Diesel Data: Automotive Repair

Test O

PINPOINT TEST O: THE ALARM SYSTEM DOES NOT OPERATE CORRECTLY - ALARM DOES NOT ACTIVATE WITH HOOD AJAR/OPEN


Test O1-O4:






Normal Operation
The FEM monitors the hood ajar switch to indicate an open hood. The alarm will not set if the switch is closed and the circuit is grounded.

Possible Causes
- hood ajar switch
- FEM
- circuit 8-GL7 (WH) open or shorted to power