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KTM 950 Adventure Typical ECU and Ignition System Wiring Diagram
The KTM 950 Adventure ignition system usually consists of ECU (control unit), battery, ignition lock, emergency off switch, pulse generator, ignition coils, fuel pump relay, throttle potentiometer (TPS), and octane selector. Battery voltage from the battery (1) flows to the ECU (control unit) through the switch on ignition lock (2) and the switched on emergency OFF switch (3). The pulse generator (5) reports the crankshaft position to the ECU (4). The ECU uses this signal to calculate the ignition point for each cylinder. Battery voltage is supplied to both ignition coils (6) via the emergency OFF switch, the ground is switched by the ECU. (click image to enlarged).
2007 KTM 950 Adventure Electric Starter System Circuit and Schematics Diagram
The following diagram shows how the 2007 KTM 950 Adventure Electric Starter System and Wiring Diagram works. Battery voltage travels from the battery through the ignition lock, fuse and the emergency OFF switch 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 6 is closed, current can flow through diode and the neutral switch against the ground) and Clutch is pulled (clutch switch is closed, the current can flow through the clutch switch against the ground).
When the tip switch is actuated, battery voltage flows through the closed load contact of the auxiliary start relay to the coil of the start relay and from there against the ground. This causes the load contact on the start relay to close and battery voltage to flow via the start relay contact to the starter engine. The diode is one of the electric starter system’s important safety features which prevents the starter engine from being actuated although a gear is engaged and the clutch is not pulled. The diode does not allow current to flow when the side stand is folded down, in other words, the auxiliary starter relay will not have a ground connection via the side stand switch.
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