GTI L4-2.0L Turbo (BPY) (2007)
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Disable the power supply to the Fuel Injectors N30, N31, N32, N33 by removing Fuse 29 (on fuse panel B) from the fuse holder SB29, in the
E-box, plenum chamber.
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Using a diode test lamp, check the Ignition Coil electrical harness connector terminals 1 to 3 for voltage.
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Operate the starter.
The LED should flicker.
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Switch the ignition off.
If the LED flickers and the voltage was OK:
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Replace the faulty Ignition Coils with Power Output Stage N70, N127, N291, N292.
If the LED does not flicker:
Checking wiring
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) J623.
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Using a Multimeter, Check the Ignition Coil electrical harness connector to the Motronic Engine Control Module (ECM) J623 electrical harness
connector T60 for an open circuit.
Ignition Coils with Power
Motronic Engine Control Module (ECM)
Output Stage N70,N127,
electrical harness connector T60
N291,292 electrical harness
terminal or test box socket
connector terminal