Test Work instruction Result Possible causes of fault · ITO3 Test: open circuit in signal

911 Carrera 4 (996) PSM diagnosis Test Work instruction Result Possible causes of fault ITO3 Test: open circuit in signal circuit 2 kOhm -Greater than 2 kOhm: Open circuit .Measure resistance betweenthe between: following terminals: PSMcontrol module wiring harnessplug PSM control module wiring harness (wiring harnessside) terminals 15, 16 plug (wiring harnessside) terminal 15 and ,and plug connectionX 1/4 terminals 16, 17 PSM control module wiring harness and plug (wiring harness side) terminal 16 front right speed sensor terminals 5, 4 -Less than 1 kOhm: Short circuit in wiring harness between: PSMcontrol module wiring harnessplug (wiring harnessside) terminal 15 and PSMcontrol module wiring harnessplug (wiring harnessside) terminal 16 Note: Disconnect the plug connection X 1/4 (terminals 16, 17) for further troubleshooting. The connection points 143 and 144 are located in the wiring harness. Check the wiring harness for Yes: T04 pinching or chafing damage. TO4 component Less than0.1 '10: V 0 PSM control module faulty .Set the measuringrange to alternatingvoltage on the multimeter. .Vehicle jacked up and front right wheel turned slowly by hand .Measure voltage betweenthe following terminals: PSM control module wiring harness plug (wiring harness side)terminal 15 and PSM control module wiring harness plug (wiring harness side)terminal 16 Yes: 105 45 -D 121 IINo:'Test: