Knock sensors, checking: Notes
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2002 Volkswagen Jetta, 2002 Volkswagen GTI, 2001 Volkswagen Jetta, 2001 Volkswagen GTI, and 2000 Volkswagen Jetta. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
- It is extremely important to keep to the tightening torque of 20 Nm to ensure the knock sensors function normally.
- Only gold plated terminals may be used when servicing the knock sensor harness connector terminals.
Special tools, testers and auxiliary items required
- Scan Tool (ST) VAG 1551 or mobile scan tool VAG 1552 with adapter cable VAG 1551/3
- Test box VAG 1598/31
- Multimeter (Fluke 83 or equivalent)
- Adapter set VW 1594
- Wiring diagram