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TOHATSU BFT75A - Starting System Troubleshooting

TOHATSU BFT75A
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9-3
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STARTING SYSTEM
STARTING SYSTEM TROUBLESHOOTING
STARTER MOTOR DOES NOT TURN
1. Standard inspection
Check the following:
Battery condition
Blown No. 2 (10 A) fuse
Blown No. 6 (30 A) fuse
Are the above items in good condition?
YES GO TO STEP 2.
NO Replace or repair the malfunctioning part(s).
2. Starter relay operation inspection
Turn the combination switch to the START position.
Check the operation of the starter relay.
Does the starter relay click?
YES GO TO STEP 3.
NO GO TO STEP 5.
3. Starter solenoid inspection
Turn the combination switch OFF.
Remove the starter motor (page 9-5).
Check for continuity between the S terminal and
front bracket.
Check for continuity between the S terminal and M
terminal.
Is there continuity?
YES GO TO STEP 4.
NO Faulty starter solenoid.
4. Starter motor inspection
Apply battery voltage to the starter motor directly
and check the operation (A large amount of current
flows, so do not use a thin wire).
Does the starter motor turn?
YES Poorly connected starter motor cable
Repair the open circuit in the starter
cable (+) or fuse cable.
Faulty PGM-FI/Main relay
NO Inspect the starter motor (page 9-19).

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