Seat Ateca 2017 Workshop Manual page 387

4 cyl. petrol engine (1.8 l and 2.0 l with direct injection, 4 V, exhaust gas turbocharger, timing chain,
– Heat head of shear bolt -1- for approx. 20 to 30 seconds.
– Unscrew shear bolt -1- using screwdriver -2-.
– Remove protective housing from the engine control unit -
J623- .
– Release and disconnect connectors -2 and 3- for engine con‐
trol unit - J623- .
– Release fastener -arrow A-, and remove engine control unit -
J623- -1- -arrow B-.
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Fitting
Install in the reverse order of removal, observing the following:
– Insert engine control unit - J623- bottom edge first into bracket
-arrow A- and lock at top edge.
– Make sure you fit protective housing back on engine control
unit - J623- .
– Clean threaded holes for shear bolts to remove any residue
from locking fluid. This can be done using a thread tap.
– Always use new shear bolts.
– Install battery ⇒ Electrical system; Rep. gr. 27 ; Battery; Re‐
moving and installing 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
Ateca 2017 ➤ , León 2013 ➤ , León ST 2013 ➤
EA 888 III. Gen) - Edition 10.2018
379
6. Engine control unit