Operation CHARM: Car repair manuals for everyone.

Test C: The Alarm System Does Not Arm/Disarm - Inoperative From The Hood Ajar Switch

PINPOINT TEST C: THE ALARM SYSTEM DOES NOT ARM/DISARM - INOPERATIVE FROM THE HOOD AJAR SWITCH


C1-C2:






C3-C5:






C5-C7:






Normal Operation
The smart junction box (SJB) monitors the hood ajar switch to prevent the alarm from being armed while the hood is open.

Possible Causes
- circuit 570 (BK/WH) open
- circuit 1304 (VT/OG) open or short to ground
- hood ajar switch
- SJB