S4 V8-4.2L (BHF) (2004)
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Fuse S234 (in fuse holder, position 34) OK.
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Ignition switched off.
Test sequence
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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-.
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Connect test box to wiring harness of Engine Control Module (ECM), ECM is not connected. See: Computers and Control Systems/Testing and
Inspection/Reading and Clearing Diagnostic Trouble Codes/Scan Tool Connecting/Test Box, Connecting For Wiring and Component Test
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Using wires e.g. from connector test kit V.A.G 1594 A, bridge terminals 1 and 46 on test box.
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Switch ignition on.