216 auto transmission
How does a dual clutch transmission/transaxle achieve better fuel economy compared to a conventional automatic transmission? By using a high capacity torque converter By skipping gears By engaging neutral when the vehicle is stopped By slipping the clutches to achieve smoother operation
By engaging neutral when the vehicle is stopped
It is standard practice to ________ before removing the pump assembly. Check end play Loosen the band adjustment Remove the extension housing Remove the direct (forward) clutch assembly
Check end play
Severe service includes ________. Extensive highway driving Commercial use, such as police or taxi use Driving in temperatures below freezing A combination of city and highway driving
Commercial use, such as police or taxi use
What is the first step usually specified by the vehicle manufacturers when removing an automatic transmission (rear-wheel-drive) from the vehicle? Disconnect the negative battery cable Remove the driveshaft Remove the torque converter Hoist the vehicle
Disconnect the negative battery cable
what is meant by rubber band effect A rubber band is used to apply the clutches inside a CVT The vehicle speed slowly catches up to the engine speed A CVT uses a large rubber band Just a slang term for the variator pulleys
The vehicle speed slowly catches up to the engine speed
Why is the steering wheel position sensor used as an input to the TCM? Used to control line pressure based on steering wheel angle Used to help determine when to shift when driving straight Used as a diagnostic input to help retrieve DTCs Used to prevent an upshift if the vehicle is turning
Used to prevent an upshift if the vehicle is turning
that type of sensor measures speed
transducer
the input speed sensor is also called a turbine speed sensor vehicle speed sensor output speed sensor any of the above
tss
the output speed sensor is also called.a turbine speed sensor vehicle speed sensor output speed sensor any of the above
vss
A concentric clutch is ________. A type of wet clutch A type of dry clutch Also called a nested-type clutch Both A and C
Both A and C
How is a variable ratio achieved in a CVT? A variable torque converter A start clutch assembly Use a steel belt with two variable-width pulleys Multiple gears
Use a steel belt with two variable-width pulleys
What information is often needed when ordering parts for an automatic transmission/transaxle? VIN/Tag number The diameter of the torque converter Number of bolts used on the pan The length of the extension housing
VIN/Tag number
What is meant by "range anxiety"? A passenger who notices that the engine starts and then stops when riding in a hybrid electric vehicle When the driver notices that the ICE has stopped during a stop When a driver is driving an electric only vehicle Any of the above
When a driver is driving an electric only vehicle
the two types of auto trans filters are
surface, depth
Most manufacturers recommend fluid changes every ________. 100,000 miles (160,000 km) 10,000 miles (16,000 km) 50,000 miles (80,000 km) 25,000 miles (40,000 km)
100,000 miles (160,000 km)
The life of ATF is reduced if the temperature of the fluid is above ________. 100°F (38°C) 175°F (80°C) 32°F (0°C) None of the above
175°F (80°C)
In a Getrag DCT 450 transaxle what does gear shift fork 2 control? 2n4 pn6 3n1 rn5
3N1
Mainline pressure on a CVT can exceed ________. 900 PSI (6,200 kPa) 750 PSI (5,200 kPa) 500 PSI (3,450 kPa) 2,000 PSI (13,800 kPa)
900 PSI (6,200 kPa)
A lip seal requires what type of tool to remove? A plastic trim removing tool A chisel or slide hammer and/or a seal puller A clutch installation tool A large ball peen hammer
A chisel or slide hammer and/or a seal puller
After the automatic transmission/transaxle has been removed from the vehicle, many service technicians use ________ to clean the road grime and dirt from the unit before starting disassembly. An acid bath A scraper and a used tooth brush A power washer Hot soapy water and a steel wire brush
A power washer
What is needed to properly check the ATF level on an automatic transmission or transaxle NOT equipped with a dipstick? A high pressure gauge A special tool A scan tool to check the fluid level sensor reading A scan tool to determine ATF temperature
A scan tool to determine ATF temperature
An "end bump" is best described as ________.
A shift feel that becomes noticeably firmer as it is completed
During an oil pan debris check, what is considered to be normal? Heavy golden brown coating Plastic debris A small amount of debris with a blackish oil film Loose, black material
A small amount of debris with a blackish oil film
A high CVI reading on a scan tool usually indicates ________. Incorrect gear ratio detected Low ATF level A worn clutch pack A defective one-way clutch
A worn clutch pack
What is the difference between a push belt and a pull chain? A pull-chain is made up of links and link pins A pull chain looks similar to a silent chain A push-belt is made up of about 400 wedge-shaped segments All of the above
All of the above
When being exposed to ATF, what should a technician do? Clean any skin contacted with ATF using soap and water Wear gloves or barrier cream for skin protection Wear goggles or a face shield All of the above
All of the above
Why does the customer concern need to be verified? To make sure that there is a real concern To determine under what conditions the fault is noticed or occurs To be able to verify the repair All of the above
All of the above
Which statement(s) is/are TRUE about band adjustments? The band in many transmissions is used only in manual ranges for engine compression braking and is expected to last the life of the transmission. Some older transmissions have threaded adjusters extending through the case to allow an easy readjustment of the band. Most recent transmissions have no provision for in-vehicle adjustments. All of the above are correct.
