ABOUT THE DESCRIPTION OF THE IGNITION SWITCH

In this manual, the engine switch of vehicles with KOS and the ignition switch of vehicle without KOS are described as an ignition switch. (However, not "ignition switch", but "engine switch" is described in the GROUP 42B-KOS)

Power supply mode by the engine switch operation

When the engine switch is pressed, the power supply mode changes according to the shift position and brake pedal operation state.

Shift position	Brake pedal operation	Power supply mode at engine switch operation
P position	Released	Every time the switch is pressed, the power supply mode changes from OFF to ACC to ON to OFF.
	Depressed	While the power supply mode is OFF, the engine is started when the switch is pressed.
		While the power supply mode is ACC, the engine is started when the switch is pressed.
		While the power supply mode is ON, the engine is started when the switch is pressed.
	Depressed or released	When the switch is pressed after the engine is started, the power supply mode is turned OFF (the engine stops).
Other than P position	Depressed or released	When the switch is pressed while the power supply mode is ACC, the power supply mode is turned ON.
		When the switch is pressed while the power supply mode is ON, the power supply mode is turned to ACC.
		When the switch is pressed after the engine is started, the power supply mode is turned to ACC.

ENGINE SWITCH INDICATOR

Check that the engine switch indicator is switched as follows in each power supply mode and when an error is detected.

INDICATOR	Power supply mode and at error detection	INDICATOR
	OFF	Extinguished
	ACC	Illuminated in orange
	ON	Illuminated in green
	ON (after engine start)	Extinguished at 3 seconds after the engine is started
	System error	Flashes in orange
	Special operation mode ^*	Flashes in green (when ACC and ON only)

note

^*: The special operation mode indicates that OSS-ECU is brand new.