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Relay Box In Engine Compartment Left Rear|Page 169 > < Relay Box In Engine Compartment Left Rear|Page 167

TT Coupe L4-1.8L Turbo (AWP) (2005)

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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-

Relay Box In Engine Compartment Left Rear|Page 169 > < Relay Box In Engine Compartment Left Rear|Page 167