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Automotive Technology

Trade & Technology

Quiz 42 :

Electronic Automatic Transmissions

Quiz 42 :

Electronic Automatic Transmissions

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In a vehicle with a dual mode transmission, during normal driving under light loads, the vehicle is driven solely by the engine.
Free
True False
Answer:

Answer:

True

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To test a solenoid with an ohmmeter, the transmission pan must be removed.
Free
True False
Answer:

Answer:

False

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The _____ is a voltage generating sensor that uses a Hall effect or PM generator to produce a signal.
Free
Multiple Choice
Answer:

Answer:

D

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On the Toyota/Lexus automatic transmissions with manual control, drivers must exercise caution when manually shifting to prevent engine or transmission failure.
True False
Answer:
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The EPC (electronic pressure control) solenoid is duty-cycle-controlled by the TCM.
True False
Answer:
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The Toyota/Lexus hybrid is driven by MG1 when running solely on electric power.
True False
Answer:
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Which of the following is NOT an advantage of an electronically controlled transmission?
Multiple Choice
Answer:
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Shift, pressure control, and T/C clutch solenoids are usually located on the ______.
Multiple Choice
Answer:
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Which of the following statements concerning the operating characteristics of an EAT during limp-in mode is NOT true?
Multiple Choice
Answer:
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A _____ contains the actual shift points to be used by the computer according to the input data it receives from the sensors.
Multiple Choice
Answer:
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If the crankshaft speed sensor reads 1,650 rpm and the TSS (turbine speed sensor) also reads 1,650 RPM, the torque converter is ______.
Multiple Choice
Answer:
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The EPC solenoid provides changes in pressure in response to engine load.
True False
Answer:
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Two technicians are discussing EPC solenoids. Technician A says the EPC solenoid is a PWW (pulse width modulated) solenoid and receives a duty cycle signal from the TCM. Technician B says the EPC solenoid is an on/off solenoid that is turned on when the TCM sees the 3-4 upshift. Who is correct?
Multiple Choice
Answer:
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TV-tuner cleaning spray is a good solvent to use for cleaning electrical terminals and connectors.
True False
Answer:
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Which of the following is NOT a TCM input signal?
Multiple Choice
Answer:
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Transmission solenoids shift gears by mechanically coupling gears to the output shaft.
True False
Answer:
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When transmission fluid temperature is too high, the TCM will cause the transmission to ______.
Multiple Choice
Answer:
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PCM input data such as MAP, TP, and engine speed cannot be transferred to the TCM through the vehicle CAN bus.
True False
Answer:
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A DTC for an input signal that is too low or too high can be caused by an internal transmission mechanical or hydraulic failure.
True False
Answer:
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The TFT sensor is a _____ and its output signal varies with ATF temperature.
Multiple Choice
Answer:
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