Allison World Transmission Flashcards
(157 cards)
1
Q
What year trucks have the T-handle selector for the transmission?
A
95-96, 06-16
2
Q
For the 95-96 trucks, what options does the T-handle shift selector have?
A
R, N, D, 4, 3, 2, 1
Mode button
Digital display
Display mode/diagnostic mode button
3
Q
For the 00-03 trucks, what options does the push button shift selector have?
A
R, N, D, gear upshift/downshift
Mode button
Digital display
4
Q
For the 06-09, what options does the T-handle electro-mechanical control have?
A
R, N, D, 4, 3, 2, 1
Mode button
Digital display
Display mode/diagnostics button
5
Q
For the 2016, what options does the T-handle selector have?
A
R, N, D, L, M(manual)
Mode button
Digital display
Display mode/diagnostic button
6
Q
When a range selection is made, the digital display shows the chosen operation. What determines the shift is acceptable causing the transmission to shift into initial range as indicated on display?
A
ECU
7
Q
While in this mode it is not necessary to select the right moment to upshift or downshift during changing road and traffic conditions, the transmission will do it for you?
A
Drive (D)
8
Q
You should use neutral during what 3 times?
A
Starting engine
Checking vehicle accessories
Extended periods of engine idling
9
Q
Which range is automatically selected by the ECU during start up?
A
Neutral
10
Q
Although when in drive it is not necessary to shift, having what of the shift selector position ranges available to select will make vehicle control easier?
A
Knowledge
11
Q
While manually shifting the transmission, what ranges are recommended when descending long grades (with or without jake brake) to reduce wear on service brakes?
A
Lower ranges
12
Q
For the shift selector override button, it has 3 locked positions to prevent accidentally selecting which ranges?
A
Reverse
Neutral
Drive
13
Q
For the hold override button, when in drive (D), the lower forward ranges (manually shift) are available without pressing the hold override button, true or false?
A
True
14
Q
When drive is selected, the transmission will initially attain what gear range?
A
1st gear
15
Q
Unless road conditions dictate using a specific gear, the full automatic position will provide sufficient what?
A
Vehicle performance
16
Q
According to the 95-03 logbooks, under full acceleration (100% pedal travel) the transmission shift points occur at approximately what rpm?
A
2100 rpm
17
Q
According to the 06/09 logbook, if you just downshift or just use service brakes when going downhill, what 3 things could happen?
A
Lose control
Cause injury
Properly damage
18
Q
According to the 06/09 logbooks, to help avoid loss of control you should use a combination of what 3 things to slow apparatus down?
A
Downshifting
Braking
Jake brake
19
Q
According to the 06/09 logbooks, the transmission has a feature to prevent automatic upshifting in lower ranges, however during downhill operation, if engine governed speed exceeds lower range, the transmission may?
A
Upshift to the next higher range
20
Q
According to the 06/09 logbooks, to prevent exceeding engine governed speed in the lower range selected you should apply?
A
Service brakes or jake brake
21
Q
The digital display will show which available range?
A
Highest range available
22
Q
The monitor on the shifter will display which range?
A
Current operating range
23
Q
On occasion, what 3 things will make it desirable to restrict automatic shifting to a lower range?
A
Road conditions
Load
Traffic conditions
24
Q
What3 things do lower ranges provide for going down grades, steep grades, and/or adverse road conditions?
A
Greater engine braking
Maximum torque
Maximum traction
25
Who determines when changing road conditions will dictate whether or not to use a specific gear range?
The operator
26
Which 3 gear ranges are considered to be in the lower range?
Gears 2-4
27
Even though a lower range was selected, the transmission may not what until vehicle speed is reduced?
Downshift
28
What 4 times should 1st gear be used?
Pulling through mud
Whenever maximum traction desired
Maneuvering in tight spaces
Driving up or down steep grades
29
What 2 things does 1st gear provide the vehicle with?
Maximum driving power
| Maximum engine braking effect
30
According to the 00-03 logbooks, you must push what button selector until first range appears in the display window?
Down arrow
31
When making a shift from reverse to drive or vice versa you must completely stop the vehicle and always select what range?
Neutral
32
According to the 95-03 logbooks, at 2100 rpm at what speed will each 5 gears shift at?
