Golf III L4-2.0L (ABA) (1995)
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Unplug connector for Heated Oxygen Sensor.
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Connect adapter lead from VW 1594 to cavity 4 (wiring to Motronic Engine Control Module (ECM) (J220) and hold to Ground (GND).
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Value in display field 3 must increase.
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If value increases:
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Replace Heated Oxygen Sensor.
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If value does not increase:
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Perform electrical testing.
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If necessary replace Motronic Engine Control Module.
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Connect Engine Coolant Temperature Sensor.
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Press --> button.
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Press buttons -0- and -5- to select the "Erase DTC Memory" function.
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Press -Q- to confirm input.
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Press --> button.
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Press buttons -0- and -6- to select the "End output" function.
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Press -Q- to confirm input.