Seat Leon 2013 Workshop Manual page 248

León 2013 ➤ , León ST 2013 ➤
4-cylinder petrol engine (1.2 l direct injection, 4 V, turbocharger, EA211) - Edition 02.2017
♦ Hot air blower - VAS 1978/14A- -item 1- with nozzle attach‐
ment -2- from wiring harness repair set - VAS 1978 B-
♦ Small grinder (commercially available)
♦ Vehicle diagnosis and service information system
Removing
– If engine control unit is renewed, select test sequence/function
Replace engine control unit on "vehicle diagnosis tester" in
"Guided functions" mode.
– Switch off ignition and remove key.
Note
If the engine control unit comes into contact with the positive
♦
battery terminal, permanent damage to the engine control unit
will be the consequence.
Therefore, the battery must be disconnected before the engine
♦
control unit is removed ⇒ Electrical system; Rep. gr. 27 ;
Battery; Disconnecting and connecting battery .
To remove protective housing -1-, unscrew shear bolts -arrows-
as follows:
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Note
Cover the area around the engine control unit, and protect it from
flying sparks.
– Make groove (for a screwdriver) in head of shear bolt -1- using
a small grinder -2-.
242
Rep. gr.24 - Mixture preparation - injection