Why Are Transistors Used as Output Drivers on the PCM

question 9

Multiple Choice

Why are transistors used as output drivers on the PCM?

• A) It improves data bus speeds.
• B) To allow low voltage logic commands to switch higher voltage drivers such as those for fuel injectors.
• C) To switch the low voltage engine bus to the higher voltage chassis bus.
• D) For heat dissipation from the PCM.

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