4-2
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TROUBLESHOOTING
TROUBLESHOOTING
BEFORE TROUBLESHOOTING
• Use a known-good battery for troubleshooting.
• Check that the connectors are connected securely.
• Check for sufficient fresh fuel in the fuel tank.
• Check that the emergency stop switch clip is set securely.
• Read the circuit tester's operation instructions carefully, and observe the instructions during inspection.
• When a commercially available circuit tester is used for inspection, use the special tool [Tester probe (Male)
07ZAJ-RDJA110], and take care not to apply excessive force to the connector terminal.
• Switch the tester lead polarities to check the circuit, including the diode. The circuit is normal if there is
continuity in one direction but not the other. If there is continuity in both directions or in neither direction, the
circuit is abnormal.
– Indicator light
– PGM-FI/main relay
– Regulator/rectifier
–Power tilt relay
ENGINE TROUBLESHOOTING
ENGINE DOES NOT START OR ENGINE STALLS
ENGINE DOES NOT START
1. Electrical power system inspection
Turn the combination switch ON.
Check that the MIL and warning buzzer sound.
Does the MIL come ON for 2 seconds and warning buzzer sound twice?
YES – GO TO STEP 2.
NO – Perform fuse/electrical power system troubleshooting (page 4-12).
2. Alert system inspection
Check the warning buzzer sound.
Does the warning buzzer sound twice and then stop?
YES – GO TO STEP 3.
NO – Perform alert system/warning system troubleshooting (page 4-16).
3. Starting system inspection
Check that the starter motor operates properly.
Does the starter motor turn?
YES – GO TO STEP 4.
NO – Perform starting system troubleshooting (page 9-3).
4. Vapor separator inspection
Loosen the vapor separator drain screw and check whether fuel flows out.
Does the fuel flow properly?
YES – GO TO STEP 5.
NO – • Clogged or damaged fuel tube
• Closed fuel tank vent knob
• Faulty primer bulb
• Clogged fuel strainer (Low pressure side)
• Clogged water separator
• Faulty fuel pump (Low pressure side)
• Clogged vapor separator air vent tube or filter
• Faulty vapor separator
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