Golf GLS L4-2.0L (AVH) (2002)
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Use wiring diagram to check wires between test box and harness connector for open circuits or short circuits to Ground (GND) or B+.
fuel injector 1: Terminal 2+socket 96
fuel injector 2: Terminal 2+socket 89
fuel injector 3: Terminal 2+socket 97
fuel injector 4: Terminal 2+socket 88
Wire resistance: max: 1.5 Ohms
If wiring is OK:
Resistance values of fuel injectors, checking
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Test resistance of fuel injectors between terminals.
Specification: 14 to 18 Ohms
NOTE: Resistance value is valid at approx. 20°C. At higher temperatures, resistance value increases.
If specified value is not obtained:
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Replace defective fuel injector.
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Erase DTC memory to bring adaptation values into a neutral state.
If resistance values are OK and no malfunctions are found in the wires:
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Replace Engine Control Module (ECM).
With Generic Scan Tool
Check Fuel Injectors
Recommended special tools and equipment
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VAG1526 multimeter or VAG1715 multimeter
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VAG1527 voltage test lamp