DIAGNOSTIC FUNCTION

FAIL-SAFE FUNCTIONS

• When a malfunction is determined by the diagnostic function, ASTC-ECU illuminates the brake warning lamp, ABS warning lamp, ASTC indicator lamp or ASTC OFF indicator lamp. At the same time, ASTC-ECU prohibits the ABS, EBD, stability control, or TCL.
  

  note	The brake warning lamp is used as the EBD control warning lamp.

Illumination condition of warning lamp, indicator lamp and warning display in case of failure

Under EBD, ABS, brake assist, HSA, TCL, ASTC, Hill descent control (HDC), TSA, FCM, ESS in case of failure