S6 V8-4.2L (BBD) (2004)
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Connect hand-held multimeter to following socket on connector to measure voltage:
4-pin connector on
wiring harness, socket
Specified value
1 + Ground
Battery voltage
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Operate starter.
Specified value: approx. battery voltage
If specified value is not attained:
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Check wiring from socket 1 via fuse to fuel pump relay for continuity, repair, if necessary.
If the specified value is achieved:
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Check performance output stage. See: Ignition Coils With Power Output Stage, Checking
