Illustration 49
g06263708
Typical example
(1) DEF level sensor
(2) DEF pump
(3) Coolant diverter switch
i05422613
Battery
Disconnect
Switch
(If
Equipped)
Illustration 50
g03422039
NOTICE
Do not turn off the battery disconnect switch until the
indicator lamp has turned off. If the switch is turned
off when the indicator lamp is illuminated the Diesel
Exhaust Fluid (DEF) system will not purge the DEF. If
the DEF does not purge, DEF could freeze and dam-
age the pump and lines.
NOTICE
Never move the battery disconnect switch to the OFF
position while the engine is operating. Serious dam-
age to the electrical system could result.
Battery Disconnect Switch – The battery
disconnect switch can be used in order
to disconnect the battery from the
engines electrical system. The key must be
inserted into the battery disconnect switch
before the battery disconnect switch can be
turned.
ON – To activate the electrical system,
insert the disconnect switch key and
turn the battery disconnect switch
clockwise. The battery disconnect switch must
be turned to the ON position before you start the
engine.
OFF – To deactivate the electrical
system, turn the battery disconnect
switch counterclockwise to the OFF
position.
46
M0087475-06