Heating diagnosis 911 Carrera (996) · Fault, Fault code Possible causes, elimination, notes

Heating diagnosis 911 Carrera (996) Fault, Fault code Possible causes, elimination, notes 9. Check wire from connector D 3 to drive motor pin 5 for short to B+ and short to ground. Test point 10 Motor of outside air / Diagnosis conditions recirculation valve No control module fault stored. No fault with supplyvoltage (5 volts). Signalimplausible Fault code 29 Signal implausible 1. Checkoutsideair / recirculationvalvefor smoothoperation. 2. UnplugconnectorsA, 8, C andD from the heatingjair-conditioning control. 3. Unplugconnectorfrom outsideair / recirculationvalvedrivemotor. 4. Connectohmmeter to connector D 13 and drive motor connector pin 1. Display: < 5 .0. Connectohmmeter to connector D 5 and drive motor connector pin 2, Display: < 5 Q Connectohmmeter to connector B 17 and drive motor connector pin 3. Display: < 5 .Q Connectohmmeter to connector C 8 and drive motor connector pin 4. Display: < 5 .Q Connectohmmeter to connector A 12 and drive motor connector pin 5 Display: < 5 Q 5. Check wire from connector D 13 to drive motor pin 1 for short to B+ and short to ground. 6. Check wire from connector 0 5 to drive motor pin 2 for short to B+ and short to ground. 80 -D 26 8001 Diagnosis/troubleshooting, heating 99680Dl Printed in Germany -11, 1998