-of-turn sensor .Ignition off wiring harness plug (wiring harness side) .Measure resistance between the terminals 3, 4, 5 tollowing terminals: and rate-at-turn sensor PSM control module wiring harness plug (wiring harness wiring harness plug (wiring harness side),terminals side) terminals 3, 4, 5 79, 78, 77 and ground Note: The plug connection Xl/4 (terminals3, 4, 5) is located in the wiring harness.Check the wiring harness IYes:T05 for pinchingor chafing damage. ~5 -D 170 I