Test Work instruction Result Possible causes of fault · TO5 open circuit in ground circuit -

911 Carrera 4 (996) PSM diagnosis Test Work instruction Result Possible causes of fault TO5 open circuit in ground circuit -ess than No: 5 Ohm -open circuit in circuit between: .Ignition off PSMhydraulic unit .Pull wiring harness plug off of: wiring harness plug (wiring harness side) PSM hydraulic unit terminal 13 .Measure resistance betweenthe and following terminals: ground point 2 PSM hydraulic unit wiring harnessplug (wiring harness side)terminal 13 and ground.. Yes: T06 TOG Test: component Return No: pump -Open circuit between: .Connect wiring harness plug to: running Relay for return pump socket terminal 8 PSM hydraulic unit and .Connect electrically fused wiring hydraulic unit wiring harness plug (wiring harness jumper to: harness side) terminal 14 Relay for return pump socket terminal 2 orI and PSM control module faulty relay for return pump socket terminal 8 Note: Check the wiring harnessfor Note: Do not let return pump run for pinchingor chafing damage. longer than 5 seconds! 45 -D 135 Test:J~I91