Jetta III L4-2.0L (ABA) (1995)
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Idle Speed/Throttle Actuator - Electronic: Testing and Inspection
Without VAG
Idle Stabilization Diagram
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Remove the idle stabilizer valve harness connector.
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Measure the resistance between the two terminals of the idle stabilizer valve.
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The correct measurement should be 4 ohms - 12 ohms.
^
If NOT: Replace the idle stabilizer valve.
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Reconnect the idle stabilizer valve harness connector.
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The idle stabilizer valve should hum and vibrate slightly when the ignition is turned "ON".
^
If NOT: The Electronic Control Module (ECM) or harness may be defective.