2005-2011 Honda FourTrax Foreman TRX500 FE/FPE/FM/FPM/TM Service Manual, Page 58Get this manual
TECHNICAL FEATURES
INTEGRATED ENGINE CONTROL MODULE (ECM)
The ignition control module (ieM), electric shift program (ESP) control unit (ESP model only), fan control unit and 2WDI 4WD cont rol unit (Except TM model) are integrated into the ECM to reduce cost and conserve space