996 Carrera Group 0 Part 1 Diagnosis / PAGE 243
Test Work instruction Result Possible causes of fault · TO5 T~st:.Short to ground in signal
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Test Work instruction Result Possible causes of fault
TO5 T~st:.Short to ground in signal Greater No:
Circuit than 500 -Short circuit to ground between:
kOhm PSM control module
.Ignition off wiring harnessplug (wiring harness side)
.Measure resistance betweenthe terminal 44
following terminals: and
PSM control module wiring harness PSM switch
plug (wiring harness side)terminal 44 wiring harnessplug (wiring harness side)
and terminal 1
ground
Note: The plug connection X 1/3
(terminal 10) is located in the wiring
harness. Check the wiring harnessfor
Yes: T06 ~~oLchafing damage.
T06 open circuit in signal circuit Greater No:
than 12 V -Open circuit between:
Ignitionon PSMcontrol module
.PSM switch Off actuated wiring harnessplug (wiring harness side)
.Measure voltage betweenthe terminal 44
following terminals: and
PSM control module PSM switch
wining harnessplug (wiring harness wiring harnessplug (wiring harness side)
side)terminal44 terminal 1
and or
grG>und PSM switch faulty
Note: The plug connection X 1/3
(terminal 10) is located in the wiring
harness.Check the wiring harnessfor
IYes:EOl pinchingor chafing damage.
IEOI 1-P§M control modulefaulty I
45 -D 180IIITest:,i.
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