System Description

SYSTEM DIAGRAM

DESCRIPTION

Engine-start Effect Function

When recognizing an engine start, the combination meter controls the following items for producing the effect.

Speedometer
Tachometer
Information display
Meter illumination

Meter and Illumination Operations During Engine-start Effect

The combination meter controls the following items during the engine-start effect.

Control item		Operation
Speedometer		Sweeps the pointer.
Tachometer		Sweeps the pointer.
Illumination ring		Increases the brightness to the effect level in stages.
Pointers		Turns on the illumination at the effect level.
Information display		Display the animation.

note	The pointers are stopped and illumination is turned off while cranking the engine.

Engine Start Judgement

The combination meter judges “engine-start” and activates the engine-start effect only once when the following operational conditions are all satisfied.

Operational condition
Ignition switch	ON position
Vehicle speed	Less than 1 km/h (0.6 MPH)
Engine state	After cranking the engine
Setting (Integral switch)	The setting of “Display Effect” is “On”

note	The engine-start effect exits when any of the above operational conditions is cancelled during the engine-start effect.

Signal Path

The combination meter judges “engine-start”, according to the following signals and activates the engine-start effect function.

Signal name	Signal source
Ignition signal	—
Engine status signal	ECM Combination meter
Vehicle speed display signal	ECM Combination meter
Starter relay status signal	IPDM E/R Combination meter

note	The engine-start effect function ends if any one of the above conditions is lost during the activation of this function.