Suzuki GF60A, Service Manual

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Starting System: 1I-2
Starter Motor Operation Condition Description
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The starter motor relay is controlled by the ECM.
• The starter motor relay will only engage when the ignition switch is turned to the “START” position if the all of the
following conditions are satisfied.
– Lock plate is attached to emergency stop switch.
– Neutral switch is in the “ON” position.
– Engine is not already operating.
• After returning the ignition key to the “ON” position from “START”, the starter motor continues to run for 4 seconds
until engine starts.
Start-In-Gear Protection System Description
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To avoid accidental movement of the boat at the time of engine starting, the system prohibits starter motor operation
when the shift lever is “IN” gear.
Control by Neutral Switch
A switch to detect “Neutral” gear position is located on the clutch lever holder and operated by the clutch control lever.
This ON/OFF type switch is ON in “Neutral” and OFF in “Forward” or “Reverse”.
When attempting to start the engine, the ECM detects the shift position using the neutral switch.
When the neutral switch is OFF, the ECM does not provide a starter motor relay operating signal and fuel injector
operating signal.
Operation by neutral switch on engine starting
1. Clutch lever “B”: Forward
2. Neutral switch “C”: Reverse
“A”: Neutral
Shift position
Operation
Fuel injection Ignition
High pressure fuel
pump
Starter motor
Neutral Yes Yes Yes Yes
Forward / Reverse No No Yes No
“C”
“A”
“B”
1
2
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