A6 Quattro Sedan V6-3.0L (AVK) (2002)
Display Group 004
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Exit function "08 - Read measured value block" by pressing <- button.
Checking wiring
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Disconnect connector (arrow) to mass air flow sensor.
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Connect test box VAG 1598/31 to wiring harness for engine control module; do not connect engine control module. See: Computers and Control
Systems/Testing and Inspection/Scan Tool Testing and Procedures/Scan Tool Testing/Scan Tool Connecting and Initial Checks/Wiring and
Component Testing Using VAG1598/31 Test Box
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Check for open circuit and short to positive or short to ground in following wiring connection:
Connector
Test box VAG 1598/31
terminal
Socket
5
26
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Repair any open/short circuit as necessary.
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Check all wires for short to one another.
If no wiring malfunction is detected:
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Replace mass air flow (MAF) sensor -G70-.