S6 Quattro Sedan V10-5.2L (BXA) (2007)
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Install the test box.
If the manufacturers test box is not being used. Perform the following step.
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Remove the Motronic Engine Control Module (ECM) (J623). Refer to => [ Engine Control Module, Removing and Installing ] See: Computers
and Control Systems/Engine Control Module/Service and Repair/Engine Control Module, Removing and Installing.
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Using a Multimeter, check the electrical harness connector terminals of the Fuel Injector to be tested to the Motronic Engine Control Module
(ECM) (J623) electrical harness connector T60a terminals for an open circuit.
Specified value: 1.5 ohms Max.
If the specification is not obtained:
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Check the wiring for a short circuit to each other, Battery (+), Ground (GND), or an open circuit.
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Check the electrical harness connector for damage, corrosion, lose or broken terminals.
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If necessary, repair the faulty wiring connection.
If no malfunction is detected in the wiring:
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Replace the Motronic Engine Control Module (ECM) (J623). Refer to => [ Engine Control Module, Removing and Installing ] See: Computers
and Control Systems/Engine Control Module/Service and Repair/Engine Control Module, Removing and Installing.
Assembly is performed in the reverse order of removal.
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Install the intake manifold.
Final procedures
After repair work, the following work steps must be performed in the following sequence:
1. Check the DTC memory. Refer to => [ Diagnostic Mode 03 - Read DTC Memory ] See: Computers and Control Systems/Testing and
Inspection/Scan Tool Testing and Procedures/Diagnostic Modes 01 - 09/Diagnostic Mode 03 - Read DTC Memory.
2. If necessary, erase the DTC memory. Refer to => [ 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 04 - Erase DTC Memory.
3. If the DTC memory was erased, generate readiness code. Refer to => [ Readiness Code ] See: Computers and Control Systems/Testing and
Inspection/Monitors, Trips, Drive Cycles and Readiness Codes.
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End of diagnosis.
Fuel Injectors
The following test procedure is used to diagnose all fuel injectors controlled by the Engine Control Module (ECM) 2 (J624).
Special tools, testers and auxiliary items required