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 MANUALSVOLKSWAGEN2002GOLF GLS, 2.0 K, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 93 (2.8L - ENGINE MECHANICAL - AFP (A4 PLATFORM))20 - FUEL SUPPLYELECTRONIC POWER CONTROL (EPC), SERVICINGELECTRONIC POWER CONTROL (EPC) WARNING LAMP, CHECKINGIF EPC WARNING LAMP DOES NOT ILLUMINATE
2002 Volkswagen Golf GLS, 2.0 K, Standard
If EPC warning lamp does not illuminate
2002 Volkswagen Golf GLS, 2.0 K, StandardSECTION If EPC warning lamp does not illuminate
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2002 Volkswagen Jetta, 2002 Volkswagen GTI, 2001 Volkswagen Jetta, 2001 Volkswagen GTI, and 2000 Volkswagen Jetta. However, it is still accessible from the selected car via links, so may be relevant.
- Connect Adapter cable, 121 pin VAG 1598/31 to control module wiring. Do not connect engine control module.
- Check between contacts 1 + 48 on test box using auxiliary cables from Auxiliary measuring tool set VAG 1594 A.
- Turn on ignition.
EPC warning lamp should illuminate
If the EPC warning lamp does not light:
- Turn ignition off.
- Remove instrument panel and check bulbs and their voltage supply: Refer to 90 INSTRUMENTS
If no malfunction is found:
- Use wiring diagram to check whether there are any electrical broken connections between jack 48 of test box and instrument panel.
If the wiring is OK:
- Replace engine control module: Refer to 24 MULTIPORT FUEL INJECTION (MFI)
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.