```
1st - 15 mph
2nd - 23 mph
3rd - 33 mph
4th - 53 mph
5th - 68 mph
```
33
According to the 06/09 logbooks, at 2100 rpm at what speed will each gear shift at?
```
1st - 14 mph
2nd - 26 mph
3rd - 35 mph
4th - 50 mph
5th - 68 mph
```
34
According to the 95-09 logbooks, what must the mode button be pushed for?
Transmission to shift from 4th to 5th gear
35
According to the 2016 logbook, what does the mode button do?
Selects a secondary mode such as secondary shift or PTO enable
Primary mode always default
36
According to the 2016 logbook, the mode button also has functions in what 3 modes?
Maintenance
Prognostic
Diagnostic
37
According to the 95-09 logbooks, the electronic foot pedal assembly was designed to communicate what to the engines electronic control module?
“Percentage” of foot travel
38
According to the 06/09 logbooks, during normal operation, when drive is selected, the digital display shows which range attainable for the shift schedule in use?
Highest
39
According to the 06/09 logbooks, when all segments of the digital display are illuminate for more than how many seconds, the ECU did not complete initialization?
12 seconds
40
According to the 06/09 logbooks, what will the display show when a selector related fault code has been logged?
“Cat eye” symbol
41
According to the 06/09 logbooks, the transmission will not shift into range if what code is active?
CHECK TRANS
42
According to the 06/09 logbook, when the display shows either R or D has been requested and the display is flashing, the request range has not been achieved due to what?
Inhibit function
43
According to the 06/09 logbooks, some inhibit functions are vehicle related and will not result in what?
Diagnostic codes
44
According to the 06/09 logbook, once drive is attained the transmission will shift into the lowest range programmed for the drive position which is usually what gear?
First
45
According to the 06/09 logbooks, what does the display mode/diagnostic button allow access to?
Optional fluid level check
| Diagnostic code information
46
According to the 06/09 logbooks, pressing the display mode/diagnostic button once obtains what information?
Transmission fluid level
47
According to the 06/09 logbooks, pressing the display mode/diagnostic button a second time obtains what information?
Diagnostic codes
48
According to all logbooks, you can access transmission diagnostic codes and transmission fluid level checks where?
At the transmission T-handle or pushbutton selector
49
If you must leave the apparatus with engine running, do not leave until you have done what 3 things?
Transmission in neutral
Apply maxi brakes make sure engaged
Chock wheels
50
According to the 06/09 logbooks, you should always apply service brakes when selecting what ranges to prevent unexpected vehicle movement and because a service brake inhibit may be present?
Reverse and drive
51
According to the 06/09 logbooks, when the R or D is flashing it indicates that the shift to R (reverse) or D (drive) is what?
Inhibited
52
According to the 06/09 logbooks if R (reverse) or D (drive) is not obtained you should check for active what?
Diagnostic codes
53
According to the 06/09 logbooks, you should not idle in reverse for more than how many minutes because it may cause transmission damage, always select neutral?
5 minutes
54
According to the 06/09 logbooks, if you let the apparatus coast in this range there is no engine braking, you could lose control, and cause sever damage to the transmission?
Neutral
55
According to the 06/09 logbooks, apparatus service brakes and maxi brakes must be applied whenever selecting this range to prevent unexpected vehicle movement?
Neutral
56
What are numerical indications relating to a malfunction in transmission operation?
Diagnostic codes
57
What does each diagnostic code consist of?
2 digit main code
| 2 digit sub code
58
Where are the diagnostic codes logged with the most sever or otherwise most recent code listed first?
List in ECU memory
59
What is maximum codes that may be listed in memory at one time and what are they numbered through?
5 codes
| D1-D5
60
As codes are added to the list, are the oldest non active codes dropped from the list?
Yes
61
If all codes are active, which code that is not included in the severity list dropped from the list?
Lowest priority
62
Where can codes and code information be accessed through?
Lever shifter or button selector
| Diagnostic data reader tool (shops)
63
Does the world transmission ECU separately store the active and historical (nonactive) codes?
Yes
64
What is an active code?
Any code current in the ECU decision making process
65
What is a historical code (nonactive)?
Codes retained in ECU that will necessarily not affect ECU decision making process
66
What are historical codes (nonactive) useful in determining problems?
