Knock Sensor: Inspection

INSPECT KNOCK SENSOR

Check the resistance.

Using an ohmmeter, measure the resistance between the terminals.

Resistance

RESISTANCE SPECIFIED CONDITIONS

Tester Connection	Specified Condition
1 (Ground) - 2 (Output)	120 to 280 k at 20°C (68°F)

If the result is not as specified, replace the knock sensor.

Fig 1: Checking Knock Sensor Resistance