11. EFI SYSTEM MXU 450i
11-11
ELECTRIC CONTROL UNIT
(ECU)
Disconnect the ECU connector and remove
the ECU from the frame.
Installation is in the reverse order of the
removal.
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,
＊
ECU Connector
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