996 Carrera Group 0 Part 1 Diagnosis / PAGE 318
8.11 Valve relay circuit · Test Work instruction Result Possible causes of fault
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911 Carrera (996) PSM diagnosis
8.11 Valve relay circuit
Test Work instruction Result Possible causes of fault
TOI Test: short to ground/ Greater No:
open circuit in power supply circuit than 11 V -Check following components:
FuseE9,
.Ignition off Fuse F7
.Pull wiring harness plug off of:
PSM control module Note: an open circuit or a short circuit
.Measure voltage between the to ground is present. Check wiring
following terminals: harness for continuity and for pinches
PSM control module wiring harness or chafing damage.
plug
terminal 6
and
l~s:EOl
IEO! 1-Hydraulicunit faulty I
45 -D 255
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