A3 L4-2.0L Turbo (BPY) (2006)
Checking activation and wiring
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Connect a diode test lamp (12 V) to the electrical harness connector terminals 1 and 2 of the Fuel Injector to be tested.
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Operate the starter and test the activation of the Fuel Injector.
LED should flicker.
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Switch the ignition off.
If LED does not flicker:
If the manufacturers test box is being used. Perform the following step.
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Install the test box.
If the manufacturers test box is not being used. Perform the following step.
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Remove the Motronic Engine Control Module (ECM) J220.
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Using a Multimeter , check the Fuel Injector electrical harness connector terminals to the Motronic Engine Control Module (ECM) J220 electrical
harness connector T60 terminals for an open circuit.
Specified value: 1.5 Ohms Max.
If the specification is not obtained:
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Check the wiring for a short circuit to each other, Battery (+), and Ground (GND).
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Check the electrical harness connector for damage, corrosion, lose or broken terminals.
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If necessary, repair the faulty wiring connection.
If no malfunction is detected in the wiring:
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Replace the Motronic Engine Control Module (ECM) J220.