Knock Sensor(s)
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 1992 Volkswagen Passat, 1992 Volkswagen Jetta, 1992 Volkswagen Golf, 1992 Volkswagen GTI, and 1992 Volkswagen Fox. However, it is still accessible from the selected car via links, so may be relevant.
Before replacing knock sensor, check knock sensor torque and resistance. Remove knock sensor connector and check resistance between terminals No. 13 and No. 14. See Fig 1 . See KNOCK SENSOR RESISTANCE & TORQUE SPECIFICATION table. If resistance is not as specified, replace knock sensor.
NOTE:
Knock sensor Type I has signal wire attached 90 degrees from side. Type II sensor has signal wire running straight into side. Knock sensor mounting bolt torque must be exact. DO NOT use washers when mounting knock sensor.
KNOCK SENSOR RESISTANCE & TORQUE SPECIFICATION
| Application | Ohms | Ft. Lbs (N.m) |
|---|---|---|
| Type I | 300,000 | 7-9 (10-12) |
| Type II | Infinite | 15-18 (20-25) |