Engine Stop Relay - Honda SH300 2006 Manual

ENGINE STOP RELAY

OPERATION INSPECTION
Remove the rear body cover (page 3-6).
Turn the ignition switch "ON".
The engine stop relay coil is normal if the engine
stop relay clicks.
If you hear the engine stop relay "CLICK", but IACV
and fuel pump does not operate for a few seconds,
inspect the following:
– Engine stop relay continuity inspection (page 6-
67)
– Engine stop relay switch line inspection (page 6-
68)
• If the above inspections and the ECM power/
ground circuit (page 6-65) are normal, replace
the ECM with a new one, and recheck.
If you do not hear the relay "CLICK", inspect the fol-
lowing:
– Engine stop relay coil line inspection (page 6-68)
– Engine stop relay continuity inspection (page 6-
67)
• If the above inspections are normal, inspect the
bank angle sensor (page 6-73).
CONTINUITY INSPECTION
Turn the ignition switch OFF.
Remove the engine stop relay (page 6-69).
Connect the ohmmeter to the switching side relay
terminals.
Connection: A – B
Connect the 12 V battery to the coil side relay termi-
nals.
Connection: C (+) – D (–)
There should be continuity between the relay termi-
nals while the battery is connected, and no continu-
ity when the battery is disconnected.
FUEL SYSTEM (PGM-FI)
RELAY
A B
C
D
D B
C A
ENGINE STOP
RELAY
6-67