13. FUEL INJECTION SYSTEM
13-18
Downtown 300i ABS
ELECTRIC CONTROL UNIT
(ECU)
REMOVAL/INSTALLATION
Disconnect the ECU connector and remove
the ECU from the frame.
Installation is in the reverse order of the
removal.
● 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.
*