Knock sensors, checking: Procedure

For component locations, see COMPONENT LOCATIONS, OVERVIEW .

NOTE:

Knock Sensor (KS) 1 -G61- and Knock Sensor (KS) 2 - G66- themselves cannot be electrically tested.
Use only gold -plated terminals when servicing harness connector for knock sensors.
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.