TECHNICAL DESCRIPTION (COMMENT)
This operation is performed for the following reasons and is not a malfunction.
- ASC-ECU calculates the estimated temperature of the brake pad. In general, as the brake pad temperature increases, the coefficient of friction for the brake pad becomes smaller, resulting in the reduced braking force. When the estimated temperature of the brake pad reaches the specified value or more, ASC-ECU flashes the ASC OFF display at a rate of 2 Hz to warn the driver that the brake controllability by TCL is decreased by the reduced braking force. Consequently, ASC-ECU prohibits the TCL control (brake control only) until it determines that the estimated temperature of the brake pad is normal.
| note | Besides severe driving, brake pad condition and brake drag are also suspected as a cause of overheat. After the ASC OFF display illumination turns off, check the brake pad condition and brake drag. |
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