5. FUEL INJECTION SYSTEM                                 MXU 500EXi/MXU500i



  ELECTRIC CONTROL UNIT
  (ECU)
  REMOVAL/INSTALLATION
  Do not disconnect or connect the ECU
     connector during the ignition switch
     "ON"; it may cause the ECU damaged.
     The throttle position sensor (TPS) and
     idle air bypass valve (ISC) have to be
     reset when throttle body, MAP, TPS,
     ISC or ECU has been reinstalled.
                                                ECU Connector
  Disconnect the ECU connector and remove
  the ECU from the frame.
  Installation is in the reverse order of the
  removal.
 ECU connector remove procedure
 (Same as DOWNTOWN 125i)




ECU connector install procedure




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