Fuel Injector Inspection - TOHATSU BFT75A Service Manual

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FUEL INJECTOR INSPECTION

OPERATION INSPECTION
• If engine does not start, refer to "ENGINE DOES
NOT START" (page 4-2).
Start the engine and let it idle.
Confirm the fuel injector operates with a sounding rod
or stethoscope [1].
If the fuel injector does not operate, check the following:
– Fuel injector inspection (page 5-103)
– Circuit inspection (page 5-104)
If circuit inspection and fuel injector inspection are
normal, replace the ECM with a new one and recheck.
FUEL INJECTOR INSPECTION
Turn the combination switch OFF.
Remove the engine cover.
Disconnect the fuel injector 2P connector [2].
Measure the resistance between the fuel injector [2]
terminals.
Resistance: 9 – 11 Ω (at 20 °C/68 °F)
FUEL SYSTEM
[2]
[1]
[1]
5-103