Isolated
Intermittent
Results from previous malfunction
67
According to the 95-96 logbooks, to enter the transmission diagnostic mode, you should press the display mode button on the lever shifter how many times?
Twice
68
According to the 00-03 logbooks, to enter the transmission diagnostic mode, you should push the up and down arrows on the push button selector how many times?
Twice
69
According to the 06-09 logbooks, to enter the transmission diagnostic mode, you should press the display mode button on the lever shifter selector how many times?
Twice
70
After pressing the appropriate button to start the transmission diagnostic code sequence, the first code starts with what?
```
D1
Main code (2 digits)
Sub code (2 digits)
D1
Repeats sequence
```
71
In order to display codes for positions d2-d5 in the same manner what button do you press momentarily?
Mode button
72
At what point may a code be deleted from memory if it has not recurred?
After a fixed number of ignition cycles
73
If there is a problem, displayed transmission codes can be called into where for interpretation and diagnosis?
The shops
74
According to the 06/09 logbooks, the shifter selector diagnosis mode will end automatically after how many minutes without operator input?
2 minutes
75
Before checking codes you should bring the vehicle to a stop a safe location and apply what?
Parking brakes
76
You should do what with all codes displayed before they are cleared, essential for troubleshooting?
Record
77
According to the 95-96 logbooks, to clear active indicators and resume vehicle operation you should press and hold the MODE button for approximately how many seconds?
10 seconds
78
According to the 00-03 logbooks, to clear active indicators and resume vehicle operation you should press and hold the MODE button for approximately how many seconds?
3 seconds
79
According to the 06-09 logbooks, to clear active indicators and resume vehicle operation you should press and hold the MODE button until the mode indicator LED flashes for approximately how many seconds?
3 seconds
80
According to the 95-96 logbooks, press the display mode button how many times for transmission oil level and diagnostic display mode?
Once for fluid level
| Twice for diagnostics
81
According to the 00-03 logbooks, simultaneously press the up and down arrow buttons how many times for transmission oil level and diagnostic display mode?
Once for fluid level
| Twice for diagnostics
82
According to the 06-09 logbooks, press the display mode button how many times for transmission oil level and diagnostic display mode?
Once for diagnostics
| Twice for fluid level
83
What does the transmission fluid do?
Cools
Lubricates
Transmits hydraulic power
84
When transmission fluid is low, what 2 components do not receive adequate supply of fluid?
The converter and clutches
85
What 3 things happen if the transmission fluid level is too high?
Fluid can aerate
Causes erratic shifts
Overheating
86
According the 06/09 logbooks, the transmission ECU is designed to automatically take action to protect what 3 things?
Operator
Vehicle
Transmission
87
According to the 06/09 logbooks, when the ECU detects a problem, the ECU will do what 3 things?
Restrict shifting
Turns on CHECK TRANS light
Registers a diagnostic code
88
According to the 06/09 logbook, for some problems, what may register without the ECU activating the CHECK TRANS light?
Diagnostic codes
89
According to the 06/09 logbook, each time the engine is start what will illuminate and turn off after a few seconds?
CHECK TRANS light
90
According to the 06/09 logbooks, if the CHECK TRANS light does not illuminate during ignition or the light remains on after ignition what should happen?
System should be checked immediately
91
According to the 06/09 logbooks, what will accompany the CHECK TRANS light?
Flashing display from shift selector
92
According to the 06/09 logbooks, when the CHECK TRANS light illuminates after start up, the shift selector will display the actual range attained and the transmission will not?
Respond to shift selector request
93
According to the 06/09 logbooks, indications from the shifter tell the operator that the transmission is not performing as designed, before turning ignition off, the transmission may be operated for a short time in the selected range in order to?
“Limp home” for assistance
94
According to the 06/09 logbooks, when the CHECK TRANS light comes on and ignition is off, transmission will remain in what range until condition is corrected?
Neutral
95
For correct fluid level check of the transmission, “OL” will be displayed for oil level followed by what within the display to indicate fluid within proper zone?
OK
96
For the correct fluid level, the sensor display and transmission dipstick may not agree exactly because what compensates for fluid temperature?
Oil level sensor
97
For lowfluid level check of the transmission, “OL” will be displayed for oil level followed by what within the display to indicate fluid within proper zone?
