DAELIM S4 50cc Service Manual page 165

CDI UNIT INSPECTION
CDI UNIT CDI UNIT CDI UNIT CDI UNIT CDI UNIT CDI UNIT CDI UNIT
CDI UNIT CDI UNIT CDI UNIT CDI UNIT CDI UNIT CDI UNIT
CDI UNIT CDI UNIT CDI UNIT CDI UNIT
CDI UNIT CDI UNIT CDI UNIT CDI UNIT CDI UNIT
CDI IGNITION CIRCUIT INSPECTION
NOTE
•Follow the step described in the troubleshooting
flow chart when servicing the ignition system.
● Remove the front cover.
● Disconnect the coupler from the CDI unit, and
check the ignition system circuits from the wiring
coupler side.
INSPECTION ITEMS
ITEM
EXCITE INPUT
VOLTAGE
PULSE
GERNERATOR
IGNITION
(PRIMARY)COIL
GROUND
WIRE
● If there is no CDI output voltage, because CDI is
faulty, replace it.
TOOLS: MULTI- TESTER
NOTE
•Read tester manual carefully prior to using the
tester.
● Install in the reverse order of removal.
PULSE GENERATOR
INSPECTION
RESISTANCE MEASUREMENT
● Release the seat lock with the main key.
PULSE LINE PULSE LINE PULSE LINE PULSE LINE PULSE LINE PULSE LINE PULSE LINE
PULSE LINE PULSE LINE PULSE LINE PULSE LINE PULSE LINE PULSE LINE
PULSE LINE PULSE LINE
PULSE LINE PULSE LINE PULSE LINE PULSE LINE PULSE LINE PULSE LINE PULSE LINE
● Remove the luggage box(3-2).
● Disconnect the A.C generator 3P coupler and
black/red and white/red wire connector.
● Measure the resistance between the blue and yellow
and engine ground.
STANDARD VALUE: 50~200Ω Ω (20°C)
PVC MEASUREMENT
● Disconnect the A.C generator blue/yellow wire
connector.
● Connect the peak voltage adaptor probes to the pulse
generator wire terminal of the wire harness side
connector and ground.
● Crank the engine with the lick starter or starter motor
and measure the peak voltage of pulse generator.
PEAK VOLTAGE: OVER 1.5 V
TOOL: PVA MULTI TESTER
● Install in the reverse order of removal.
IGNITION SYSTEM
INSPECTION
Check that there is battery voltage
between main switch
wire(black/red)and ground wire when
the ignition is ON
Check that the resistance of coil
(between white/red and green)is
within specified range
Check that the resi s tance of coi l
(between bl a ck/ yel l o w and green) i s
wi t hi n the speci f i e d range.(0.1~0.5 Ω)
Check continuity between ground
and frame
JUDGEMENT
±
PVA 225 25V
OVER 1.5V
±
225 25V
Continuoty