volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

With Manufacturer's Scan Tool|Page 3623 > < With Manufacturer's Scan Tool|Page 3621
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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

With Manufacturer's Scan Tool|Page 3623 > < With Manufacturer's Scan Tool|Page 3621