Test A: DTC B1519 Hood Ajar Switch/Circuit Failure
PINPOINT TEST A: DTC B1519 HOOD AJAR SWITCH/CIRCUIT FAILUREA1-A2:

A3-A4:

Normal Operation
The smart junction box (SJB) sends a voltage signal to the hood ajar switch through circuit 1304 (VT/OG). When the hood is closed, the hood ajar switch routes the signal to ground through circuit 57 (BK)
Possible Causes
- circuit 1304 (VT/OG) shorted to ground
- hood ajar switch
- SJB