KYMCO Downtown 300i ABS User Manual

13. FUEL INJECTION SYSTEM
13-19
Downtown 300i ABS
INSPECTION
Disconnect and remove the ECU from the
frame.
Check for continuity between pin 35 and 36
of the ECU side connector.
There should be continuity at all times.
Check for continuity between each pins 8, 9
and 24 of the ECU side connector.
There should be continuity at all times.
Check for continuity between pin 24 and 36
of the ECU side connector.
There should be no continuity at all times.
ECU PIN FUNCTION
PIN NO. NAME FUNCTION PIN NO. NAME FUNCTION
1 IGP Ignition power 19 BATT Battery
2 ROLL Roll sensor (Tilt switch) 20 －－
3 CRK-P Crank pulse sensor 21 MIL Multi indicator lam
p
(
ECLP
)
4 －－22 TW
Water temperature sensor
(ECT)
5 TH Throttle position sensor 23 －－
6PM
Manifold
p
ressure senso
r
(Intake pressure sensor)
24 SG Sensor ground
7HEGO
HEGO sensor (O2
sensor)
25 －－
8 LG Logic ground 26 －－
9 CRK-M
Crank pulse sensor
ground
27 －－
10 K-LINE Diagnostic tool 28 －－
11 FLPR Fuel pump relay 29 －－
13 VCC
Sensor power output
(+5V)
31 ISCAN
Idle s
p
eed control
(
ISC
)
/ A
(-)
14 ISCBP
Idle speed control (ISC)
B (+)
32 ISCBN
Idle s
p
eed control
(
ISC
)
/ B
(-)
15 ISCAP
Idle speed control (ISC)
A (+)
33 NE Meter
16 INJ Injection 34 －－
17 HEGO HT
HEGO HT sensor (O2
HT sensor)
35 PG1 Power ground
18 IG Ignition coil 36 PG2 Power ground

KYMCO Downtown 300i ABS Specifications

General

Brand	KYMCO
Model	Downtown 300i ABS
Category	Motorcycle
Language	English