What does Harley ECM mean?
Engine Control Module
Flashing the ECU / ECM – Your Engine Control Unit (ECU) also referred to as the Engine Control Module (ECM) is the computer that controls key functions related to your engines performance such as your Air / Fuel Ratio (A/F), variable valve timing, etc.
What is the ECM on a bike?
An engine control unit (ECU), also commonly called an engine control module (ECM) is a type of electronic control unit that controls a series of actuators on an internal combustion engine to ensure optimal engine performance.
How does EFI work on a Harley Davidson?
Tuning the EFI system of a Harley Davidson motorcycle increases the efficiency of the Electronic Fuel Injection system by keeping the fuel mixtures within specific ranges that allow the engine to work best.
How do you recalibrate a Harley Davidson ECM?
Harley’s ECM recalibrations are specifically designed for engines equipped with Harley-supplied EFI systems (Delphi or Magneti-Marelli). Basically, you buy the recalibrated fuel map from a Harley dealer and then pay a small labor charge to have it downloaded into your ECM.
What are the EFI Softail models in 2006?
MODELS, STARTING CIRCUIT 2006 ALL EFI SOFTAIL DOM. and INT. MODELS, CHARGING CIRCUIT 2006 ALL EFI SOFTAIL DOM. and INT. MODELS, SECURITY CIRCUIT: SHEET 1 OF 2
Which is the main harness in EFI Softail?
MODELS, MAIN HARNESS: SHEET 3 OF 3 2006 ALL EFI SOFTAIL DOM. and INT. MODELS, IGNITION CIRCUIT 2006 ALL EFI SOFTAIL DOM. and INT. MODELS, LIGHTING CIRCUIT: SHEET 1 of 2
Do you need to reset the ECM on a Harley Davidson?
Many people also believe that any modification made to the bike requires an ECM reset; however, this should not be the case. After a few cycles of starting and stopping, the ECM should learn your new setup on its own. In just a matter of minutes and virtually from anywhere, you can reset the ECM yourself by following these simple steps.
When did Harley Davidson start shipping Sportys with EFI?
Starting in 2007, all Harley models are shipped with EFI, including Sportys for the first time. The impetus for migration to EFI is to meet the more demanding federal emissions standards intended to take effect in California in 2006 and in 2008 for the other 49 states.
Why does my ECM go into limp mode?
One of the more common reasons for limp mode are corroded or lose pins on the ECM itself, exasperated by rough or bumpy roads. Many people also believe that any modification made to the bike requires an ECM reset; however, this should not be the case. After a few cycles of starting and stopping, the ECM should learn your new setup on its own.
When did the EFI standard take effect in California?
The impetus for migration to EFI is to meet the more demanding federal emissions standards intended to take effect in California in 2006 and in 2008 for the other 49 states. EFI reduces fuel emissions because it meters fuel more accurately than a carburetor.