A8L Quattro Sedan W12-6.0L (BSB) (2005)
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Generate readiness code => [ Readiness Code, Generating ] See: Computers and Control Systems/Testing and Inspection/Monitors, Trips, Drive
Cycles and Readiness Codes.
If specification is obtained:
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Check wires to Engine Control Module according to wiring diagram.
Checking wires to Engine Control Module 1
Cylinder bank 1
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Connect test box to Engine Control Module (ECM) (J623) wiring harness on connecting test box for wiring test.
Cylinder bank 2
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Connect test box to Engine Control Module (ECM) 2 (J624) wiring harness on connecting test box for wiring test.
Cylinder bank 1 and 2
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Check wires between test box and 3-pin connector to Engine Control Module (ECM) for open circuit according to wiring diagram. Wiring
resistance: max. 1.5 ohms
Cylinder bank 1
Cylinder bank 2
Cylinder bank 1 and 2