All of the above are correct.
TCM outputs include ________. Line pressure solenoid (LPS) Stepper motor that operates the ratio control valve Secondary pressure solenoid (SPS) All or the above
All or the above
A dual clutch automatic transmission/transaxle may be called ________. Automated manual transmission (AMT) Porsche Doppelkupplung (PDK) Direct shift gearbox (DSG) Any of the above
Any of the above
An overhaul kit may be called a (an) ________ depending on the parts which are included. Master kit Compliance kit Overhaul kit Any of the above
Any of the above
What parts can usually be removed with the automatic transmission/transaxle still in the vehicle? Transmission range switch Turbine and output speed sensors Pressure switches Any of the above
Any of the above
An automatic transmission or transaxle that is under filled may experience which symptom? Slipping Mushy operation Goes into neutral Any or all of the above
Any or all of the above
Which type of hybrid vehicle cannot propel a vehicle from a stop using electric motor power alone? Mild hybrid Medium hybrid Strong hybrid Both A and B
Both A and B
A factory or factory-level scan tool can ________. Read DTCs Read TSBs Command shifts Both A and C
Both A and C
Fluid flushing typically ________. Pulsates the flow to increase the cleaning power Another name for fluid exchange Uses a chemical to dissolve varnish and other deposits Both A and C
Both A and C
Which statement is FALSE? The primary/drive pulley is attached to the input shaft The primary pulley is adjusted to control the gear ratio, and the secondary pulley is adjusted to maintain tension on the belt The movable face for each pulley is attached to a piston that has hydraulic control pressure applied to it Both sheaves are fixed so they cannot move
Both sheaves are fixed so they cannot move
The Honda CVT is connected to the ICE with a ________. Drive plate and flywheel Manually operated clutch mechanism Torque converter None of the above
Drive plate and flywheel
In a GM two-mode hybrid electric vehicle, when can the vehicle be powered by electric power alone? During heavy load conditions regardless of mode During the second mode During either the first or second mode During the first mode
During the first mode
What is the preferred tool to use when removing a pump?A chain Slide hammers Special screw-type puller Either B or C
Either B or C
Modifications to automatic transmissions used in hybrid vehicles include ________. Electric auxiliary transmission fluid pump Larger torque converter Increased number of plates in multiple-disc clutches Both A and B are correct
Electric auxiliary transmission
If the ATF is pink, this usually means that ________. The fluid has been oxidized Indicates a coolant leak at the heat exchanger in the radiator It is synthetic ATF The fluid has been aerated (filled with air)
Indicates a coolant leak at the heat exchanger in the radiator
Which is NOT an advantage of a CVT? Lower internal power loss Larger in size Efficient fuel use Lighter weight
Larger in size
What is the purpose of the clutch shift multiplex solenoid (CSMS2)? Safety valve that controls pressure dumping in the hydraulic system Controls hydraulic pressure for odd clutch or shifting Controls shifting for gearshift fork 2 and 4 Leads the pressure between even clutch and shifting, controls cooling flow for clutches, and can turn off the valve for dumping clutch pressure
Leads the pressure between even clutch and shifting, controls cooling flow for clutches, and can turn off the valve for dumping clutch pressure
In a Toyota/Lexus hybrid vehicle, how is reverse achieved? MG1 is used to power the vehicle in reverse MG2 is used to power the vehicle in reverse The ICE reverses direction and powers the drive wheels Either B or C, depending on the exact model and year
MG2 is used to power the vehicle in reverse
If no specifications are available, the approximate pressures in most transmissions will be ________. Neutral, park, and drive at idle: 160 to 200 PSI (1100-1380 kPa) Neutral, park, and drive at idle: 100 to 120 PSI (690-827 kPa) Neutral, park, and drive at idle: 120 to 160 PSI ( 827-1100kPa) Neutral, park, and drive at idle: 50 to 60 PSI (350 to 400 kPa)
Neutral, park, and drive at idle: 50 to 60 PSI (350 to 400 kPa) PreviousNext
All of the following are advantages of a dual clutch automatic transmission/transaxle EXCEPT ________. Quicker throttle response Instant gear changes Improved fuel economy No torque multiplication advantage of a torque converter
No torque multiplication advantage of a torque converter
All of the following statements concerning power-split transaxles are true EXCEPT ________. The ICE and motor-generators are all connected through a planetary gear set Power-split transaxle systems do not use a separate starter motor The power-split transaxle can operate in electric mode only One of the planetary members must be held to make the power-split transaxle work
One of the planetary members must be held to make the power-split transaxle work
Some states have rules and regulations that define what an automatic transmission rebuild or overhaul must include when performing what service or repair? Extension housing seal replacement Fluid exchange service Overhaul Filter replacement
Overhaul
Which diagnostic trouble code is associated with secondary pressure sensor (SPS)? P0776 P0300 P0172 P0440
P0776
The material safety data sheets (MSDS or SDS) for most transmission fluids indicate that there are what safety hazards when working with new fluid?Possible exposure to HIV Possible swelling of spots exposed to the fluid Possible skin reaction Possible skin cancer
Possible skin reaction
What is the purpose of the shifter interlock system? Allows for the selection of all forward gears and reverse when the vehicle is stopped. Keep the transmission from being forced into reverse when the vehicle is moving forward. Prevent the vehicle from rolling backward on a hill if in the drive position. Prevents the shifter from being moved into drive or reverse unless the brake pedal has been depressed. Previous
Prevents the shifter from being moved into drive or reverse unless the brake pedal has been depressed.
