Knock Sensor: Testing and Inspection

Circuit Diagram





Troubleshooting Procedures








Harness Inspection Procedure

Sensor Inspection Procedure
1. Disconnect the knock sensor connector.





2. Measure resistance between the terminal 2 and 3.

Standard value: about 5 M ohms at 20° C (68° F)

3. If the resistance is continual, replace the knock sensor.

Tightening torque: 16 - 25 Nm (11.8 - 18.4 ft lb)