TT Quattro Coupe V6-3.2L (BHE) (2005)
Camshaft Position Sensor: Testing and Inspection
Camshaft Position Sensor, Checking
NOTE: Use only gold-plated terminals when servicing terminals in the electrical harness connectors of the Camshaft Position (CMP) Sensor G40.
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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Vehicles with automatic transmission, shift selector lever into 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.
Test procedure
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Perform a preliminary check to verify the customers complaint. See: Computers and Control Systems/Testing and Inspection/Scan Tool Testing
and Procedures/General Diagnosis
Start diagnosis
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Disconnect the Camshaft Position (CMP) Sensor G40 electrical harness connector -1 -.
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Switch the ignition on.
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Using a Multimeter, Check the Camshaft Position (CMP) Sensor G40 electrical harness connector terminals 1 to 3 for voltage.
Specified value: about 5.0 V
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Switch the ignition off.
If the specification was not obtained:
Checking wiring
If the manufacturers test box is being used. Perform the following step.
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Install the test box VAG1598/31.