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6 Engine Control Module
⇒ 6.1 Engine Control Module J623 , Removing and Installing,
page 321
6.1 Engine Control Module - J623- , Remov‐
ing and Installing
⇒ 6.1.1 Engine Control Module J623 , Removing and Installing,
without Protective Housing, page 321
⇒ 6.1.2 Engine Control Module J623 with Protective Housing,
Removing and Installing, page 322
6.1.1 Engine Control Module - J623- , Remov‐
ing and Installing, without Protective
Housing
Special tools and workshop equipment required
♦ Vehicle Diagnostic Tester
Removing
– Turn on the ignition and select the following menu items on the
Vehicle Diagnostic Tester :
♦ 01 - Engine Electronics
♦ Guided Functions
♦ 01 - Engine Control Module Replacing
– Turn off the ignition and remove the key.
Note
Touching the engine control module with the battery positive ter‐
minal damages the engine control module. For this reason the
battery must be disconnected before removing the engine control
module from its mount. Refer to ⇒ Electrical Equipment; Rep. Gr.
27 ; Battery; Battery, Disconnecting and Connecting .
– Release the retainers in direction of -arrow A- and remove the
Engine Control Module - J623- in direction of -arrow B-.
– Unlock and disconnect the connectors from the Engine Con‐
trol Module - J623- .
Golf 2015 ➤ , Golf Variant 2015 ➤
Engine Mechanical, Fuel Injection and Ignition - Edition 04.2015
6. Engine Control Module 321
ProCarManuals.com
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