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 91 (2.8L & 3.2L - GENERIC SCAN TOOL, ENGINE CODE(S): AFP, BDF, BJS [A4 PLATFORM] (28 IGNITION/GLOW PLUG SYSTEM - ST GENERIC SCAN TOOL))
2002 Volkswagen Golf GLS, 2.0 K, Standard
Section 91 (2.8L & 3.2L - Generic Scan Tool, Engine Code(S): AFP, BDF, BJS [A4 Platform] (28 Ignition/Glow Plug System - St Generic Scan Tool))
2002 Volkswagen Golf GLS, 2.0 K, StandardSECTION Section 91 (2.8L & 3.2L - Generic Scan Tool, Engine Code(S): AFP, BDF, BJS [A4 Platform] (28 Ignition/Glow Plug System - St Generic Scan Tool))
WARNING: This page does not describe the selected car, but rather 14 other vehicles, including the 2005 Volkswagen GTI, 2004 Volkswagen R32, 2004 Volkswagen Jetta, 2004 Volkswagen GTI, and 2003 Volkswagen Jetta. However, it is still accessible from the selected car via links, so may be relevant.
- 24 Multiport Fuel Injection (MFI)
- 26 Exhaust system, Emission controls
- 28 Ignition/Glow plug system
- Ignition, servicing
- General notes on ignition system
- Parts of the ignition (vehicles with engine code AFP), removing and installing
- Parts of ignition (vehicles with engine codes BDF and BJS), removing and installing
- Safety precautions
- Test data, spark plugs
- Camshaft Position (CMP) sensor, checking
- Knock sensors, checking
- Ignition coil (vehicles with engine code AFP), checking
- Valves for camshaft adjustment (vehicles with engine codes BDF and BJS), checking
- Ignition coils with power output stages (vehicles with engine code BDF and BJS), checking
- Ignition coils with power output stages (vehicles with engine codes BDF and BJS), removing and installing
- Ignition, servicing
- 38 Automatic Transmission - Gears, Hydraulic controls
- Electrical components for regulating automatic transmissions 01M and 09A
- Safety precautions
- Multi-Function Transmission Range (TR) Switch, replacing
- Multi-Function Transmission Range (TR) Switch, checking
- Transmission Vehicle Speed Sensor -VSS- (vehicles with 01M transmission), checking
- Sensor for transmission RPM (vehicles with 09A transmission), checking
- Vehicle Speed Sensor -VSS- (vehicles with 01M transmission), checking
- Vehicle Speed Sensor (VSS), checking
- Intermediate Shaft Speed Sensor (vehicles with 09A transmission), checking
- Transmission Fluid Temperature Sensor, checking
- Solenoid valves in valve body, checking
- Transmission Control Module (TCM) for automatic transmissions 01M and 09A
- Electrical components for regulating automatic transmissions 01M and 09A
- ST Generic Scan Tool
- General information for On Board Diagnostic (OBD)
- Diagnostic mode, selecting
- Diagnostic mode, selecting
- Address word 33 - On-Board Diagnostic (OBD)
- Diagnostic mode 1: Check measured values
- Diagnostic mode 2: Check operating conditions
- Diagnostic mode 3: Check DTC Memory
- Diagnostic mode 4: Reset/erase diagnostic data
- Diagnostic mode 5: Check output of oxygen sensor signals
- Notes
- Evaluation test-ID 01: Rich to lean sensor barrier voltage
- Evaluation test-ID 02: Lean to rich sensor barrier voltage
- Evaluation test-ID 07: Minimum voltage at sensor for test cycle
- Evaluation test-ID 08: Maximum voltage at sensor for test cycle
- Evaluation test-ID 129: Actual value of oxygen sensor voltage
- Evaluation test-ID 130: Control barrier voltage
- Evaluation test-ID 131: Dynamic value
- Evaluation test-ID 132: Oxygen sensor shift via oxygen sensor control behind Three Way Catalytic Converter (TWC)
- Diagnostic mode 6: Check test results of components that are not continuously monitored
- Diagnostic mode 7: Check test results of components that are continuously monitored
- Diagnostic mode 8: Tank leak test
- Diagnostic mode 9: Vehicle information
- Readiness code
- DTC tables
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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.