Description And Operation: Operation
ACC+ / HALF+ system wiring diagram
The hardwired inputs for the ACC module may be diagnosed using conventional diagnostic tools and procedures. Refer to the appropriate wiring information. However, conventional diagnostic methods will not prove conclusive in the diagnosis of the ACC module or the electronic controls or communication between other modules and devices that provide features of the ACC and FCW system features. The most reliable, efficient, and accurate means to diagnose the ACC module or the electronic controls and communication related to ACC or FCW system operation requires the use of a diagnostic scan tool. Refer to the appropriate diagnostic information.