HYOSUNG Aquila GT250 Ej, Service Manual

Page: 64 / 122

63
EI SYSTEM DIAGNOSIS 4-1-46
4) Disconnect the pick-up coil coupler and
measure the resistance.
5) If OK, then check the continuity between each
terminal and ground.
Pick-up coil resistance
Approx. 85 ~ 105
(G - L)
Pick-up coil continuity
(Infinity)
(G - Ground)
(L - Ground)
DETECTED CONDITION POSSIBLE CAUSE
Metal particles or foreign materiel being attached
on the pick-up coil and rotor tip.
Pick-up coil circuit open or short.
Pick-up coil malfunction.
ECU malfunction.
Refer to page 47 [4-1-30]
INSPECTION
1) Remove the frame cover.
2) Turn the ignition switch to the “OFF” position.
3) Check the pick-up coil coupler
for loose or poor
contacts.
If OK, then measure the pick-up coil resistance.
“0336” or “0337” PICK-UP COIL CIRCUIT MALFUNCTION
LCD (DISPLAY) INDICATION “FI” CHECK LAMP INDICATION
Tester knob indication : Resistance ( )
Tester knob indication : Resistance ( )