DAELIM VJF125 Service Manual - page 57
5. SELF-DIAGNOSTIC FUNCTION BY MIL (Malfunction Indicator Lamp)
SELF-DIAGNOSTIC FUNCTION
The EMS is equipped with self-diagnostic function in order to ensure that the engine control system is operation
normally. If this function detects a malfunction in the system, it immediately operates and illuminates the MIL
(malfunction indicator lamp). It gives the rider that malfunction has occurred in the system.
However, the ECU takes fail-safe function, it enables to drive only temporary when that happen.
Normally, the MIL illuminates for 3 seconds, when the main key is turned on.
Remarks 1
If the EMS has some problem and the MIL on and off, engine starting and driving are temporary by the EMS’s
fail safe function. But the EMS is not normal condition, so check the vehicle and repair soonest.
Remarks 2
It might not be able to starting and driving when following problems happen.
- Crankposition sensor
- Injector
- Fuel pump
EMS(Engine Management System)
5-5
when the ignition key ON.
The MIL on and blink(when this function detects a malfunction in the system)
MIL
OFF
ON
Starting and driving are temporary
Unable to engine start
Able to engine start
MIL
ON
Blink
MIL on continuously, when the engine operating
MIL blinks, when the main key is turn on (engine is stop)
MIL(Malfuction Indicator Lamp)