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 VARIANT/TRIMSECTION 11 (1.9L - DIESEL FUEL INJECTION - TDI, ALH, BEW (GENERIC SCAN TOOL) (A4 PLATFORM))DIESEL FUEL INJECTIONCOMPONENTS AND FUNCTIONS, CHECKINGCHECK ENGINE SPEED (RPM) SENSORVEHICLES WITH 121-PIN CONTROL MODULE
2002 Volkswagen Golf GLS, 2.0 K, Standard
Vehicles with 121-pin control module
2002 Volkswagen Golf GLS, 2.0 K, StandardSECTION Vehicles with 121-pin control module
WARNING: This page is about a different variant/trim than selected.
- Check wires between test box and 3-pin connector for open circuit according to wiring diagram.
Terminal 1+socket 102
Terminal 2+socket 110
Terminal 3 + socket 86
Wire resistance: max. 1.5 Ω
Continuation for all vehicles
- Also check wires for short circuit to each other, to vehicle Ground (GND) and to B+.
Specified value: INFINITY Ω
If no malfunctions are detected in wires:
- Remove sensor and check sensor wheel for secure fit, damage, and run-out.
If no malfunction can be detected:
- Replace Diesel Direct Fuel Injection (DFI) Engine Control Module (ECM) -J248-, see CONTROL MODULE FOR DIESEL- DIRECT FUEL INJECTION SYSTEM
- Generate readiness code; see READINESS CODE, GENERATING .
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.