Honda EU30i Manual page 135

IGNITION SYSTEM
IGNITION SYSTEM
IGNITION SYSTEM
TROUBLESHOOTING
No Spark at Spark Plug
Perform spark test using a new spark plug (page
9-6).
No spark
Check the engine stop switch (page 11-3).
Normal
Check the ignition pulse generator air gap
(page 9-6).
Normal
Check the ignition pulse generator (page 9-7).
Normal
Check the ignition coil (page 9-7).
Normal
Check the harness connecting the ignition pulse
generator, oil level switch and ignition control
module for open or short circuit and for proper
connection.
GENERATOR WIRE HARNESS
B u
Y
C3 C4
IGNITION OIL LEVEL
PULSE SWITCH
GENERATOR
CONTROL WIRE HARNESS
2
Viewed from terminal side
Normal
Go to page 9-3
9-2
1
Viewed from
terminal side
1
B u
Y
Good spark
Previous spark plug was faulty.
Abnormal
Replace the engine stop switch (page 6-16).
Adjust the ignition pulse generator air gap (page
Abnormal
9-6).
Abnormal
Replace the ignition pulse generator (page 9-5).
Abnormal
Replace the ignition coil (page 9-5).
Replace or repair the generator wire harness
Abnormal
(page 8-10) and/or control wire harness (page
8-13).