A4 V6-3.0L (AVK) (2004)
Air Flow Meter/Sensor: Testing and Inspection
Wiring to Mass Air Flow (MAF) Sensor -G70-, Checking
Checking Wiring To Mass Air Flow (MAF) Sensor
NOTE: The signal wire is also checked during the wiring check.
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Connect test box VAG 1598/31 to wiring harness for engine control module; do not connect engine control module. See: Testing and
Inspection/Scan Tool Testing and Procedures/Scan Tool Testing/With Manufacturer's Scan Tool/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 Ground in following wiring connections:
Connector
Test box VAG 1598/31
test
Socket
1
53
3
27
4
29
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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-.