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Audi Workshop Service and Repair Manuals

Accelerator Pedal Position Sensor|Service and Repair > < Accelerator Pedal Position Sensor|Testing and Inspection|Page 937
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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.

Accelerator Pedal Position Sensor|Service and Repair > < Accelerator Pedal Position Sensor|Testing and Inspection|Page 937