12 Instrument Panel Lamps Table 5. Fuel Filter Restriction Sensor Lamp: Fuel Filter Failed Table 6. Water-in-Fuel Lamp (WIF) Table 7. 26 All information subject to change without notice. Copyright © 2019 DETROIT DIESEL CORPORATION DDC-SVC-MAN-0207 Lamp Lamp Name Description Result Malfunction Indicator Lamp (MIL) Yellow lamp Indicates a failure of an Emission Control device. May illuminate at the same time as the Amber Warning Lamp. Vehicle can be driven to end of the shift. Call for service. Lamp Solid Lamp Flashing • At the start of every ignition cycle (a bulb check). • Never flashes. • For any emission related fault (light out when the fault is inactive).
Lamp Lamp Name Description Result Fuel Filter Restriction Sensor (FFRS) Lamp Yellow lamp Indicates that the fuel filter is restricted and needs to be serviced. May illuminate at the same time as the Malfunction Indicator Lamp (MIL) and Amber Warning Lamp (AWL). Service soon. Lamp Solid Lamp Flashing • At the start of every ignition cycle (a bulb check). • Never flashes. • Fuel filter needs service. Lamp Lamp Name Description Result Water-In-Fuel (WIF) Lamp Yellow lamp indicates that the fuel water separator has reached its capacity and needs to be drained. Engine water separator must be drained or an engine derate will occur.
Lamp Solid Lamp Flashing • At the start of every ignition cycle (a bulb check). • Never flashes. • Water separator has reached it maximum capacity.