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) L4-2.0L (AZG)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSENGINE CONTROL MODULEAPPLICATION AND IDCONTROL MODULE IDENTIFICATION AND EQUIPMENT
2003 Volkswagen Golf (1J1) L4-2.0L (AZG)
Control Module Identification and Equipment
2003 Volkswagen Golf (1J1) L4-2.0L (AZG)SECTION Control Module Identification and Equipment
Control module identification
The control module version is displayed when the VAG 1551 scan tool, or the 1552 scan tool or the new tester VAS 5051 is connected and engine electronics control module selected.
Equipment
Engine code AZG
System description Motronic ME7.5
Exhaust emission values in accordance with LED 2)
EPC System (electronic accelerator) yes
On Board Diagnostic (OBD) yes
Output Diagnostic Test Mode (DTM) yes
Function of data transfer to VAG 1551/1552 Rapid data transfer
DTC memory Non-volatile memory 3)
Adaptation values for throttle valve control module Non-volatile memory 3)
Oxygen sensor regulation 2 sensors
Knock control 2 knock sensors
Intake manifold change-over no
Camshaft adjustment no
Exhaust gas recirculation no
Secondary Air Injection (AIR) system yes
2) LED Low Emission Vehicles
3) Independent of the voltage supply.
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.