TT Coupe L4-1.8L Turbo (AWP) (2005)
Main Relay (Computer/Fuel System): Testing and Inspection
Motronic Engine Control Module (ECM) Power Supply Relay -J271-, Testing
Special tools and equipment
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VAG 1526 A
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VAG1594 A
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VAG 1598/31
NOTE: The Motronic engine control module (ECM) power supply relay -J271-supplies voltage to the ignition coils with power output stages and
to the engine control module (pin 121).
Test sequence
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Remove engine cover panel -1- -arrows-