Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Cadillac >> 2009 >> STS Base, 3.6 V, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 3.6L - DTC P0201 To DTC P0700 >> DTC P0324 >> Circuit/System Description >> Test Two

Test Two

The ECM internally turns OFF the knock sensor signal circuits. The ECM then tests for any output response when no test signals are applied. If the ECM detects an output response, this DTC sets.