New Beetle L5-2.5L (BPR) (2007)
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Specified value: 13.7 M ohms
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Disconnect the Engine Speed (RPM) Sensor (G28 ) electrical harness connector.
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Using a multimeter, connect the RED multimeter lead to Engine Speed (RPM) Sensor (G28) terminal 1 and the BLACK multimeter lead to
terminal 3 for resistance.
Specified value: 13.7 M ohms
If any of the specified values are not obtained:
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Replace the Engine Speed (RPM) Sensor (G28).
If the specified value was obtained:
Checking wiring
If the manufacturers test box is being used, perform the following step.
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Install the test box.
If the manufacturers test box is not being used, perform the following step.
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Remove the Motronic Engine Control Module (ECM) ( J220). Refer to the Repair Information.
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Using a multimeter, check the Engine Speed (RPM) Sensor (G28) electrical harness connector terminals to the Motronic Engine Control Module
(ECM) (J220) electrical harness connector T121 terminals for an open circuit.
Specified value: 1.5 ohms Max.
If the specified value was Not obtained:
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Check the wiring for an open, high resistance or short to ground.
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Check the electrical harness connector for damage, corrosion, loose or broken terminals.
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If necessary, repair the faulty wiring connection.
If no malfunction is detected in the wiring:
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Remove the Engine Speed (RPM) Sensor (G28) and check the sensor wheel for proper seating, damage and runout Refer to the Repair
Information.
If the sensor wheel is OK:
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Replace the Motronic Engine Control Module (ECM) (J220). Refer to the Repair Information.
Final procedures
After the repair work, the following work steps must be performed in the following sequence:
1. Check the DTC memory. Refer to => [ Diagnostic Mode 03 - Read DTC Memory ] See: Testing and Inspection/Scan Tool Testing and
Procedures/Diagnostic Modes 01 - 09.
2. If necessary, erase the DTC memory. Refer to => [ Diagnostic Mode 04 - Erase DTC Memory ] See: Testing and Inspection/Scan Tool Testing
and Procedures/Diagnostic Modes 01 - 09.
