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 the warning lights for the 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 .
Other than the above, the system may have a malfunction. 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: ABS Warning Light Blinking Pattern
  Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.