Active Stability Control System (ASC)

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.





1. When the ignition switch is turned to the ON position, ABS and brake warning light, ASC warning/operation light illuminate.
2. The ABS and brake warning light, ASC warning/operation light illuminate for three seconds*1 and then turn OFF*2.
3. 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 (start-up check).
^ *2: The brake warning light does not turn OFF when the parking brake is applied or the brake fluid level is lowered.