New Beetle L4-1.8L Turbo (AWV) (2005)
If specified values are not obtained:
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Replace Engine Speed (RPM) Sensor -G28-.
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Erase DTC memory of Engine Control Module (ECM). Diagnostic mode 4: Reset/erase diagnostic data. See: Testing and Inspection/Scan Tool
Testing and Procedures/With Generic Scan Tool/Diagnostic Mode 4: Reset/Erase Diagnostic Data
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Generate readiness code. See: Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness Codes
Check wires to control module
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Connect test box to control module wiring harness. connect test box for wiring test. See: Testing and Inspection/Reading and Clearing Diagnostic
Trouble Codes/Scan Tool Connecting/Test Box, Connecting For Wiring Test
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Check wires between test box and 3-pin connector to Engine Control Module (ECM) for open circuit according to wiring diagram.
Terminal 1 + socket 108
Terminal 2 + socket 90
Terminal 3 + socket 82
Wire resistance: max. 1.5 Ohms
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Check wires for short circuit to each other.
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-.