Circuit Description

PCM uses Output Driver Modules (ODMs) to control many engine and transaxle functions. The ODMs supply ground path for the PCM controlled device when it is commanding the device on. Each ODM is able to control several outputs and are able to diagnose each output circuit. PCM monitors the ODMs for circuit conditions that are incorrect for the commanded state of the ODM. DTC will set when PCM detects, for 2 seconds, an improper circuit condition in the ODM that controls the starter relay