Abs Warning Light, ASC Warning/Operation Light And Brake Warning Light Check

Check that ABS and brake warning light, ASC warning/operation light illuminate as follows.

NOTE: The brake warning light is used as a warning light for parking brake, brake fluid level, and EBD control.

When the ignition switch is turned to the ON position, ABS and brake warning light, ASC warning/operation light illuminate.
The ABS and brake warning light, ASC warning/operation light illuminate for three seconds^*1 and then turn OFF^*2 .
Otherwise, check the diagnostic trouble code.
NOTE:
- ^*1 : The ABS warning light may stay ON until the vehicle speed reaches 10 km/h. As far as ABS-ECU stores any diagnostic trouble code related to the wheel speed sensor malfunction or the motor malfunction as past trouble, ABS-ECU continues illuminating the ABS warning light until it verifies that the malfunction for that code is resolved (startup check).
- ^*2 : The brake warning light does not turn OFF when the parking brake is applied or the brake fluid level is lowered.
  
  Fig 1: Identifying ABS Warning Light, ASC Warning/Operation Light And Brake Warning Light
  Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.