Diesel Emissions Fluid (DEF) System

Routing Diagram

Diesel Exhaust Fluid (DEF) & DEF Cooling System Routing Diagram






Legend
(1) DEF
(2) Engine coolant (DEF injector cooling)
(3) Engine coolant (DEF defrosting)
(4) DEF heater valve
(5) 3 way
(6) To heater
(7) SCR catalyst
(8) DEF injector
(9) DEF tank
(10) DEF level sensor
(11) DEF supply pump
(12) Pump motor
(13) Main filter