Seat Ateca 2017 Workshop Manual page 385

4 cyl. petrol engine (1.8 l and 2.0 l with direct injection, 4 V, exhaust gas turbocharger, timing chain,
– Release fastener -arrow A-, and remove engine control unit -
J623- -1- -arrow B-.
Fitting
Install in the reverse order of removal, observing the following:
– Fit engine control unit - J623- with the lower edge to the front
in the direction of the mounting -arrow A- and block the upper
edge.
• Lugs on engine control unit must engage in notches at top and
bottom of bracket -arrows B-.
– Install battery ⇒ Electrical system; Rep. gr. 27 ; Battery; Dis‐
connecting and reconnecting battery .
After installing a new engine control unit, the following operation
must be performed:
– Switch on ignition, and select the following menu option on
vehicle diagnostic tester :
♦
0001 - Renew engine control unit
6.1.2 Removing and installing engine control
unit - J623- with protective housing
Special tools and workshop equipment required
♦ Hot air blower - VAS 1978/14A- with nozzle attachment from
wiring harness repair set - VAS 1978 B-
♦ Small grinder with cutting disc, commercially available
♦ Vehicle diagnosis tester
Removing
– If the engine control unit is to be renewed, switch on ignition
and select the following menu items in the Vehicle diagnostic
and service information system :
♦
0001 - Renew engine control unit
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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.
Ateca 2017 ➤ , León 2013 ➤ , León ST 2013 ➤
EA 888 III. Gen) - Edition 10.2018
377
6. Engine control unit