A Vehicle's Engine Computer Does Not Operate Properly

question 8

Multiple Choice

A vehicle's engine computer does not operate properly.  The vehicle's battery is checked with a DVOM and has an open circuit voltage of 8.3 volts.
Technician A says that the PCM is probably defective and should be replaced. Technician B says that, before condemning the PCM, the battery should be charged and retested.  Then the appropriate voltage drop tests of the PCM's power and ground circuits should be performed. Who is correct?

• A) Technician A only
• B) Technician B only
• C) Both technicians
• D) Neither technician