996 Carrera Group 0 Part 1 Diagnosis / PAGE 179
Test Work instruction Result Possible causes of fault · 103 Test: short to ground/
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Test Work instruction Result Possible causes of fault
103 Test: short to ground/ Greater No:
open circuit in signal circuit than 11 V -Short circuit to ground or open circuit
between:
.Brake pedal actuated PSMcontrol module
.Measure voltage betweenthe wiring harnessplug (wiring harness side)
following terminals: terminal 48
PSM control module and
wiring harnessplug (wiring harness iplug connectionX 1/3
side)terminal 48 terminal 5
and and
ground stop light switch
terminal 2
or
-Stop light switch faulty
Note: The plug connection X 1/3
(terminal 5) and the jumper plug 6/2 are
located in the wiring harness. Check the
wiring harness for pinching or chafing
Yes: 104 sJ~mae:e.
ITO4 voltage short in signal circuit Less than No:
0.3 V -Short circuit to voltage between:
Brake pedal not actuated PSM control module wiring harness plugI
.Measure voltage betweenthe (wiring harness side) terminal 48
following terminals: iandI
PSM control module wiring harness stop light switch terminal 2
plug (wiring harness side) terminal 48 or
and -Stop light switch faulty
ground
Note: The plug connection X 1/3
(terminal 5) and the jumper plug 6/2 are
located in the wiring harness. Checkthe
wiring harnessfor pinchingor chafing~ge.
!Yes:EO! -
I EO! 1-PSMcontrolmod~lefaulty; I
45 -D 116
ITest:I.
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