Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSAUDI2004A4 SEDAN (8E2) L4-1.8L TURBO (AMB)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSENGINE CONTROL MODULELOCATIONS
2004 Audi A4 Sedan (8E2) L4-1.8L Turbo (AMB)
Engine Control Module: Locations
2004 Audi A4 Sedan (8E2) L4-1.8L Turbo (AMB)SECTION Locations
Overview Of Component Locations
13 - E-box, plenum chamber
- Component locations, see Fig. 3 and Fig. 4.
- Component location for Motronic Engine Control Module (ECM) -J220- with integrated Barometric Pressure (BARO) Sensor -F96-
- Check voltage supply of Engine Control Module (ECM)
- Replacing Engine Control Module (ECM)
- Component location of Motronic Engine Control Module (ECM) voltage supply relay -J271-
- Check Motronic Engine Control Module (ECM) voltage supply relay -J271-
- Component location for Engine Electronics Fuse -S282- for Motronic
- Component location of Secondary Air Injection (AIR) pump relay -J299-
- Checking Secondary Air Injection (AIR) Pump Relay -J299-
Fig. 3 Component location of Engine Control Module (ECM) in E-box, plenum chamber
Fig. 4 Component locations in E-box, plenum chamber
1.1 - Not assigned
1.2 - Not assigned
2 - 2 - Secondary Air Injection (AIR) Pump Relay -J299-
3 - Motronic Engine Control Module (ECM) voltage supply relay -J271-
4 - Not assigned
A - Engine Electronics Fuse S282
B - Fuse S130 for Secondary Air Injection (AIR) pump
C - Not assigned
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.