996 Carrera Group 0 Part 2 Diagnosis / PAGE 270
External dimming · Ignition on
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911 Carrera (996) Instrument cluster diagnosis
External dimming
Ignition on
Actuate drive link with F5 (On), F6 (Off)and F8 (Stop) keys
Test:
Visual inspection: display dims
If the display does not dim, replace the instrumentcluster
Spoiler
Ignition on
Actuate drive link with F5 (On), F6 (Off) and F8 (Stop) keys
Test:
Visual inspection:spoiler extended/ retracted?
If not:
Checkfuse D 8
Check "extend spoiler"and "retract spoiler" relays
Pull off relays
Connectohmmeter to terminals 85 and 86
Ohmmeterdisplay: approx. 75 .0.
Measurevoltage between relay carrier pin 5 and ground
Voltmeter display: Battery voltage
Ohmmeteron relay carrier pin 4 and ground
Ohmmeterdisplay: <5.0.
Pull plug off the spoiler
Ohmmeteron spoiler plug pin 1 and relay carrier
(extend spoiler) pin 3
Ohmmeterdisplay: < 5 Q
90 -D 103
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