volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Throttle Position Sensor, Checking|Page 578 > < Throttle Position Sensor, Checking
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Checking voltage supply

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Separate 3-pin connector from throttle position sensor.

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Connect multimeter to measure voltage at connector terminals 1 and 3.

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Switch ignition on.

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Specification: min. 4.5 V

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Switch ignition off.

If the specification is not attained:

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Connect VAG 1598/18 test box to ECM wiring harness.

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Check wiring for open circuits between test box and 3-pin connector, according to wiring diagram.
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Terminal 1 and test box socket 41

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Terminal 3 and test box socket 33

Throttle Position Sensor, Checking|Page 578 > < Throttle Position Sensor, Checking