Intro Computer Automotive Test 2
Many modules require reference to rotational speed when calculating output commands. All the
following are examples of speed sensors used to create input signals EXCEPT one.
A. Cranksh
...
Intro Computer Automotive Test 2
Many modules require reference to rotational speed when calculating output commands. All the
following are examples of speed sensors used to create input signals EXCEPT one.
A. Crankshaft position (CKP) sensor used for engine speed reference
B. Vehicle Speed Sensors (VSS) used for a vehicle speed reference
C. Wheel Speed Sensors (WSS) used for individual wheel speeds
D. Camshaft Position (CMP) sensor used by the TCM for engine speed - ✔✔D. Camshaft
Position (CMP) sensor used by the TCM for engine speed
All of the following are type of speed sensors EXCEPT one
A. Variable reluctance
B. Thermistor
C. Hall-effect
D. Optical - ✔✔B. Thermistor
Technician A says the reference to engine speed can be obtained off the rotational speed of the
distributor shaft or crankshaft. Technician B says speed sensors are variable reluctance, Halleffect, or optical type sensors. Who is right? - ✔✔Both A and B are correct
Variable reluctance speed sensors produce what type of voltage signal? - ✔✔An analog AC
voltage signal that varies in frequency
Of the speed sensors listed below, which one produces a voltage signal without the use of an
outside power(voltage) source?
A. Variable reluctance
B. Hall-effect
C .Optical
D. Potentiometer - ✔✔A. Variable reluctance
Technician A says variable reluctance sensors produce a repeating analog AC voltage signal that
is counted in relation to time. Technician B says many variable reluctance speed sensors have a
stationary permanent magnet pickup coil assembly and a rotating toothed iron wheel. Who is
right? - ✔✔Both A and B are correct
All of the following are needed to generate a voltage signal through the principles of electromagnetic induction EXCEPT one.
A. A power source feeding a reference voltage to the sensor
B. A conductor for the current flow and voltage to be induced into
C. Magnetic lines of force used to induce the current flow and voltage
D. Movement between the magnetic lines of force and
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