A4 Cabriolet L4-1.8L Turbo (AMB) (2005)
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Check the following wire connections for open circuit according to wiring diagram:
Harness connector Terminal
Test box Socket
3
27
4
53
5
29
Specified value: Wire resistance max 1.5 Ohms
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Check wires for short circuit to each other as well as to B+ and Ground (GND).
Specified value: infinite Ohms (no continuity)
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If necessary, repair wire connection.
If no malfunctions are detected:
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Replace Mass Air Flow (MAF) sensor -G70-.
Final procedures
After repair work, the following work steps must be performed in the mentioned sequence:
1. Check DTC memory. See: Computers and Control Systems/Testing and Inspection/Scan Tool Testing and Procedures/Scan Tool Testing/With
Generic Scan Tool/Mode 3: Check DTC Memory
2. If necessary, erase DTC memory. See: Computers and Control Systems/Testing and Inspection/Scan Tool Testing and Procedures/Scan Tool
Testing/With Generic Scan Tool/Mode 4: Reset/Erase Diagnostic Data
3. Generate readiness code. See: Computers and Control Systems/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.