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 MANUALSVOLKSWAGEN2003GOLF (1J1) L4-1.8L TURBO (AWW)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTRELAYS AND MODULES - POWERTRAIN MANAGEMENTRELAYS AND MODULES - COMPUTERS AND CONTROL SYSTEMSENGINE CONTROL MODULEAPPLICATION AND IDCONTROL MODULE IDENTIFICATION AND EQUIPMENT
2003 Volkswagen Golf (1J1) L4-1.8L Turbo (AWW)
Control Module Identification and Equipment
2003 Volkswagen Golf (1J1) L4-1.8L Turbo (AWW)SECTION Control Module Identification and Equipment
On Board Diagnostic (OBD), Technical Data
Control module identification
The control module version is displayed when the VAG1551 scan tool, the VAG1552 mobile scan tool or the new tester VAS5051 is connected and engine electronics control module selected.
Equipment
Engine code AWW
System description Motronic ME7.5
Exhaust emission limits according to LEV 3)
EPC System Yes
On Board Diagnostic (OBD) OBD II
Output Diagnostic Test Mode (DTM) Yes
Mode of data transmission to V.A.G 1551/1552 Rapid data transfer
Control module coding V.A.G 1551/1552
VAS 5051
DTC memory Permanent memory 1)
Memory for learned values Volatile memory 2)
Oxygen sensor control 2 oxygen sensors
Knock sensor 2 knock sensors
Intake manifold switchover valve No
Camshaft adjustment Yes
Boost pressure regulation Yes
Secondary air system Yes
1) Independent of voltage supply.
2) Values are erased when voltage supply is interrupted.
3) LEV = Low Emission Vehicles (max. emission values 0.075 g/mi HC)
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.