Component Inspection

KNOCK SENSOR
Use an ohmmeter which can measure more than 10 Meg. ohms.

1. Disconnect knock sensor harness connector.
2. Check resistance between terminal (a) and ground.

Resistance: 500 - 620 ohms at 25°C (77°F)

CAUTION: Discard any knock sensor which has been dropped or undergone shocks; use a new one.