996 Carrera Group 0 Part 2 Diagnosis / PAGE 259
Instrument cluster diagnosis 911 Carrera (996) · Test point 2
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Instrument cluster diagnosis 911 Carrera (996)
8
Test point 2
Vehicle speed
Engine off
PST2 display a km/h
Drive vehicle at a constant speed
PST2 display
Tester display approximatelyequal to actual driving speed in km/h,
Troubleshooting:
Switch off ignition
Pull off plug II on the instrumentcluster
Switch ignition on
Lift the vehicle
Rotate the rear left wheel by hand
Measurethe voltage between plug II, pin 16 and ground
(AC range)
Voltmeter display > 1 V
If the wheel speed signal is present at the instrumentcluster, replace
the instrumentcluster. If the wheel speed signal is not present at the
instrumentcluster:
Switch off ignition
Pull plug off the ABS control module
Ohmmeteron instrumentcluster plug II pin 16 and ground
Ohmmeterdisplay: 00.0.
90 -D 92
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