Operation CHARM: Car repair manuals for everyone.

Test O

PINPOINT TEST O: BATTERY VOLTAGE OUT OF RANGE - FEM


Test O1:






Test O2-O3:






Normal Operation
The FEM arms/disarms the alarm system. The FEM receives voltage over circuits 29-DK22 (OG/YE) and 29-DK20 (OG/GN), 29S-DK21 (OG/WH).

Possible Causes
- FEM
- circuit 29-DK22 (OG/YE) open or short to ground
- circuit 29-DK20 (OG/GN) open or short to ground
- circuit 29S-DK1 (OG/WH) open or short to ground