Fault memory · Overview of possible faults

Fault memory Overview of possible faults Interface to the instrumentcluster Outside temperature sensor Interior temperature sensor Blower outlet sensor Supplyvoltage (terminal 15) Supplyvoltage (5 volts) Motor I temperature mixing valve Motor I central valve Motor,footwell/ defrostvalve Motor,outsideair / recirculationvalve A/C (air-conditioningcompressordemand) Motor,fresh-airblower Control module faulty Sun sensor Note The fault counter is set to 50 the first time a fault occurs. The fault counter is reduced by 1 (decremented) if the fault is no longer present and the diagnosis conditions exist. The fault is erased from the memory when the fault counter reaches O. 80 -D 14 80 01 Dial~nosis/troubleshooting, heating 99680Dl Printed in Germany -11, 1998