Ignition (Power) System; Engine Does Not Start - Honda BF135A Manual

b. IGNITION (POWER) SYSTEM

• ENGINE DOES NOT START

Turn the ignition switch ON. Check
whether the warning buzzer sounds
twice.
Sounds.
Check the No. 5 (10A) fuse.
Is the fuse normal?
YES
Turn the ignition switch ON and check
whether the alternator indicator light
comes ON (with the engine stopped).
Comes ON.
Perform the following checks and
repair if necessary.
• Open in the wire between the MIL
and ECM.
• Blown MIL.
If there is no problem, replace the
ECM with a new one and recheck.
2-20
Does not
sound.
Check for blown No. 3 (10A), No. 7
(30A) and the No. 4 (15A) fuses.
Are the fuses normal?
YES
Check the PGM-FI main relay.
Is the main relay normal?
YES
Check the ignition switch.
Is the ignition switch normal?
YES
Check the power line of the main
wire harness.
Is the main wire harness normal?
YES
Perform MIL troubleshooting of "MIL
DOES NOT COME ON" (P. 5-18 or
5-61).
NO
Does not come ON.
BF135A•BF150A
Replace the blown fuse(s).
NO
Remove the cause of the
blown fuse(s) before replace-
ment (see FUSE LOAD
CHART on P. 2-20).
Replace the PGM-FI main
NO
relay.
NO Replace the ignition switch.
NO Replace or repair the main
wire harness.
Replace the No. 5 (10A) fuse.
Remove the cause of the blown fuse
before replacement (see FUSE LOAD
CHART on P. 2-20).
Open in the wire harness between the
indicator light and No. 5 (10A) fuse.
• Replace or repair the wire harness.
• Replace the indicator light.