996 Carrera Group 0 Part 2 Diagnosis / PAGE 119
Seat memory diagnosis 911 Carrera (996) · Test point 21
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Seat memory diagnosis 911 Carrera (996)
Test point 21
Pot. mirror right vertical This fault is stored in the following cases:
short circuit 1. There is a short circuit in the wire to the pot. right rearview mirror.
Fault code 23
2. The potentiometeris faulty.
3. The control module is faulty.
Elimination:
Replacesupport with transmission.
Actuateswitchfor memoryseatadjustment.
The text in the fault memory changes from present to not present
if the cause of the fault has really been eliminated.
If the fault is still present, there is a fault in the wire.
For a fault in the wire, proceed as described below:
Disconnectplug at support with transmission,
Disconnectmirror plugfrom the controlmodule.
Use an ohmmeter to check for short circuit on the support plug
Pin I, wire colour grey, and Pin 7, wire colour pink. No continuity
must be measured! If no short circuit is detected:
Use an ohmmeter to check for open circuit on the support plug
Pin 3 and the mirror plug on the control module Pin 5
Ohmmeter display <5,Q
Use an ohmmeter to check for continuityon the support plug
Pin 1 and Pin 7.
If no fault is detected in the wire but the fault is still present,
replace the control module.
72 -D 30 7298 Diagnosis/troubleshooting, seat memory (System SOl)
99672D1 Printed in Gemlany -25, 1999
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