91 80 On.board computer: 91 20 Radio: · Discon ection of the vehicle battery deletes the The radio reverts to

911 Carrera (996) General 91 80 On.board computer: 91 20 Radio: Discon ection of the vehicle battery deletes the The radio reverts to the Code function when the memo ies for average speed and average battery is disconnected and is thus no longer consu ption. ready for operation. As a r suit, the displayed range on remaining fuel ca be markedlydifferentor evenO. Remedy: The ou side temperature indicator loses its Inputthe radio code. If the code card is memo effect. In other words, the indicated unavailable,the radio code can be read from the outsid temperature can be too highdue to the DMEcontrol module(under"Vehicledata").The heatra iated whenthe vehicleis hot. code is also availablefrom the Porsche IPAS. 90 23 Fu.~1level display: 91 10 PCM: Only 911 C:arrera 4 (996)and GT3 are 1. The PCM reverts to the Code input function affected: when the battery is disconnectedand is thus If the ower supply is interrupted by a no longer ready for operation. discha ged or disconnected battery with the tank c ntaining less than 19 I, the calculated 2. Whenthe power supply is disconnected,the value f r the range on remainingfuel in the built~nGPSreceiver loses the so-called instru ent cluster will be incorrect or deleted. "almanac"containingthe satellite orbital paths. If the contains less than 10 I, it is possible 3. The date and time are deleted when the tinkthat th fuel level warning light is no longer battery is disconnected. activat d. 4. Radio stations stored by the customer are no If the p wer supply is restored with the fuel level longer displayed. at less than 19 I, it is possible that the fuel level is play may subsequently display too 5. Ifthe telephonecard was insertedand the much n some 996 Carrera 4 and GT3 telephonewas ready for operation, the vehicle. telephone is subsequentlydisabled. This may lead to the vehicle breaking down. Remedy: 1. Inputthe PCMcode. If the code card is Remedy in these vehicles: unavailable,the PCMcode can also be read from the DMEcontrol module(under "VehicleRefill a least 19 I of fuel; then the fuel level data"). This code is also availablefrom thesensor is in operating range and its display PorscheIPAS.precisi n is guaranteed. Note: 11 Carrera (996) Technical Manual, Group, TI. No. 9/99. 9 Work in~itructions after disconnecting the battery 9-3 Printed in Germany -33, 1999 9969_1