Question 1

Toyota, Ford, and Nissan hybrid systems rely on ____________________ to determine the overall gear ratio of their CVTs.

Accepted Answer

The answer of Toyota, Ford, and Nissan hybrid systems rely...

Question 2

What is the function of the start clutch in the Honda CVT transaxle?

Accepted Answer

Start clutch is designed to slip just en...

Question 3

The dual mode hybrid transmission does not have _____.

Accepted Answer

A)  two electric motors
B)  three sets of planetary gears
C)  multiple disc clutches
D)  a metal drive belt and variable pulleysE) A) and B)
F) A) and C)

Question 4

Two technicians are testing a transmission that has a DTC for a shift solenoid. The coil resistance is within specifications and the solenoid clicks when the coil is energized with jumper wires. Technician A says the solenoid could be leaking internally or externally. Technician B says the valve within the solenoid could be sticking or binding. Who is correct?

Accepted Answer

A)  A only
B)  B only
C)  both A and B
D)  neither A nor BE) A) and C)
F) None of the above

Question 5

PCM input data such as MAP, TP, and engine speed cannot be transferred to the TCM through the vehicle CAN bus.

Accepted Answer

A) True 
 B)False

Question 6

Air pressure can be used to test _____.

Accepted Answer

A)  turbine speed sensors
B)  transmission gear range switches
C)  vehicle speed sensors
D)  pressure switchesE) B) and C)
F) C) and D)

Question 7

When transmission fluid temperature is too high, the TCM will cause the transmission to ______.

Accepted Answer

A)  shift sooner than normal
B)  shift later than normal
C)  not upshift into high gear
D)  stay locked in high gearE) B) and D)
F) A) and B)

Question 8

If the crankshaft speed sensor reads 1,650 rpm and the TSS (turbine speed sensor) also reads 1,650 RPM, the torque converter is ______.

Accepted Answer

A)  overheating
B)  in a stall condition
C)  slipping
D)  coupledE) B) and C)
F) All of the above

Question 9

The first step in diagnosing an EAT transmission problem is ______.

Accepted Answer

A)  connect a scan tool and read DTCs
B)  connect a pressure gauge to the transmission and record line pressure
C)  manually activate shift solenoids with a jumper wire or transmission tester
D)  check the adjustment of the TV (throttle valve) cableE) A) and C)
F) A) and B) A

Question 10

A computer-controlled transmission that starts out in the wrong gear could be caused by ______.

Accepted Answer

A)  faulty solenoids
B)  stuck valves
C)  bad electrical grounds
D)  All the answers are correct.E) A) and D)
F) A) and C)

Question 11

Computer cleaning spray is a good solvent to use for cleaning electrical terminals and connectors.

Accepted Answer

A) True 
 B)False

Question 12

A magnetic pulse generator (PM generator) type sensor is commonly used to measure _____ on an EAT transmission.

Accepted Answer

A)  speed (rpm) 
B)  temperature
C)  pressure
D)  fluid levelsE) A) and C)
F) A) and D)

Question 13

Name two TCM outputs.

Accepted Answer

shift solenoids
pressure cont...

Question 14

The TFT sensor is a _____ and its output signal varies with ATF temperature.

Accepted Answer

A)  thermistor
B)  thermal relay
C)  Hall-effect switch
D)  bi-metal relayE) C) and D)
F) B) and D)

Question 15

Which of the following tools is NOT used to check a TP sensor?

Accepted Answer

A)  voltmeter
B)  ammeter
C)  ohmmeter
D)  lab scopeE) A) and C)
F) C) and D)

Question 16

The ____________________ sensor on an EAT replaces the governor used on a hydraulic-controlled transmission.

Accepted Answer

VSS,vehicl...

Question 17

What type of sensor listed here is a potentiometer?

Accepted Answer

A)  pressure switch
B)  TFT sensor (transmission fluid temperature) 
C)  TSS (turbine speed sensor) 
D)  TP (throttle position) E) None of the above
F) B) and C)

Question 18

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?

Accepted Answer

A)  A only
B)  B only
C)  both A and B
D)  neither A nor BE) None of the above
F) B) and D) A

Question 19

Which of the following is NOT an advantage of an electronically controlled transmission?

Accepted Answer

A)  higher torque capacity
B)  improved fuel economy
C)  lower exhaust emission levels
D)  better shift timingE) B) and C)
F) A) and D) A

Question 20

Hydraulically controlled transmissions rely on signals from the ____________________ and ____________________ to force a shift in gears.

Accepted Answer

governor, throttle v...

Exam 42: Electronic Automatic Transmissions

Toyota, Ford, and Nissan hybrid systems rely on ____________________ to determine the overall gear ratio of their CVTs.