Which of these is a direct input to the TCM? Vehicle speed Primary pressure sensor Brake switch Accelerator pedal position
Primary pressure sensor
A Toyota hybrid is what type of hybrid? Series Parallel Series/Parallel None of these
Series/Parallel
A P0753 diagnostic trouble code (DTC) means that the TCM has detected a fault with ________. Input shaft 1 (odd number gear axle) speed sensor system Input shaft 1 (odd number gear axle) speed sensor system (output high range out) Shift select solenoid 1 system (open circuit) Line pressure solenoid system (open circuit)
Shift select solenoid 1 system (open circuit)
A dual dry clutch system is used in what type of vehicle? Small front-wheel drive High power front-wheel drive All-wheel drive trucks and SUVs Heavy rear-wheel drive
Small front-wheel drive
Why should the transmission control system be checked for diagnostic trouble codes (DTCs) before checking for technical service bulletins (TSBs)? Some TSBs refer to stored DTCs If there are no DTCs then there will not be any TSBs TSBs refer to fluid checking only The two are not related so it does not matter in which order they are checked
Some TSBs refer to stored DTCs
The fluid used in dual clutch automatic transmissions and transaxles is usually ________. Special synthetic fluid often green in color Dexron VI Mercon V Any of the above, depending on make, model, and year
Special synthetic fluid often green in color
The recommended fluid to use in a CVT is usually ________. Mercon V or Dexron VI Specific CVT fluid Dexron VI ATF Any of the above, depending on the specific unit
Specific CVT fluid
Why is there a magnet in the bottom of many automatic transmission pans? Used in assembly only To keep the pan in place as it is being installed To attract any steel particle and keep them from flowing through the transmission Any of the above, depending on make and model
To attract any steel particle and keep them from flowing through the transmission
What component or part cannot be replaced with the transmission/transaxle in the vehicle? Output speed sensor Shift solenoids Valve body Torque converter
Torque converter
What can be used to prevent the converter from sliding off its splines and falling as the transmission is being removed? Use a retaining bracket Pack assembly lube into the splines Tilt the transmission up at the rear Keep the torque converter attached to the flexplate
Use a retaining bracket
some transmissions are designed to apply a clutch or a band without having to release another one. this type of transmission is called nonsyncronous asynchronous synchronous a or b
a or b
a simpson gear train consists of
a simpson gear train consists of one sun gear wiht two carriers with planet gears and two ring gears
linear solenoids are used for shifting pressure control tcc all of the above
all of the above
plates lined with friction material are called
all of the above
the transmission range switch is used to all of the above limit upshifts in manual ranges operate the backup lights in reverse keep the engine from starting in any gear position except park or neutral
all of the above
tech a said that pulse width modulated have a lower electrical resistance than a simple on off type solenoid. tech b says that linear solenoids are pulse width modulated.
both
raviggneux
comines one carrio that has two sets of planet gears with two sun gears on ring gear
what does the electronic pressure control solenoid use to control mainline pressure?
current
what does the epc solenoid use to control mainline pressure? resistance torque voltage current
current
a pressure control solenoid controls fluid pressure by using a fixed frequency fixed voltrage variable current flow variable currency
fixed frequency
what type of gears do the hondamatic and the saturn transaxle automatic trans (taat) use? simpson lepelletier helical cut constant mesh ravigneaux
helical gears?
gear can be used to
increase speed
pulse width modulated solenoids usually have
low resistance
the apply device that is most commonly used as a driving member is a one way clutch band multiple disc clutch cone clutch
multiple disc clutch
Technician A says that power-split transaxles use a torque converter. Technician B says that power-split transaxles use an electric transmission fluid pump. Which technician is correct?
neither
a module is also known as a terminator bus node resistor pack
node
the lining material is often made from paper inorganic fibers asbestos
paper
like charges
repel
In a Toyota power-split hybrid, what type of transmission is used? Single planetary gear set A manual transmission transformed to function in a hybrid electric vehicle A conventional transaxle converted for hybrid use CVT
single planetery
how does an accumulator work?
slows the clutch or band.
a stall test is used to check the impeller turbine stator torque converter clutch
stator
tech a says that a slide bump shfit can be caused by a defective throttle valve tech b says that this type of shift can be caused by the accumulator piston bottoms out before the shift is complete.
tech b