A6 Quattro Sedan V8-4.2L (BVJ) (2007)
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.
Bank 2
The following procedure is used to diagnose the Ignition Coils with Power Output Stage (N323, N324, N325, N326).
Special tools, testers and auxiliary items required
‹› Multimeter.
‹› Diode test lamp.
‹› Wiring diagram.
Test requirements
‹› Fuse (SA2) OK.
‹› The Motronic Engine Control Module (ECM) Power Supply Relay (J271) OK.
‹› The Engine Speed (RPM) Sensor (G28) OK.
‹› The Camshaft Position (CMP) Sensor (G40) OK.
‹› Battery voltage at least 12.5 volts.
‹› All electrical consumers such as, lights and rear window defroster, switched off.
‹› Vehicles with automatic transmission, shift selector lever into position " P" or "N".
‹› A/C switched off.
‹› Ground (GND) connections between engine/transmission/chassis OK.
‹› Ignition switched off.
Test procedure
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Perform a preliminary check to verify the customers complaint. Refer to => [ Preliminary Check ] See: Computers and Control Systems/Testing
and Inspection/Scan Tool Testing and Procedures/Preliminary Check.
Start diagnosis
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Remove the rear engine cover - arrows -.
