A8L Quattro Sedan W12-6.0L (BSB) (2005)
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Operate starter and check voltage supply for fuel injectors. LED must light up
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Switch ignition off.
If LED does not light up:
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Check wire between 2-pin connector terminal 1 and corresponding fuse in E-Box (in plenum chamber, right side) for open circuit according to
wiring diagram. Wiring resistance: max. 1.5 ohms
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Erase DTC memory of Engine Control Module (ECM) => [ Diagnostic Mode 04 - Erase DTC Memory ] See: Computers and Control
Systems/Testing and Inspection/Scan Tool Testing and Procedures/Diagnostic Modes 01 - 09, Diagnostic mode 4: Reset/erase diagnostic data.
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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.
Actuation and voltage supply, checking
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Connect diode test lamp to connector terminals 1 + 2 of fuel injector to be checked.