2 minute read
7.3 Removing and installing high-pressure pipe
– Release catches in direction of -arrow- and remove engine control unit - J623- -1-.
– Release and pull off connectors -2- for engine control unit J623- .
– Remove engine control unit -1-. Installing Install in reverse order of removal, observing the following: – It is essential that the engine control unit - J623- be provided with the protective housing again. – Clean threaded holes for shear-head bolts from locking fluid residue. A thread chaser is suitable for cleaning. – Use new bolts.
After having installed the new engine control unit, the following work must be carried out:
– Connect battery ⇒ Electrical system; Rep. gr. 27 ; Battery; Disconnecting and connecting battery . – Connect vehicle diagnostic tester ⇒ Maintenance ; Booklet KJ1 ; General; Connecting vehicle diagnostic tester . – Switch on ignition and select the following menu options on vehicle diagnostic and service information system :
♦ 01 - Renew engine/motor control unit
6.2.3 Detach engine control unit - J623- from safety housing, Toledo 2013, Ibiza 2016
Special tools and workshop equipment required ♦ Angle grinder e.g. axial grinder - VAS 6682-
Note
The protective housing is secured with shear-head bolts. The shear-head bolts cannot be removed without being damaged. Use e.g. the axial grinder - VAS 6682- or a commercially available angle grinder to remove the shear-head bolts. If the protective housing is damaged, it must be renewed.
Removing – Remove engine control unit from holder ⇒ “6.1.3 Removing and installing engine control unit J623 , Toledo 2013, Ibiza 2016”, page 414 . – Move clear wiring harness, and push it to one side as far as possible.
Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not permitted unless authorised by SEAT S.A. SEAT S.A does not guarantee or accept any liability with respect to the correctness of information in this document. Copyright by SEAT S.A.
– Remove bolts -A-. Remove retainer -B-.
– Remove engine control unit from protective housing. Installing Installation is in the reverse sequence of removal. Observe the following: – Push engine control unit into protective housing as far as it will go. – Fit locking element -B- onto protective housing, and secure it with new shear bolts -A- ⇒ Electronic Parts Catalogue (ET‐KA) .
– First, insert engine control unit into tab -2- of holder. – Push engine control unit into holder until upper tab -1- is en‐gaged.
Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not permitted unless authorised by SEAT S.A. SEAT S.A does not guarantee or accept any liability with respect to the correctness of information in this document. Copyright by SEAT S.A. 6.3 Assembly overview - engine (motor) control unit
⇒ “6.3.1 Assembly overview - engine (motor) control unit, Ateca, Leon 2013, Ibiza 2018, Arona”, page 422 ⇒ “6.3.2 Assembly overview - engine (motor) control unit, Toledo 2013, Ibiza 2016”, page 424
