After checking a truck for other problems after completing an unrelated repair, you notice that on a truck with ABS that the ABS warning lamp does not illuminate at any time, even when the ignition is first switched on. What should you do?
A) Nothing, the ABS system only illuminates the warning lamp if there is a problem with the ABS system.
B) Use a test light to pierce the applicable wire at the ABS ECU to check for 12V.
C) Ignore it; if the truck operator wanted it fixed he would have mentioned it.
D) Notify your service manager or service writer so that they can make the truck operator aware of the condition.

Question

Quizplus · Accepted Answer

The ABS warning lamp should illuminate briefly when the ignition is first switched on as a bulb check. If it does not, it indicates a potential issue with the warning system itself, and the truck operator should be informed so they can decide on further action.

After Checking a Truck for Other Problems After Completing an Unrelated