Circuit Description

Operation (ON/OFF) of ABS warning lamp is controlled by ABS (ESP®) control module through lamp driver module in combination meter.

If the Antilock brake system is in good condition, ABS (ESP®) control module turns ABS warning lamp ON at the ignition switch ON, keeps it ON for 2 seconds and then turns it OFF. If an abnormality in the system is detected, ABS warning lamp is turned ON continuously by ABS (ESP®) control module. Also, it is turned ON continuously by lamp driver module when the connector of ABS (ESP®) control module is disconnected.