A4 Quattro Cabriolet V6-3.0L (BGN) (2005)
Checking voltage supply for accelerator position sensors
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Remove driver's storage compartment:
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Disconnect connector for accelerator position sensors.
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Switch ignition on.
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Connect multimeter as follows to measure voltage:
Connector
Specified value
terminal
1 + ground
approx. 5 V
1 + 5
approx. 5 V
2 + ground
approx. 5 V
2 + 3
approx. 5 V
If specifications are obtained:
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Additionally check signal wires.
If the specified values are not obtained:
Checking wiring
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Connect test box VAG1598/31 to wiring harness for engine control module; do not connect engine control module.
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Check for open circuit and short to positive or Ground in following wiring connection:
Connector
Test box VAG1598/31
terminal
Socket
1
72
2
73
3
36
4
35
5
33
6
34
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Repair any open/short circuit as necessary.
If no wiring malfunction is detected:
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Replace accelerator position sensors.