Connector B (red) Connector C (beige) · 1 -Not used 1 -Not

911 Carrera (996) Heating diagnosis Connector B (red) Connector C (beige) 1 -Not used 1 -Not used 2 -Not used 2 -Feedback signal, compressor 3 -Not used 3 -Not used 4 -Not used 4 -Not used 5 -Footwell blower outlet sensor 5 -Not used 6 -Not used 6 -Not used 7 -Not used 7 -Terminal 58 8 -Position of temperature mixing valve 8 -Output + 5 volts 9 -Position of central valve 9 -Not used 10 -Position of footwell / defrost valve 10 -Not used 11 -Not used 11 -Feedback signal, fresh-air blower, negative 12 -Not used 12 -Not used 13 -Interface, instrumentcluster 13 -Not used 14 -Not used 14 -Feedback signal, fresh-air blower, positive 15 -Not used 15 -Not used 16 -Not used 16 -Actuation of fresh-air blower (driver) 17 -Position of outside air / recirculationvalve 18-Sun sensor 19 -Not used 20 -Not used 8001 Diagnosis/troubleshooting, heating 80 -D 11 Printed in Germany. 11, 1998 9968001