Golf III L4-2.0L (ABA) (1995)
16-Pin Data Link Connector And Jumper Wire, Jetta Shown
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With engine STILL RUNNING, connect OBD1 adaptor to 16 Pin DLC connector. If using jumper wire join connectors J1 and J2 together.
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After approx. 4 seconds remove OBD1 adaptor from 16 Pin DLC or separate jumper wire connectors J1 and J2.
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MIL will go OFF, come ON for 2.5 seconds, go OFF.
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This confirms display signal has been received.
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MIL will then display (flash) trouble code.
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Should be code 0000.
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Turn ignition switch OFF, remove test equipment.
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Test drive vehicle for at least 10 minutes (minimum). During test drive these requirements must be performed.
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Engine coolant temperature must be over 80°C (176°F) for at least 3 minutes.
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At engine speed over 4600 RPM, press accelerator pedal briefly all the way down.
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In 4th gear, starting from approx. 30 mph accelerate for about 4 seconds with accelerator pedal at half throttle.
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ECM will not reset properly unless ALL REQUIRED SENSOR SIGNALS have been generated during road test.