OFF = Once the vehicle is moving above 10 km/h and the lamp(s) goes (go) out, the electronic system is fully checked. ON until moving = System waiting for vehicle to move above 10 km/h in order to check that the sensors are working. OFF for 1 second = System self-checked and preparing to check sensors. ON for 2.5 seconds = Bulb OK and system selfchecking. On power up of the system, the warning lamp(s) must illuminate in the following sequence in order to show a fault-free system: GREEN warning lamp mounted on the headboard of the trailer and is operated from the ISO 1185 (24N) connector when the ABS is powered only from the stop lamp power supply i.e. RED warning lamp located on the driver's console of the towing vehicle is operated from the ISO 7638 (or ISO 3731 - 24S ) power cable only when the ABS is powered by the ignition switch. The warning lamp(s) function depends on which power supply is used:

Please ensure all necessary Health and Safety precautions are implemented before commencing any repair work.

If you are unsure how to read ABS Blink Codes from the ECU, start by familiarising yourself with diagram below, and then, where appropriate, follow the step by step procedure in the table.

If you already know how to read ABS Blink Codes from the ECU in question, please go straight to STEP 4: Fault code list.

STEP 3: Blink code identification and system response ABS Troubleshooting for Trucks, Trailers, and Buses

Bendix abs flashing