Circuit Description
Operation (ON/OFF) of ABS warning light is controlled by ESP® control module through light driver module in combination meter.
If antilock brake system is in good condition, ESP® control module turns ON ABS warning light when engine switch is pressed to change ignition mode to "ON", keeps it "ON" for 2 seconds and then turns it OFF. If any abnormality in the system is detected, ABS warning light is turned ON continuously by ESP® control module. Also, it is turned ON continuously by light driver module when the connector of ESP® control module is disconnected.