996 Carrera Group 0 Part 1 Diagnosis / PAGE 294
Test Work instruction Result Possible causes of fault · TO3 Test: open circuit in ground circuit
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911 Carrera (996) PSM diagnosis
Test Work instruction Result Possible causes of fault
TO3 Test: open circuit in ground circuit Greater No:
than 11 V Open circuit between:
.Measure voltage betweenthe diagnosiswiring harness plug terminals
following terminals: ~, 5
diagnosis wiring harness plug (wiring and
harness side) terminal 16 ground point 3.1, electronics ground
and
diagnosis wiring harnessplug (wiring
iharness side) terminals 4. 5 Yes: 104
TO4 Test: component O.K. No:
'1-Faulty component
t Check diagnostic tester for correct diagnostic tester
:unctioning IYes:_~
TO5 short to ground/open circuit Greater
In power supply circuit tnan 11 V Check the following components for
correct functioning:
Pull wiring harness plug off of: ruse 89
DSMcontrol module
Ignition on Note: an open circuit or a short circuit
Measurevoltage betweenthe IS present. Check wiring harnessfor
following terminals: continuityand for pinchesor chafing
DSMcontrol module damage.
wiring harness plug (wiring harness
side) terminal 23
and
I ground IYes: 106.,.
45 -D 231
ITest:INO:I
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