Knock Sensor: Testing and Inspection
COMPONENT INSPECTIONKnock sensor
1. Disconnect knock sensor harness connector.
2. Check resistance between terminal (2) and ground.
Approximately 500 - 620 K Ohms at 25°C (77°F)
It is necessary to use an ohmmeter which can measure more than 10 M Ohms.
CAUTION: Do not use any knock sensors that have been dropped or physically damaged Use a new one.