Diagnosis And Testing - Hood Ajar Switch

The hood ajar switch as well as the hard wired circuits between the switch and the Body Control Module (BCM) 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 electronic controls and communication between modules and other devices related to hood ajar switch operation that provide some features of the domestic remote start system. The most reliable, efficient and accurate means to diagnose the electronic controls and communication related to hood ajar switch operation requires the use of a diagnostic scan tool. Refer to the appropriate diagnostic information.