996 Carrera Group 0 Part 1 Diagnosis / PAGE 238
Test Work instruction Result Possible causes of fault · TO2 Test: open circuit in signal circuit
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911 Carrera 4 (996) PSM diagnosis
Test Work instruction Result Possible causes of fault
TO2 Test: open circuit in signal circuit Greaterthan
11 V -Open circuit between:
.Engine runs at idle speed PSMcontrol module
.Measure voltage betweenthe wiring harnessplug (wiring harness side)
following terminals: terminal 38
PSM control module and
wiring harnessplug (wiring harness generator terminal L
side)terminal 38 or
and -generator faulty
ground
Note: The plug connection X 1/3
(terminal6), connection point 39, plug
connectionX 2/3 (terminal 5) and plug
connectionX 59/1 (terminal 12) are
located in the wiring harness. Check the
wiring harnessfor pinchingor chafing
Yes: EO! aama,ge.
I EOll- PSMcontrolmodulefaulty, I
45 -D 175
INo:
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