950 Supermoto/950 Super Enduro Electric Starter System - KTM 2003 950 Adventure Repair Manual
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Also See for 2003 950 Adventure:
- Owner's manual (55 pages) ,
- Owner's manual (15 pages) ,
- Manual (161 pages)
Table of Contents
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950 Supermoto/950 Super Enduro electric starter system
NOTE:
– The electric starter system is equipped with a safety feature.
– The 950 Super Enduro model does not have an alarm system, dummy plug or emergency off switch.
You will only be able to start under the following conditions:
– If the ignition switch is in the ON position
– If the emergency OFF switch is in the ON position
– If the transmission is shifted to neutral or the clutch is pulled
How the electric starter system operates:
Battery voltage travels from the battery through the fuse
Supermoto only) to the coil of the auxiliary starter relay
The ground supply to the coil of the auxiliary starter relay takes place if at least one of the following conditions are met:
– Transmission is shifted to neutral (neutral switch
against the ground)
– Clutch is pulled (clutch switch
NOTE: if these conditions are met, the load contact from the coil is closed (nonrecurring "click ").
When the tip switch
is actuated, battery voltage flows through the control unit of the alarm system (if installed, otherwise
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through the dummy switch
start relay
and from there against the ground. This causes the load contact on the start relay to close and battery voltage to
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flow via the start relay contact to the starter engine
If a gear is engaged when the engine is running and the clutch is released although the side stand is folded down (driving off
with the side stand folded down), the ECU will no longer have contact to the ground via the diode
voltage will increase to over 2.5 volts and the ECU will interrupt the ignition, immediately causing the engine to stall.
The diode
is a freewheeling diode that is used to reduce peak voltages and thus protect the electronic components.
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The light system relay
is used to stop the power supply to the light system, relieving the battery.
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is closed, the current can flow through the clutch switch against the ground)
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- 950 Supermoto only), the closed load contact of the auxiliary start relay
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.
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, the ignition switch
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4
is closed, current can flow through diode
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and the emergency OFF switch
2
and the neutral switch
6
4
and the pink cable, the
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(950
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to the coil of the
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Troubleshooting
