A4 Quattro Cabriolet V6-3.2L (BKH) (2007)
Specified value: 1.5 ohms Max.
If the specified value was not obtained:
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Check the wiring connection for an open circuit, short circuit to Battery (+) or Ground (GND).
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Check the wiring connection for damage, corrosion, lose or broken terminals.
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If necessary, repair the faulty wiring connection.
If no malfunction is found in the wiring and the resistance was not OK:
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Replace the faulty Knock Sensor (KS). Refer to Fuel Injection and Ignition Repair Information.
If no malfunction is found in the wiring and the resistance was OK:
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Replace the Engine Control Module (ECM) (J623 ). Refer to => [ ECM, Removing and Installing ] See: Computers and Control Systems/Engine
Control Module/Service and Repair/ECM, Removing and Installing.
Assembly is performed in the reverse order of removal, note the following:
Final procedures
After repair work, the following work steps must be performed in the mentioned sequence:
1. Check the DTC memory. => [ Diagnostic Mode 03 - Read DTC Memory ] See: Computers and Control Systems/Testing and Inspection/Scan Tool
Testing and Procedures/Diagnostic Mode 03 - Read DTC Memory.
2. If necessary, erase the DTC memory. => [ Diagnostic Mode 04 - Erase DTC Memory ] See: Computers and Control Systems/Testing and
Inspection/Scan Tool Testing and Procedures/Diagnostic Mode 04 - Erase DTC Memory.
3. If the DTC memory was erased, generate readiness code. => [ Readiness Code ] See: Computers and Control Systems/Testing and
Inspection/Monitors, Trips, Drive Cycles and Readiness Codes.
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End diagnosis and switch ignition off.