ME-SFI idle, function

Function requirements for neutral, general points

 Circuit 87M ON (engine control ON)

 Engine running (engine speed >700 rpm)

 Accelerator not operated

Neutral, general points

The following partial functions are active in neutral and are described in the following documents:

 ME fuel supply, function

 ME-SFI injection regulation, function

 Motor electronics (ME) ignition system, function

 ECI ignition system, function

 ME-SFI start, post-start phase and warm-up enrichment, function

 ME-SFI idle speed control function

 ME-SFI alternator interface function

 ME engine speed signal, function

 ME-SFI safety fuel shutoff, function

 ME-SFI lambda control, function

 ME-SFI two-sensor control, function

 ME oxygen sensor heater function

 Self-adjustment of mixture formation, function

 Smooth engine running analysis, function

 ME thermal management, function

 ME engine torque requests function

 ME knock control function

 Overheating/pinging protection, function

 Air injection, function

 ME-SFI electronic accelerator, function

 Electronic accelerator pedal emergency running mode, function

 Purging function

 System purging with leak test function
(with code (494) USA version)

 Monitoring catalytic converter efficiency, function