•  The master warning light warns the driver that any of the following malfunctions is occurring.

•  The instrument cluster turns the master warning light on based on the following CAN signals sent from the PCM.

•  If the cancel procedure for preventing unnecessary operation of the brake override system is implemented, the PCM sends a master warning light flash request signal to the instrument cluster via CAN communication. The instrument cluster flashes the master warning light based on the master warning light flash request signal from the PCM. For the cancel procedure to prevent unnecessary operation of the brake override system, refer to [DRIVE-BY-WIRE CONTROL]. (See DRIVE-BY-WIRE CONTROL [SKYACTIV-G 1.3, SKYACTIV-G 1.5].)

•  The master warning light flashes in the pattern shown in the figure.

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•  Turning on/flashing/turning off of the master warning light is controlled by the instrument cluster microcomputer based on each error signal or master warning light flash request signal sent from the PCM.

•  The master warning light is built into the instrument cluster.

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•  For vehicles with the center display, a warning message in the center display is displayed when the master warning light is turned on. For the message content and verification method, refer to [CENTER DISPLAY]. (See CENTER DISPLAY [WITH CENTER DISPLAY].)

1.  When the ignition is switched ON (engine off or on), the instrument cluster receives (1) each error signal or a master warning light flash request signal from the PCM via the CAN communication.

2.  The instrument cluster turns the transistor on (2) intermittently for flashing and continuously for illumination based on each signal.

3.  The master warning light flashes (3) when the transistor is turned on intermittently, and it turns on (3) when the transistor is turned on continuously.

•  Not applicable