Operation CHARM: Car repair manuals for everyone.

Knock Sensor: Testing and Inspection


COMPONENT INSPECTION
Knock sensor




- Use an ohmmeter which can measure more than 10 Meg. ohm.
1. Disconnect knock sensor harness connector.
2. Check resistance between terminal (1) and ground.

Resistance: 500 - 620 KOhms [at 25°C (77°F)]

CAUTION: Do not use any knock sensors that have been dropped or physically damaged. Use only new ones.