Each PDM inside cover has a fuse map with an
image of the fuse layout for that vehicle.
Cab Electrical and Electronic
Components
Advanced Signal Detect and Actuation
Module (ASAM)
The advanced signal detect and actuation module
(ASAM) is the primary module in the electrical
system, combining chassis power distribution, cab
power distribution, and modular switch functions into
a single ECU. The ASAM does not contain fuses or
relays.
The ASAM reads input information from sensors,
switches, and databus messages, and drives output
and controller area network (CAN) messages. The
ASAM is located behind the right side dash panel.
See
Fig. 8.8.
f54804412/ /202212
Fig. 8.5, BCA
f54804312/ /202212
Fig. 8.6, Power Distribution Module (PDMe) in Engine
Compartment
f54804512/19/2022
Fig. 8.7, Power Distribution Module (PDMi) Behind
Right-Side Dash
Electrical System
8.3
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