A6 Quattro Sedan V6-3.2L (BKH) (2005)
Specified value: 1.5 ohms max.
If the specified value was not obtained:
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Check the wiring for a short circuit to Battery positive (+) or an open circuit.
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If necessary, repair the wiring connection.
If no malfunction is found in the wiring and the resistance was not OK:
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Replace Knock Sensor (KS) 1 (G61) => Fuel Injection and Ignition 24 Removal and Installation.
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Erase the DTC memory. Refer to => [ Diagnostic Mode 04 - Erase DTC Memory ] See: Testing and Inspection/Scan Tool Testing and
Procedures/Diagnostic Modes 01 - 09/Diagnostic Mode 04 - Erase DTC Memory.
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Perform a road test to verify repair.
If the DTC does not return:
Repair complete, Generate readiness code. Refer to => [ Readiness Code ] See: Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness
Codes/Readiness Code.
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End diagnosis.
If the DTC does return and no malfunction is detected in the wiring and the voltage supply was not OK:
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Replace the Engine Control Module (ECM) (J623). Refer to=> [ Engine Control Module, Replacing ] See: Engine Control Module/Service and
Repair/Engine Control Module, Replacing.
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Assembly is performed in the reverse of the removal.
Final procedures
After the 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: 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: 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: Testing and Inspection/Monitors, Trips, Drive
Cycles and Readiness Codes/Readiness Code.