Theory Of Operation
WARNING: This page is about a different car, the 2016 Dodge Journey and 2015 Dodge Journey. However, it is still accessible from the selected car via links, so may be relevant.
When powered, the Occupant Restraint Controller (ORC) sends a test current to the position sensor to verify the integrity of the sensor and wiring. The use of the (special tool #8443-28, SRS Load Tool Adapter) Supplemental Restraint System (SRS) Load Tool Adapter provides a test point in place of the module.