Test requirement:

NOTE:

Knock Sensor (KS) 1 -G61- and Knock Sensor (KS) 2 - G66- themselves cannot be electrically tested.
When servicing terminals in harness connector of knock sensors, use only gold-plated terminals.
For the knock sensors to function properly, it is important that tightening torque be exactly 20 Nm.
Check harness connector from knock sensor to wiring harness for corrosion.