K2500 Suburban Knock Sensor Diagram. 2007 chevrolet suburban 2500 service repair manual software. When we applied 12 volts to the wire from esc to ecm with the knock sensor plugged in that puts the knock reading at zero but code 43 comes back.
Ignition system circuit diagram 1996 1999. Hence there are several books. 1989 chevy truck low volts electrical problem v8.
Any trouble codes from p0325 p0334 are related to the knock sensor in one way or the other.
Posted on jul 22 2009. What is covered here is generally applicable to most tbi systems but we will be putting particular emphasis on how it applies to our gmcs. My early block only has a hole for a knock sensor in the back above the bellhousing instead of 1 on each side. 3 oct 22 2008.