Resistance should be a maximum of 1.5 ohms for each reading. Check wiring in Engine Speed sensor 3-
pin harness connector for short circuits to one another. If resistance is okay and no short circuits are
present, go to next step. If resistance is not okay or short circuit exists, repair as necessary. Erase DTC
memory. Verify repair. Test is complete. Perform ECM relearn procedure. See TEST DRIVE
RELEARN PROCEDURE .
4.
Remove Engine Speed sensor. Ensure Engine Speed sensor wheel is secure on sensor shaft. Check
Engine Speed sensor for excessive runout and damage. Ensure that spacer for sensor is seated securely.
Repair or replace as necessary. Erase DTC memory. Verify repair. Test is complete. Perform ECM
relearn procedure. See TEST DRIVE RELEARN PROCEDURE . If Engine Speed sensor harness
connector circuits are okay, and Engine Speed sensor is okay, replace ECM. See ENGINE CONTROL
MODULE REMOVAL & INSTALLATION . Erase DTC memory. Verify repair. Test is complete.
Perform ECM relearn procedure. See TEST DRIVE RELEARN PROCEDURE .
Fig. 45: Locating Engine Speed Sensor (Passat)
Courtesy of VOLKSWAGEN UNITED STATES, INC.
NOTE:
There is a gap in sensor wheel. This gap is the reference mark.
2003 Volkswagen New Beetle GLS
2002-2003 ENGINE PERFORMANCE Self-Diagnostics - 1.8L Turbo
Helpmelearn Repair Manuals
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