Honda Metropolitan CHF50 Service Manual page 276

ELECTRIC STARTER
TROUBLESHOOTING
Alternator/Starter does not turn (Flywheel does not turn)
1. Fuse Inspection
Check for a blown main fuse (15A) and sub fuse (10A).
Is either fuse blown?
YES - Replace the fuse.
NO - GO TO STEP 2.
2. Battery Inspection
Check if the battery is fully charged and is in good condition. Also check that there is no loose termi-
nals or connections.
Is the battery in good condition?
YES - GO TO STEP 3.
NO - Fully charge or replace the battery.
3. Starter Relay Operation Check
With the ignition switch turned to ON, squeeze the brake lever, push the starter switch and check for
a "Click" sound from the starter relay.
Is a "Click" heard?
YES - GO TO STEP 4.
NO - GO TO STEP 9.
4. Battery Ground Circuit Inspection
Check the battery ground circuit on the ECM (page 15-9).
Check for continuity between the Green wire terminal of the wire harness and body ground.
Does continuity exist?
YES - GO TO STEP 5.
NO - Open circuit in the Green wire between the 6P connector of the ECM and battery.
5. Stator Coil Inspection
Check the stator coil for resistance on the ECM side (page 17-6).
Is the resistance held within the standard?
YES - GO TO STEP 6.
NO - • Open circuit in the Red/yellow, Red/blue and Red/white wires between the 6P connector
of the ECM and 3P connector of alternator/starter.
• Faulty stator coil.
• Loose or poorly connected stator related connector.
6. Starter Switch Circuit Inspection
Inspect the starter switch circuit on the ECM (page 17-7).
Is the starter switch circuit in good condition?
YES - GO TO STEP 7.
NO - • Open circuit in the Red wire between the 6P connector of the ECM and starter relay.
7. Starter Relay Inspection
Check the operation of the starter relay (page 17-6).
te the starter relay in good condition?
YES - • GO TO STEP 8. (if from step 6)
• GO TO STEP 10. (if from step 9)
NO - Faulty starter relay.
17-4