New Beetle GLS L4-1.8L Turbo (AWV) (2001)
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VAG1526 multimeter or VAG1715 multimeter
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VAG1594 connector test kit
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Wiring diagram
Test sequence
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Disconnect gray 3-pin harness connector -1- leading to the engine speed (RPM) sensor.
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Measure sensor resistance between terminals 2 + 3 at connector to sensor.
Specified value: 730...1000 ohms
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Check sensor for short circuit between terminals 1 + 2 and 1 + 3.
Specified value: Infinite Ohms
If specified values are not obtained:
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Replace Engine Speed (RPM) Sensor -G28-, item 8.
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Erase DTC memory of Engine Control Module (ECM), Diagnostic mode 4: Reset/erase diagnostic data. See: Computers and Control
Systems/Testing and Inspection/Scan Tool Testing and Procedures/Read Measuring Value Blocks (Function 08)/With Generic Scan
Tool/Diagnostic Mode 4: Reset/Erase Diagnostic Data
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Generate readiness code. See: Computers and Control Systems/Testing and Inspection/Monitors, Trips, Drive Cycles 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.
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Check wires between test box and 3-pin connector for open circuit according to wiring diagram.
Terminal 1 + socket 108
Terminal 2 + socket 90