Practice question

A school bus speedometer is inoperative on a vehicle that uses a vehicle speed sensor (VSS) and electronic cluster. The first check should be:

  1. The battery hydrometer reading
  2. The VSS signal and its wiring/connector to the cluster
  3. The stop arm switch
  4. The dome lamp relay

Answer: B — The VSS signal and its wiring/connector to the cluster

The correct answer is shown above. Try the full quiz for additional practice.

Practice more: ASE S6 Electrical Electronic Systems (School Bus) Practice Questions - ASE S6 - Electrical Electronic Systems (School Bus) Certification Exam →