80-19Fault code 35 · Interface for instrument cluster (see Instrument clus-

911 Turbo (996) Air conditioning H01, H02 80 80-19Fault code 35 Interface for instrument cluster (see Instrument clus- ter FS) Diagnostic conditions • Ignition on Possible cause of fault ♦Lacking information such as engine speed, outside temperature, speed or sun intensity, which are transferred via the CAN Com- fort Bus for the purpose of air-conditioning regulation Note! ♦If the necessary information is not forthcoming, because the rel- ative control unit is defective or faulty, the air-conditioning sytem regulator functions using substitute values and simultaneously saves the error code 35. ♦In the menu item, actual values, the substitute values can be read out. The defective control unit or faulty sensor is also indi- cated, so the fault memory in the instrument cluster can be read out. ♦If, for examle, actual values of a speed of 60 km/h for the air- conditioning in a stationary vehicle are given, this indicates a fault in the ABS/ PSM System and the consequent inaccurate speed signal. Note! ♦The CAN Comfort bus is connected to the following control mod- ules: ♦Air conditioning ♦Instrument cluster Affected terminals Plug B, terminals 1 and 2 Diagnosis/troubleshooting Work instruction Display OK If not OK 1 ♦Read out the fault memory of the instrument cluster (see → End instrument cluster diagnosis) 8001 Fault code 35 80-19 page 1 Printed in Germany – 15, 2001 35xxxh02