ABS Lamp Driver: Description and Operation

WARNING LAMP MODULE




1. ABS Warning Lamp module
The active ABS warning lamp module indicates the self-test and failure status of the ABS.
The ABS warning lamp shall be on:
A. During the initialization phase after IGN ON. (continuously 3 seconds).
B. In the event of inhibition of ABS functions by failure.
C. During diagnostic mode.
D. When the ECU Connector is separated from ECU.
2. PARKING/EBD warning lamp module
The active EBD warning lamp module indicates the self-test and failure status of the EBD.
However, in case the Parking Brake Switch is turned on, the EBD warning lamp is always turned on regardless of EBD functions.
The EBD warning lamp shall be on:
A. During the initialization phase after IGN ON. (continuously 3 seconds).
B. When the Parking Brake Switch is ON or brake fluid level is low.
C. When the EBD function is out of order.
D. During diagnostic mode.
E. When the ECU Connector is separated from ECU.