S4 V8-4.2L (BHF) (2004)
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Connect multimeter for voltage measurement as follows:
Harness connector Terminal
Measure to
1
Engine Ground (GND)
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Switch ignition on.
Specified value: approx. battery voltage
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Switch ignition off.
If specified value is obtained:
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Check activation of power output stages.
If specified value is not obtained:
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Remove rubber seal of plenum chamber cover in direction of (arrow).
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Remove cover -1- toward front.
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Remove cover for E-box, plenum chamber (arrows).
