Practice question

When performing a forward RADAR alignment routine with a scan tool, why is stable battery voltage important?

  1. Voltage has no effect on the RADAR alignment
  2. Higher voltage makes the RADAR aim more accurate
  3. Low or fluctuating voltage can interrupt module communication and abort the RADAR alignment
  4. The scan tool is powered by the fuel pump

Answer: C — Low or fluctuating voltage can interrupt module communication and abort the RADAR alignment

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