July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Knock Sensor: Inspection

INSPECT KNOCK SENSOR

Measure the resistance of the sensor.

Standard resistance

RESISTANCE SPECIFICATION

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

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

Fig 1: Measuring Resistance Of Knock Sensor