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Honda Fit/Jazz - Fuel and Emissions System Description (Without ETCS)

Online Honda Fit/Jazz 2002-2005 Workshop repair manual used by professionals.

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Snip from the Manual


Fuel and Emissions System Description

Electronic Control System


The functions of the fuel and emission control systems are managed by the engine control module (ECM) on vehicles with manual transmissions or the powertrain control module (PCM) on vehicles with automatic transmissions.

Fail-safe Function

When an abnormality occurs in a signal from a sensor, the ECM/PCM ignores that signal and assumes a pre-programmed value for that sensor that allows the engine to continue to run.

Self-diagnosis

When an abnormality occurs in the signal from a sensor, the ECM/PCM supplies ground for the


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