A6 V6-3.0L (AVK) (2004)
Checking wire connections
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Disconnect harness connector -arrow- at Mass Air Flow (MAF) sensor.
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Connect test box to wiring harness of Engine Control Module (ECM); ECM is not connected. See: Testing and Inspection/Reading and Clearing
Diagnostic Trouble Codes/Scan Tool Connecting/With Generic Scan Tool/Test Box, Connecting For Wiring Testing
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Check the following wire connection for open circuit according to wiring diagram:
Harness connector
Test box
Terminal
Socket
5
26
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Specified value: Wire resistance max 1.5 Ohms
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Also check wires for short circuit to each other as well as to B+ and Ground (GND).
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Specified value: Infinity Ohms (no continuity)
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If necessary, repair wire connection.
If no malfunctions are found in wires:
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Replace Mass Air Flow (MAF) sensor -G70- -item 2 -.
Final procedures
After repair work, the following work steps must be performed in the mentioned sequence:
1
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Check DTC memory "Mode 3: Check DTC memory". See: Testing and Inspection/Scan Tool Testing and Procedures/Scan Tool Testing/With
Generic Scan Tool/Diagnostic Mode 1: Check Measured Values
2
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If necessary, erase DTC memory "Mode 4: Reset/erase diagnostic data". See: Testing and Inspection/Scan Tool Testing and Procedures/Scan
Tool Testing/With Generic Scan Tool/Diagnostic Mode 4: Reset/Erase Diagnostic Data
3
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Generate readiness code. See: Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness Codes/Audi Drive Cycle/Readiness
Code/With Generic Scan Tool/Readiness Code, Generating
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End diagnosis and switch ignition off.