Exam 25: Detailed Diagnosis and Sensors

A camshaft position sensor provides the PCM with data needed to control _____.

For most actuators, the circuit driver in the PCM applies a ground to the circuit to turn the actuator on and removes the ground to turn the actuator off.

The ____________________ sensor measures changes in intake manifold pressure that result from changes in engine load and speed.

A vehicle towed into the shop with a "cranks but doesn't start" problem. A quick check under the hood reveals that the spark plugs are not firing and the injectors are not receiving a pulse from the PCM. The technician notices that the MIL light does not come on when the key is turned to the run position. What would you do next?

The device that protects the PCM and other electronic components from the voltage spike created in the windings of a solenoid, relay, or magnetic clutch when they are turned off is called a ______.