Fault, Fault code Possible causes, elimination, notes · Test point 15

911 Carrera (996) Seat memory diagnosis Fault, Fault code Possible causes, elimination, notes Test point 15 Hall-effectsensor rear height This fault is stored in the followingcases: adjustment, short circuit 1. There is a short circuit in the wires to the Hall-effectsensor, Fault code 15 2. The Hall-effectsensor is faulty. 3. The control module is faulty. Elimination: Disconnectplug from control module, check for continuitywith ohmmeter on Pin 2 and Pin 3. If a short circuit is found, check the sensor wires first. If no fault is detected in the wire, replace the electric motor for height adjustment. Once the cause of the fault has been found and eliminated,actuate the height adjustmentswitch. 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, replace control module. Test point 16 Lumbarpressuresensor This fault is stored in the followingcases: open circuit 1. There is an open circuit in the wire to the lumbar pressure sensor. Fault code 18 2. Thepressuresensoris faulty. 3. The control module is faulty, Elimination: Check plug on control module for contact and damage Check wire to sensor for damage, 7298 Diagnosis/troubleshooting, seat memory (System SOl) 72 -D 25 Printed in Germany -25, 1999 99672Dl.