Knock Sensor: Testing and Inspection

COMPONENT INSPECTION
Knock Sensor
- Use an ohmmeter which can measure more than 10 M Ohms.

1. Disconnect knock sensor harness connector.
2. Check resistance between terminal (2) and ground.
Resistance: 500 - 620 K Ohms [at 25°C (77°F)]

CAUTION: Discard any knock sensors that have been dropped or physically damaged. Use only new ones.