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

Heating diagnosis 911 Carrera (996) Fault, Fault code Possible causes, elimination, notes Voltage too high Note A higher blower voltage can only be caused by a short to ground on the wires to pins 1 or 2 of the driver. 1. UnplugconnectorC from the heating/air-conditioningcontrol. 2. Unplug connector from the driver, 3. Connectohmmeter to C 16 and ground. Display: 00 .Q 4. Unplug connector from the fan motor. 5. Connectohmmeter to driver connector pin 2 and ground. Display: 00 .0. Test point 13 Control module Replacethe heating/air-conditioningcontrol Control module faulty Fault code 32 Test point 14 Sunsensor Diagnosis conditions No control module fault stored. Short to B+ No fault with supplyvoltage (5 volts). Short to ground Fault code 33 Short to B+/ Short to ground 1. Removesun sensor. 2. Removeplug connectionfrom sunsensor. 8 80 -D 30 80 01 Diagnosis/troubleshooting, heating 99680Dl Printed in Germany -11, 1998.