1I-2 Starting System:
Starter Motor Operation Condition Description
Z9J0111901002
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.
NOTE
If a failure exists in the sub-battery cable or
the 15 amp. fuse in its circuit, the starter
motor relay circuit will not function.
Start-In-Gear Protection System Description
Z9J0111901003
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.
Control by Shift Position Sensor
A shift position sensor is installed on the clutch lever
holder and detects the shift position as the clutch lever is
interlocked with the SPS shaft.
This sensor is a variable resistor that changes resistance
in accordance with the shift position.
The resistance changes (increase / decrease) the
voltage signal output from the sensor to the ECM. Based
on the sensor voltage, the ECM calculates and detects
shift position.
When attempting to start the engine, the ECM does not
provide an injector operating signal when a shift lever in-
gear position is detected.
Operation by neutral switch on engine starting
*1: If it is in neutral judged by the ECM according to the
shift position sensor signal.
Operation by shift position sensor on engine
starting
*2: If it is in neutral judged by the ECM according to ON
signal from the neutral switch.
1. Clutch lever 2. Neutral switch
1
“Reverse” “Forward”
“Neutral”
2
I9J011190050-02
1. Clutch lever 2. Shift position sensor
Shift
position
Operation
Fuel
injection
Ignition
High
pressure
fuel pump
Starter
motor
Neutral Yes Yes Yes Yes
Forward /
Reverse
No
(*1:Yes)
No
(*1:Yes)
Yes N o
Shift
position
Operation
Fuel
injection
Ignition
High
pressure
fuel pump
Starter
motor
Neutral Yes Yes Yes Yes
Forward /
Reverse
No
(*2:Yes)
No
(*2:Yes)
Yes Yes
1
“Reverse” “Forward”
“Neutral”
2
I9J011190051-03
To Next Page
Loading...
Need help?
General
