Practice question

What is Anti-lock Braking System (ABS) malfunction lamp behavior on a commercial truck ignition startup?

  1. The lamp must stay on permanently while driving
  2. The yellow ABS lamp should illuminate upon ignition turn-on and extinguish after a few seconds if the system passes self-check
  3. The lamp should never light up under any circumstances
  4. The lamp flashes continuously in green

Answer: B — The yellow ABS lamp should illuminate upon ignition turn-on and extinguish after a few seconds if the system passes self-check

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