Correct Answer
verified

What is the function of the start clutch in the Honda CVT transaxle?

Correct Answer
verified
Start clutch is designed to slip just en...
View Answer

The dual mode hybrid transmission does not have _____.

Correct Answer
verified

Correct Answer
verified

PCM input data such as MAP, TP, and engine speed cannot be transferred to the TCM through the vehicle CAN bus.

Correct Answer
verified

Air pressure can be used to test _____.

Correct Answer
verified

When transmission fluid temperature is too high, the TCM will cause the transmission to ______.

Correct Answer
verified

If the crankshaft speed sensor reads 1,650 rpm and the TSS (turbine speed sensor) also reads 1,650 RPM, the torque converter is ______.

Correct Answer
verified

The first step in diagnosing an EAT transmission problem is ______.

Correct Answer
verified
A

A computer-controlled transmission that starts out in the wrong gear could be caused by ______.

Correct Answer
verified

Computer cleaning spray is a good solvent to use for cleaning electrical terminals and connectors.

Correct Answer
verified

A magnetic pulse generator (PM generator) type sensor is commonly used to measure _____ on an EAT transmission.

Correct Answer
verified

Name two TCM outputs.

Correct Answer
verified
shift solenoids
pressure cont...
View Answer

The TFT sensor is a _____ and its output signal varies with ATF temperature.

Correct Answer
verified

Which of the following tools is NOT used to check a TP sensor?

Correct Answer
verified

The ____________________ sensor on an EAT replaces the governor used on a hydraulic-controlled transmission.

Correct Answer
verified
VSS,vehicl...
View Answer

What type of sensor listed here is a potentiometer?

Correct Answer
verified

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?

Correct Answer
verified
A

Which of the following is NOT an advantage of an electronically controlled transmission?

Correct Answer
verified
A

Hydraulically controlled transmissions rely on signals from the and to force a shift in gears.

Correct Answer
verified
governor, throttle v...
View Answer

Exam 42: Electronic Automatic Transmissions

Toyota, Ford, and Nissan hybrid systems rely on ____________________ to determine the overall gear ratio of their CVTs.

Correct AnswerverifiedShow Answer

What is the function of the start clutch in the Honda CVT transaxle?

Correct AnswerverifiedStart clutch is designed to slip just en...View AnswerShow Answer

The dual mode hybrid transmission does not have _____.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

PCM input data such as MAP, TP, and engine speed cannot be transferred to the TCM through the vehicle CAN bus.

Correct AnswerverifiedShow Answer

Air pressure can be used to test _____.

Correct AnswerverifiedShow Answer

When transmission fluid temperature is too high, the TCM will cause the transmission to ______.

Correct AnswerverifiedShow Answer

If the crankshaft speed sensor reads 1,650 rpm and the TSS (turbine speed sensor) also reads 1,650 RPM, the torque converter is ______.

Correct AnswerverifiedShow Answer

The first step in diagnosing an EAT transmission problem is ______.

Correct AnswerverifiedA

A computer-controlled transmission that starts out in the wrong gear could be caused by ______.

Correct AnswerverifiedShow Answer

Computer cleaning spray is a good solvent to use for cleaning electrical terminals and connectors.

Correct AnswerverifiedShow Answer

A magnetic pulse generator (PM generator) type sensor is commonly used to measure _____ on an EAT transmission.

Correct AnswerverifiedShow Answer

Name two TCM outputs.

Correct Answerverifiedshift solenoids pressure cont...View AnswerShow Answer

The TFT sensor is a _____ and its output signal varies with ATF temperature.

Correct AnswerverifiedShow Answer

Which of the following tools is NOT used to check a TP sensor?

Correct AnswerverifiedShow Answer

The ____________________ sensor on an EAT replaces the governor used on a hydraulic-controlled transmission.

Correct AnswerverifiedVSS,vehicl...View AnswerShow Answer

What type of sensor listed here is a potentiometer?

Correct AnswerverifiedShow Answer

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?

Correct AnswerverifiedA

Which of the following is NOT an advantage of an electronically controlled transmission?

Correct AnswerverifiedA

Hydraulically controlled transmissions rely on signals from the ____________________ and ____________________ to force a shift in gears.

Correct Answerverifiedgovernor, throttle v...View AnswerShow Answer

Correct Answer
verified

Correct Answer
verified
Start clutch is designed to slip just en...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
A

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
shift solenoids
pressure cont...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
VSS,vehicl...
View Answer

Correct Answer
verified

Correct Answer
verified
A

Correct Answer
verified
A

Hydraulically controlled transmissions rely on signals from the and to force a shift in gears.

Correct Answer
verified
governor, throttle v...
View Answer