996 Carrera Group 0 Part 1 Diagnosis / PAGE 306
, !ReSUIt I Possible causes of fault · Test Work instruction
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911 Carrera (996) PSM diagnosis
, !ReSUIt I Possible causes of fault
Test Work instruction
103 lest: open circuit in signal circuit .2 kOhm No:
-Greater than 2 kOhm: open circuit
Measure resistance betweenthe between:
Tollowingterminals: PSM control module wiring harnessplug
PSM control module wiring harness (wiring harness side) terminals 12, 13
olug (wiring harness side) terminal 12 for Carrera 2, 28 for Carrera 4
and and
PSM control module wiring harness front left speed sensor
olug (wiring harness side) terminal 13 terminals 5, 4
ITorCarrera 2, 28 for Carrera 4
'- Less than lkOhm:
Short circuit in wiring harnessbetween:
PSM control module wiring harnessplug
(wiring harness side) terminal 12
and
PSM control module wiring harness plug
(wiring harnessside) terminal 13
for Carrera 2, 28 for Carrera 4
Note: The connection points 141 and
142 are located in the wiring harness.
Check the wiring harnessfor pinchingor
I res: TO4 chafinRdamaRe.
TO4 Test: component Lessthan No:
0.1 V -PSM control module faulty
.Set the measuring range to
alternating voltage on the multimeter.
.Vehicle jacked up and front left wheel
turned slowly by hand
.Measure voltage betweenthe
following terminals:
PSM control module wiring harness
plug (wiring harness side) terminal 12
and
PSM control module wiring harness
plug (wiring harness side) terminal 13
for Car[~ra2.. 28 for Carrera 4 TO5
45 -D 243
IYes:
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