A3 L4-2.0L Turbo (BPY) (2006)
Turbo Boost Sensor: Testing and Inspection
Charge Air Pressure Sensor G31, Checking
NOTE: Use only gold-plated terminals when servicing terminals in harness connector of Charge Air Pressure Sensor G31.
Special tools, testers and auxiliary items required
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Multimeter.
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Wiring diagram.
Test requirements
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The Motronic Engine Control Module (ECM) J220 fuses OK.
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Battery voltage at least 12.5 volts.
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All electrical consumers such as, lights and rear window defroster, switched off.
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On vehicles with automatic transmission, selector lever in position "P" or "N".
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A/C switched off.
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Ground (GND) connections between engine/transmission/chassis OK.
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Ignition switched off.
Procedure
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Remove the engine cover with air filter.
Test sequence
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Disconnect the Charge Air Pressure Sensor G31 electrical harness connector - arrow -.
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Start engine and let it run at idle.