996 Carrera Group 0 Part 1 Diagnosis / PAGE 214
Test Work instruction Result Possible causes of fault · TO3 open circuit in signal circuit
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911 Carrera 4 (996) PSM diagnosis
Test Work instruction Result Possible causes of fault
TO3 open circuit in signal circuit than No:
5 Ohm -Open circuit between:
.Measure resistance betweenthe iPSMcontrol moduleIwiring
following terminals: harnessplug (wiring harness side),terminal
PSM control module 6
wiring harnessplug (wiring harness and
side)terminal 6 PSM hydraulic unit
and wiring harnessplug (wiring harness side)
PSM hydraulic unit terminal 3
wiring harness plug (wiring harness
Iside)terminal 3 Note: Check the wiring harnessfor
Yes: EO! oinchingor chafing damage.
IEOl 1-PSMhydraulicunit faulty I
45 -D 151
ITest:,-ess
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