LO
98
For low fluid level check of the transmission, when the display says “LO” a number will follow indicating what?
Additional quarts of fluid that will bring the fluid level within the middle of the “OK” zone
Example LO 02 = 2 quarts
99
For high fluid level check of the transmission, “OL” will be displayed for oil level followed by what within the display to indicate fluid within proper zone?
HI
100
For high fluid level check of the transmission, when the display says “HI” a number will follow indicating what?
The number of quarts that transmission is overfilled above the full transmission level
Example: “01” = 1 quart
101
For invalid for display check of the transmission, when the display says “OL” followed by what symbol and numerical display is a fault code that indicates conditions are not proper to receive fluid level info or malfunction?
- -
102
For the fluid level code summary, what does it mean when you get a code that says “OL - - 0 X”?
Settling time too short
103
For the fluid level code summary, what does it mean when you get a code that says “OL - - 5 0”?
Engine speed (rpm) too low
104
For the fluid level code summary, what does it mean when you get a code that says “OL - - 5 9”?
Engine speed (rpm) too high
105
For the fluid level code summary, what does it mean when you get a code that says “OL - - 6 5”?
Neutral must be selected
106
For the fluid level code summary, what does it mean when you get a code that says “OL - - 7 0”?
Sump fluid temperature too low
107
For the fluid level code summary, what does it mean when you get a code that says “OL - - 7 9”?
Sump fluid temperature too high
108
For the fluid level code summary, what does it mean when you get a code that says “OL - - 8 9”?
Output shaft rotation
109
For the fluid level code summary, what does it mean when you get a code that says “OL - - 9 5”?
Sensor failure
110
According the 95/96 logbook, to exit the fluid display mode you press the display button the lever shift selector how many times or momentarily move the shift selector to any range and back to neutral?
Twice
111
According the 00-03 logbook, to exit the fluid display mode you press any what button on the push button shift selector?
Range
112
According the 06/09 logbook, to exit the fluid display mode you press the what button on the lever shift selector?
Display mode
113
If when checking the fluid level in the transmission there is no close correspondence between the digital read out and the dip stick, you should always refer to which one for accurate reading?
Dipstick
114
In order for the digital read out on the transmission lever or key pad to display fluid level readings, what 4 conditions must be met?
Temp above 140 below 220
Transmission in neutral
Apparatus stationary for 2 minutes to allow fluid to settle
Engine is at idle
115
At what temperature range can a fluid cold check be made?
60-120 degrees
116
Before starting the engine, pull the transmission dipstick and confirm that the transmission fluid level is near what mark?
HOT mark
117
To perform a cold check place start engine and run at idle (500-800 rpm), set parking break and wheel chicks, shift from drive to reverse to do what?
Clear air from hydraulic circuit
118
When performing a cold check, after clearing the air from the hydraulic circuit and placed in neutral, check the dipstick, if the fluid level is within this band the level is satisfactory?
COLD RUN band
119
When performing a cold check, if fluid not within COLD RUN band, what should you do to bring level within the band?
Add or drain fluid as necessary
120
You should perform a hot check at the first opportunity after normal operating temperature has reached what range?
160-200 degrees
121
According to the 2016 logbook, for the digital display, what does the select display (upper) indicate?
Highest available gear range
122
According to the 2016 logbook, for the digital display, what does the monitor display (lower) indicate?
Lowest available forward range
123
According to the 2016 logbook, if communication is not established with the TCM after initialization, both digital displays will display what indicating a selector fault has been recorded?
“Cat eyes”
124
According the 2016 logbook, if the select display (upper) shows R or D and the display is flashing, this indicates what function is preventing the range selection?
Inhibit
125
According to the 2016 logbook, an inhibit function does not indicate a fault or problem has occurred, it indicates what 3 vehicle condition is preventing the shift from occurring?
Interlock
High idle
Throttle speed
126
According to the 2016 logbook, when the service icon illuminates steady or flashing during normal operation, it means?
Service is due
127
According to the 2016 logbook, pressing the display mode/diagnostics button will display the what info in a sequence to cycle through what 5 positions?
```
Oil level
Oil monitor
Filter life monitor
Transmission health monitor
Diagnostic codes
```
128
According to the 2016 logbook, to exit diagnostic mode, you should do what with the transmission lever?
