REMOVAL AND INSTALLATION



<LH drive vehicles>


caution
  • After having replaced the engine-ECU, use the M.U.T.-III to register the chassis number. [Refer to GROUP 00 - Precautions before Service, How to perform chassis number (Chassis No.) writing ].
  • When the engine-ECU is replaced, register the injector identification code and perform the small injection quantity learning. (Refer to GROUP 00 - Precautions before Service, What the Common Rail Engine Learns ).
  • When the engine-ECU is replaced, make the battery current sensor learn the neutral point by using M.U.T.-III (Refer to GROUP 00 - Precautions before Service, Battery Current Sensor Calibration ) <Euro5b>.




Removal steps


1.
Scuff plate


2.
Cowl side trim


3.
Engine-ECU connectors


4.
Engine-ECU


5.
ECU lower bracket


6.
ECU upper bracket

<RH drive vehicles>






Removal steps


1.
Scuff plate


2.
Cowl side trim
<<A>>
>>A<<
3.
Brake off bolt


4.
ECU cover


5.
Engine-ECU connectors


6.
Engine-ECU


7.
ECU lower bracket


8.
ECU upper bracket

REMOVAL SERVICE POINT



<<A>> BREAK OFF BOLT REMOVAL <RH DRIVE VEHICLES>



1.Drill in the break off bolt a hole deep enough for the tap to stand.
2.Use the recommended tool screw extractor set (MB992678) or equivalent to remove the break off bolt.

INSTALLATION SERVICE POINT



>>A<< BREAK OFF BOLT INSTALLATION <RH DRIVE VEHICLES>


Tighten the break off bolt until its head is broken off.