TT Coupe L4-1.8L Turbo (AWP) (2005)
Camshaft Position Sensor: Testing and Inspection
Camshaft Position Sensor, Checking
Camshaft Position Sensor, Checking
Recommended Special Tools, Workshop Equipment, Testers, Measuring Instruments and Auxiliary Items
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V.A.G 1526 portable multimeter or V.A.G 1715 multimeter
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Adapter set V. A. G 1594
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Wiring diagram
Test Conditions
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The respective fuses of Motronic Engine Control Module (ECM) -J220- must be OK
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Battery voltage must be at least 11.5 V.
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All electrical consumers such as, for example, lights and rear window defroster must be switched off.
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The parking brake must be applied, otherwise the daytime running lights are switched on.
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The Ground (GND) connections between engine and body must be OK.
Test Sequence
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Disconnect 3-pin connector from Camshaft Position (CMP) sensor.
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Connect multimeter between terminal 1 (B+) and 3 (Ground -GND-) of the respective connector for camshaft position sensor for voltage
measurement.
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Switch ignition on.
Specification: at least 4.5 V
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Switch off ignition.
If no voltage is present:
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Connect test box to ECM wiring harness. See: Testing and Inspection/Component Tests and General Diagnostics/Test Box, Connecting For
Wiring Test
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Check wires between test box and 3-pin connector for open circuit according to wiring diagram.
Terminal 1 + Socket 98
Terminal 2 + Socket 86
Terminal 3 + Socket 108
Wiring resistance: max. 1.5 Ohms
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Also check wires for short circuit to each other.