Shift into another range
129
According to the 2016 logbook, if a CHECK TRANS fault code is active, the transmission will not shift into range from what gear?
Neutral
130
According to the 2016 logbook, if a CHECK TRANS code is set while operating you should do what before shutting the engine down?
Move vehicle to safe location
131
According to the 2016 logbook, when a transmission related fault is recorded by the TCM, what conditions may occur?
Restricted/prevented shifts
CHECK TRANS illuminates in dash
Fault code is recorded
132
According to the 2016 logbook, do not idle in drive or reverse for longer than how many minutes because I could cause damage to transmission?
5 minutes
133
According to the 2016 logbook, most pierce custom chassis with Allison transmission will only start in what gear?
Neutral
134
According to the 2016 logbook, occasionally it may be desirable to manually select a lower range to suit what 3 conditions?
Load
Road conditions
Traffic conditions
135
According to the 2016 logbook, lower range gears provide what traveling downhill and what for steep grades or adverse road conditions?
Engine braking
| Max torque
136
According to the 2016 logbook, who will need to determine when a manual gear range selection is appropriate and safe?
The operator
137
According to the 2016 logbook, the transmission gauge does not indicate what temperature?
Sump
138
According to the 2016 logbook, the transmission temp gauge indicates what?
Temp of oil as it exits torque converter and before it enters transmission cooler
139
According to the 2016 logbook, if the sump fluid temperature reaches what degree the ECU will inhibit operation in higher ranges?
250 degrees
140
According to the 2016 logbook, fluid level reading may be delayed until what 4 conditions are met?
Engine idle (1000 rpm)
Fluid temperature 140-220
Trans in neutral
Apparatus stationary for 2 minutes to allow fluid to settle
141
According to the 2016 logbook, to enter oil life monitor press the display mode/diagnostic button how many times?
2
142
According to the 2016 logbook, the oil life status is in percentage, how do you reset the oil life monitor?
Hold mode button for 10 seconds
Or
Shift gear ranges: n-d-n-d-n-r-n, do not pause for more than 3 seconds between shifts
143
According to the 2016 logbook, press the display mode/diagnostic button how many times to access the filter life monitor?
3
144
According to the 2016 logbook, how do you rest the filter life monitor?
Press and hold mode for 10 seconds
Or
Shift gear ranges: n-r-n-r-n-d-n, do not pause for more than 3 seconds between shifts
145
According to the 2016 logbook, press the display mode/diagnostics button how many times for the transmission health monitor?
4
147
According to the 2016 logbook, if the transmission health monitor displays “LO”, what required maintenance?
Clutch
148
According to the 2016 logbook, the transmission health monitor can only be reset using what?
Allison DOC factory scan tool
149
According to the 2016 logbook, what will set a diagnostic code when a malfunction of operating error or concern occurs?
Transmission control module (TCM)
150
According to the 2016 logbook, to access the diagnostics, press the display mode/diagnostics button how many times?
5
151
According to the 2016 logbook, what 3 ways allows you to exit the diagnostic mode?
Press diagnostic button momentarily until range display appears
Turn off ignition switch
Terminated after 10 minutes of inactivity
152
According to the 2016 logbook, if codes continue to be recorded (reoccur) you should have vehicle?
Serviced
153
According to the 2016 logbook, the presence of what mixtures in the transmission oil is detrimental to the reliability and durability of the internal parts?
Water and/or ethylene glycol coolant
154
According to the 2016 logbook, the water and/or ethylene glycol coolant mixture has a deteriorating effect on what components?
Rubber and gasket materials
| Bearings and gears
155
According to the 2016 logbook, frictional capacity of drive clutch plates can be greatly reduced as a result of what 3 things?
Surface film
Impregnation
Glycol
156
According to the 2016 logbook, how often should the transmission fluid be changed?
Every 12,000 miles
6 months
500 hours
157
According to the 2016 logbook, what are conditions that indicate water and/or glycol are in the transmission fluid?
Rust or pitted transmission parts
Oil spewing out of the breather
Oil in the radiator
Gaskets blistered or wrinkled in uncompressed areas
Oil color cloudy or gray, pink or strawberry
Steam from breather
158
According to the 2016 logbook, transmission health is displayed in which 2 displays?
OK or LO
