Instrument Panel - PIAGGIO X9 500 cc Service Manual

Electrical equipment

Instrument panel

The X9 is equipped with a dual instrument panel con-
sisting of an analog section installed in the front fairing
and a digital section mounted on the handlebars.
The analog section includes:
- A dual-scale (km/h-mph) speedometer controlled by
the speed sensor by means of the digital section;
- A tachometer controlled by a signal coming from the
power unit-injection;
- A fuel gauge controlled by a resistive sensor (in the
fuel tank);
- A coolant temperature indicator controlled by a resis-
tive sensor (on the cylinder head).
These instruments are of the electrical type, and are
operated by step-by-step motors.
The digital section includes the following indicators:
- Reserve fuel warning light: amber.
- Lights-on and low beam warning light: green.
- High beam warning light: blue.
- Left-hand turn indicator warning light: green.
- Right-hand turn indicator warning light: green.
- Hazard warning lights (four turn indicators): red
- Engine disabled: red.
- Brake light bulb burnt-out warning light: red.
- Oil pressure warning light: red;
- Injection warning light: amber;
- ALARM warning light (electrohydraulic cable): red.
The reserve fuel, turn indicator and hazard warning lights are activated by the electronics of the instrument. For
example, the fuel reserve warning light comes on only when the reserve fuel indication from the fuel tank lasts a
minimum of 13.5 seconds. This prevents the warning light from blinking when the engine begins to run on reserve
fuel.
- The flashing function is built in the electronics of the instrument, which allows the hazard warning lights to work
when the ignition switch is in the "OFF" position and the control switch is disabled. The control switch is active only
when the instrument panel is on.
For greater riding safety, the "turn indicator control" function is connected to the mileometer. If the turn indicators are
inadvertently left on, they are automatically switched off after 1 kilometre.
- The "engine start disabled" warning light is activated by the sidestand switch and the emergency switch on the right
side of the handlebar.
- The indication "brake light bulb burnt-out" is activated when at least two of the five bulbs fail to operate.
- The warning light is controlled by a circuit that measures the absorption of the brake light bulb.
- The liquid crystal display shows a 5-digit total mileage count in either kilometres or miles. Naturally, this counter
can never be reset. To select the unit, with key turned to "OFF", press the "Trip" and "M" buttons at the same
time and turn the ignition switch to the "ON" position. If the two buttons are depressed for longer than three
seconds, the word "SET" is displayed and then the unit toggles between kilometres and miles.
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