Tests AG
PINPOINT TEST AG: THE DOOR AJAR DISPLAY IS NEVER/ALWAYS ONTest AG1-AG3:
Normal Operation
When any door is open, the door ajar switch provides a ground signal to the SJB and when the door is closed, the door ajar switch opens, removing the ground signal. The SJB uses the multiple inputs from the door ajar switches to determine whether the doors are in the open or close position. The SJB then provides a signal to the instrument cluster over the SCP communication network, circuits 914 (TN/OG) and 915 (PK/LB). The message center uses that information to display the door ajar message.
Possible Causes
- instrument cluster
- door ajar switch