Honda SH300 2006 Manual page 178

FUEL SYSTEM (PGM-FI)
SWITCH LINE INSPECTION
Turn the ignition switch OFF.
Remove the engine stop relay (page 6-69).
Short the relay connector terminals of the wire har-
ness side with a jumper wire.
Connection: Red/Green – Black/White
Disconnect the ECM 33P connector (page 6-65).
Turn the ignition switch "ON".
Measure the voltage between the ECM connector of
the wire harness side and ground.
Connection: No.1 (Black/White) (+) – Ground (–)
TOOL:
Test probe
If the battery voltage appears, the engine stop relay
switch line is normal.
If the battery voltage does not appear, inspect the
following:
– Open circuit in Red/Green wire between the
engine stop switch and engine stop relay switch
line side
– Inspect the engine stop switch (page 22-18).
– Open circuit in Black/White wire between the
engine stop relay and ECM
COIL LINE INSPECTION
Turn the ignition switch OFF.
Remove the engine stop relay (page 6-69).
Short the relay connector terminals of the wire har-
ness side with a jumper wire.
Connection: Black – Red/Blue
Disconnect the bank angle sensor 6P connector.
Turn the ignition switch "ON".
Measure the voltage between the bank angle sensor
connector of the wire harness side.
Connection: Red/Blue (+) – Green (–)
If the battery voltage appears, the engine stop relay
coil line is normal.
If the battery voltage does not appear, inspect the
following:
– Open circuit in Black wire between the fuse box
and engine stop relay coil line side
– Open circuit in Red/Blue wire between the engine
stop relay and bank angle sensor
6-68
ENGINE STOP RELAY
07ZAJ-RDJA110
ECM 33P CONNECTOR
ENGINE STOP RELAY
BANK ANGLE
SENSOR 3P
CONNECTOR
RELAY CONNECTOR
JUMPER WIRE
33P CONNECTOR
(Wire side of female
terminals)
Bl/W
JUMPER WIRE
RELAY CONNECTOR
3P CONNECTOR
((Wire side of male
terminals)
G
R/Bu