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Home >> Porsche >> 2016 >> 911 Turbo, 2D Convertible >> Repair and Diagnosis >> Engine Mechanical >> Exhaust >> 2X - Petrol, Exhaust, Engine-Electronic - General -- 911 CARRERA (991) >> WM 2X00IN Important Information On Adapting The DME Control Unit (Except CARRERA "Edition", CARRERA Cabriolet "Edition", CARRERA 4 "Edition", TARGA 4, TARGA 4S, TARGA 4 GTS, CARR. 4 CABRIO, CARR. 4S CABRIO, Turbo CABRIO, CARR. 4 GTS CABRIO, CARRERA 4 Cabriolet "Edition") >> Information

WM 2X00IN Important Information On Adapting The DME Control Unit (Except CARRERA "Edition", CARRERA Cabriolet "Edition", CARRERA 4 "Edition", TARGA 4, TARGA 4S, TARGA 4 GTS, CARR. 4 CABRIO, CARR. 4S CABRIO, Turbo CABRIO, CARR. 4 GTS CABRIO, CARRERA 4 Cabriolet "Edition"): Information

Information 

  1. Adaptation values are deleted or stored in EEPROM when ignition is switched off after control unit run-on has ended.

    This depends on the run-on period of the engine compartment purge fan.

    The run-on period of the engine compartment purge fan AFTER ignition is switched off depends on the engine compartment temperature.

    The run-on period is as follows at the following engine compartment temperatures:

    • < 45 °C: approx. 50 seconds 
    • 45... 70 °C: approx. 200 seconds 
    • > 70 °C: up to 20 minutes 
  2. The following adaptations will be deleted automatically when you erase the fault memory (see information under  1)):
    • Mixture adaptation 
    • Lambda adaptation 
    • Camshaft adaptation 
    • Knock adaptation 
    • Map-controlled thermostat adaptation