Fault, Fault code Possible causes, elimination, notes · Test point 18

911 Carrera (996) Seat memory diagnosis Fault, Fault code Possible causes, elimination, notes Test point 18 Pot. mirror right horizontal This fault is stored in the following cases: open circuit 1. There is an open circuit in the wire to the pot. right rearview mirror. Fault code 20 2. The potentiometer is faulty 3. The control module is faulty. Elimination Replacesupport with transmission. Actuate switch for memory seat adjustment, The text in the fault memory changesfrom present to not present if the cause of the fault has really been eliminated. If the fault is no longer present, erase the fault memory If the fault is still present, there is a fault in the wire. For a fault in the wire, proceed as described below: Disconnectmirror plugfrom the controlmodule. Disconnectsupport with transmissionplug, Use an ohmmeter to check for open circuit on the support plug Pin 5 and the mirror plug on the control module Pin 11. Ohmmeterdisplay <5.0. Use an ohmmeter to check for open circuit on the support plug Pin 7 and the mirror plug on the control module Pin 4. Ohmmeter display <5,Q Use an ohmmeter to check for continuityon the support plug Pin 3 and Pin 5. If no fault is detected in the wire, replace the control module, 7298 Diagnosis/troubleshooting, seat memory (System SOl) 72 -D 27 Printed in Germany -25, 1999 99672Dl