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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSVOLKSWAGEN2003PASSAT SEDAN (3B3) L4-1.8L TURBO (AWM)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSTESTING AND INSPECTIONINITIAL INSPECTION AND DIAGNOSTIC OVERVIEWELECTRONIC POWER CONTROL (EPC) WARNING LIGHTEPC WARNING LAMP FUNCTIONAL CHECK
2003 Volkswagen Passat Sedan (3B3) L4-1.8L Turbo (AWM)
EPC Warning Lamp Functional Check
2003 Volkswagen Passat Sedan (3B3) L4-1.8L Turbo (AWM)SECTION EPC Warning Lamp Functional Check
EPC, Function Check
Function test:
- Switch on ignition.
EPC warning lamp must light up.
If EPC indicator lamp does not light up when ignition is switched on:
- Check instrument cluster and EPC warning lamp as follows.
If EPC warning lamp does not light up when ignition is switched on, continue test as follows:
- Start engine and let run at idle:
EPC warning lamp must go out after one second.
If EPC warning lamp does not go out:
- Check DTC memory, repair any malfunctions and then erase DTC memory.
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.