Honda SH125 Manual page 123

FUEL SYSTEM (Programmed Fuel Injection)
FUNCTION TEST
Connect an ohmmeter to the switching side relay
terminals.
CONNECTION: Black/white #2
-
Brown
Connect a 12-V battery to the signal line side relay
terminals.
CONNECTION: Black/white #I
(+)
-
Brownlblack
(-)
There should be continuity while the battery is con-
nected to the relay terminals and there should be no
continuity when the battery is disconnected.
ENGINE STOP RELAY
INSPECTION
Remove the frame body cover (page 2-51.
Remove the engine stop relay.
Check the connector for loose contacts or corroded
terminals.
SIGNAL LINE
Check for continuity between the Redlorange wire
terminal of the relay connector and ground.
There should be no continuity with the ignition
switch turned to OFF.
If there is continuity, check for a short circuit in
the Red/orange wire between the relay connector
and bank angle sensor.
Turn the ignition switch to ON.
There should be continuity for a few seconds.
If there is no continuity, check for an open circuit
in the Redlorange wire between the relay con-
nector and bank angle sensor.
BATTERY
I
I
I T
9
Redlorange
& r
-
RELAY COIL POWER INPUT LINE
Measure the voltage between each Black wire termi-
nal (+) of the relay connector and ground (-) with
the ignition switch turned to
ON.
There should be battery voltage.
If there is no voltage, check the following:
-
open circuit in the Black wire between the engine
stop relay and fuse box
- sub-fuse 10
A (IGN, Al, START, FUEL
PUMP)
- open circuit in the Redlblack wire between the
fuse box and ignition switch
-
bank angle sensor and its circuit (page 5-45)
Black
- -