GTI V6-2.8L (BDF) (2002)
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Remove engine cover.
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Disconnect connector from ignition coils 1 to 6.
NOTE: Before disconnecting harness connectors, mark allocation to component.
Checking voltage supply
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Measure supply voltage between terminals 1 + 3 and 2 + 3 of disconnected connector using the multimeter and adapter cables.
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Switch on ignition.
Specified value: at least 11.5 V
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Switch ignition off.
If there is no voltage:
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Check wire between 4-pin connector terminal 3 and Motronic Engine Control Module (ECM) Power Supply Relay -J271- for open circuit
according to wiring diagram
Wire resistance: max: 1.5 Ohms
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Check wires between 4-pin connector and Ground (GND) for open circuit according to wiring diagram.
Terminal 1 and Ground (GND)
Terminal 2 and Ground (GND)
Wire resistance: max: 1.5 Ohms