New Beetle L4-2.0L (BEV) (2004)
and Readiness Codes
If no DTC is found on sensor:
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Connect test box to control module wiring harness, connect test box for wiring test. See: Powertrain Management/Computers and Control
Systems/Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes/Scan Tool Connecting/With Generic Scan Tool/Test Box,
Connecting For Wiring Test
Vehicles with engine code AEG
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Check wires between test box and 3-pin connector for open circuit according to wiring diagram.
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Terminal 1 + socket 67
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Terminal 2 + socket 63
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Terminal 3 + socket 56
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Wire resistance: max. 1.5 Ohms
Vehicles with engine code AVH, AZG, BDC
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Check wires between test box and 3-pin connector for open circuit according to wiring diagram.
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Terminal 1 + socket 108
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Terminal 2 + socket 90
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Terminal 3 + socket 82
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Wire resistance: max. 1.5 Ohms
Continuation for all vehicles
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Also check wires for short circuit to each other, to vehicle Ground (GND) and to B+. Specified value: Infinite Ohms
If no malfunctions are found in wires:
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Remove sensor and check sensor wheel for secure fit, damage, and run-out.
NOTE: There is a larger-sized gap on the sensor wheel. This gap is the reference mark and does not mean that the sensor wheel is damaged.
If nothing seems to be wrong with the sensor wheel:
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Replace Motronic Engine Control Module (ECM) -J220-.