Multiplexed Electrical System Service Manual 5 Chassis Node Details Chassis Node Connector Identification The node that receives information from the CECU to control exterior lighting, Electric over Air controls, and windshield wipers is called the chassis node. The chassis node serves as a bidirectional conduit for both information and control. There are three 21-pin electrical connectors that plug into the Chassis Node. Connector A - 21 pins Connector B - 21 pins Connector C - 21 pins For an illustration of the side view of a Chassis Node showing where the harness connectors attach into the control unit, see Chassis Node Figure.
This figure identifies connector position on the control unit as well as individual connector pin locations. Chassis Node Figure For connector face views at the harness connectors that plug into the Chassis Node, see Chassis Node Connector Face Views Figure. Chassis Node Connector Face Views PM819023/KM815057 (08/14/2012) 5 - 7