LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Audi >> 2004 >> TT Base, 2D Convertible >> Repair and Diagnosis (Single Page) >> Engine Performance >> Specifications >> 1.8L - Turbo Generic Scan Tool Engine Code(S): Amu, BEA, ATC, AWP >> 01 - On Board Diagnostic (OBD) >> On Board Diagnostics, general information >> On Board Diagnostic (OBD), technical data >> Engine Control Module (ECM) equipment
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Engine Control Module (ECM) equipment

Engine code AMU ATC AWP BEA
System designation Motronic ME7.5 Motronic ME7.5 Motronic ME7.5 Motronic ME7.5
Terminals at Engine Control Module (ECM) 121 121 121 121
Emission values in accordance with TLEV * See note TLEV * See note LEV * See note LEV * See note
On Board Diagnostic (OBD) OBD ll OBD ll OBD ll OBD ll
DTC memory Permanent memory * See note Permanent memory * See note Permanent memory * See note Permanent memory * See note
Memory for adaptation values Temporary memory 4) Temporary memory 4) Temporary memory 4) Temporary memory 4)
Oxygen sensor regulation 2 sensors 2 sensors 2 sensors 2 sensors
Knock control 2 knock sensors 2 knock sensors 2 knock sensors 2 knock sensors
Variable intake manifold No No No No
Variable valve timing Yes Yes Yes Yes
Boost pressure regulation Yes Yes Yes Yes
Secondary Air Injection (AIR) system Yes Yes Yes Yes
Electronic Power Control (EPC) Yes Yes Yes Yes

* TLEV = Transitional Low Emission Vehicles (emission values max. 0.125 g/mi HC)

* LEV = Low Emission Vehicles (emission values max. 0.075 g/mi HC)

* Independent of voltage supply.

* Values are erased when voltage supply is interrupted.