Textbook Problem

All gauges operate but read lower than normal: Technician A says that the connection to the instrument cluster may be corroded. Technician B says that the cluster s IVR may be open. Who is correct?

1. Technician A

Technician B

Both A and B

Neither A nor B

To determine

Whether Technician A or Technician B is or are correct.

Explanation of Solution

Gauges are normally fed current or voltage input from the sensor installed in a specific system. The gauge needle swings in forward or reverse direction depending upon the magnitude of the input received at the gauge.

The possible reasons due to which all the gauges read lo...