TT L4-1.8L Turbo (BEA) (2004)
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Disconnect 4-pin connector -1- from ignition coil -2-.
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Connect multimeter as follows to measure voltage.
Connector terminal
Measure to
1
Engine ground (GND)
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Switch ignition on.
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Specified value: approx. battery voltage (B+)
If specified value is not obtained:
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Switch ignition off.
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Disconnect power supply relay -1- under cover on left bulkhead.
NOTE: To remove protective cover on vehicles with relay carrier on bulkhead, disconnect and lower. If necessary, disconnect connector from mass air
flow sensor.